CDX Tasksheet Number	Tasksheet Shortname	Tasksheet
C001	Interpret engine concern.	Identify and interpret engine concern; determine necessary action.
C002	Research engine service information.	Research applicable vehicle and service information, such as internal engine operation, vehicle service history, service precautions, and technical service bulletins.
C003	Interpret engine & component ID numbers.	Locate and interpret vehicle engine and major component identification numbers (VIN, vehicle certification labels, and calibration decals).
C004	Locate fuel, oil, coolant, & other leaks.	Inspect engine assembly for fuel, oil, coolant, and other leaks; determine necessary action.
C005	Diagnose engine noises & vibrations.	Diagnose engine noises and vibrations; determine necessary action.
C006	Diagnose oil usage & exhaust color problems.	Diagnose the cause of excessive oil consumption, unusual engine exhaust color, odor, and sound; determine necessary action.
C007	Perform engine vacuum tests.	Perform engine vacuum tests; determine necessary action.
C008	Perform engine cylinder power balance test.	Perform engine cylinder power balance tests; determine necessary action.
C009*	Test cylinder compression.	Perform engine cylinder cranking compression tests; determine necessary action.
C010	Perform engine cylinder leakage test.	Perform engine cylinder leakage tests; determine necessary action.
C011*	Remove/reinstall engine - FWD OBDII vehicle.	Remove and reinstall engine in a late model front-wheel drive vehicle (OBD II or newer); reconnect all attaching components and restore the vehicle to running condition.
C012*	Remove/reinstall engine - RWD OBDII vehicle.	Remove and reinstall engine in a late model rear-wheel drive vehicle (OBD II or newer); reconnect all attaching components and restore the vehicle to running condition.
C013*	Remove & inspect cylinder head/s.	Remove cylinder head(s); Visually inspect cylinder head(s) for cracks; check gasket surface areas for warpage and leakage; check passage condition.
C014*	Install cylinder heads & gaskets.	Install cylinder heads and gaskets; tighten according to manufacturer’s specifications and procedures.
C015	Inspect valve springs.	Inspect engine valve springs for squareness and free height comparison; determine necessary action.
C016	Replace valve stem seals assembled engine.	Replace engine valve stem seals on an assembled engine; inspect valve spring retainers, locks, and valve grooves; determine necessary action.
C017	Inspect valve guides for wear.	Inspect engine valve guides for wear; check valve stem-to-guide clearance; determine necessary action.
C018	Inspect engine valves & valve seats.	Inspect engine valves and valve seats; determine necessary action.
C019	Check valve face-to-seat contact & runout.	Check engine valve face-to-seat contact and valve seat concentricity (runout); determine necessary action.
C020	Check valve spring & stem height.	Check engine valve spring assembled height and valve stem height; determine necessary action.
C021	Inspect valvetrain components for wear.	Inspect pushrods, rocker arms, rocker arm pivots and shafts for wear, bending, cracks, looseness, and blocked oil passages (orifices); determine necessary action.
C022	Inspect hydraulic and/or mechanical lifters.	Inspect engine hydraulic or mechanical lifters; determine necessary action.
C023	Adjust valves (mechanical or hydraulic lifters).	Adjust engine valves (mechanical or hydraulic lifters).
C024	Inspect camshaft drives for wear.	Inspect camshaft drives (including gear wear and backlash, sprocket and chain wear); determine necessary action.
C025	Inspect & replace timing belts & chains.	Inspect and replace timing belts (chains), overhead camdrive sprockets, and tensioners; check belt/chain tension; adjust as necessary.
C026	Inspect camshaft for runout & wear.	Inspect camshaft for runout, journal wear and lobe wear.
C027	Inspect camshaft bearing surface for wear.	Inspect camshaft bearing surface for wear, damage, out-of-round, and alignment; determine necessary action.
C028	Establish camshaft timing & indexing.	Establish camshaft(s) timing and cam sensor indexing according to manufacturer’s specifications and procedures.
C029	Disassemble block & clean for inspection.	Disassemble engine block; clean and prepare components for inspection and reassembly.
C030	Inspect engine block for cracks & warpage.	Inspect engine block for visible cracks, passage condition, core and gallery plug condition, and surface warpage; determine necessary action.
C031	Inspect & restore threads in engine blocks.	Inspect internal and external threads in engine blocks; restore as needed (includes installing thread inserts).
C032*	Inspect & measure cylinder walls/sleeves.	Inspect and measure engine cylinder walls/Sleeves for damage, wear, and ridges; determine necessary action.
C033	Deglaze & clean cylinder walls..	Deglaze and clean engine cylinder walls.
C034	Inspect & measure camshaft bearings.	Inspect and measure camshaft bearings for wear, damage, out-of-round, and alignment; determine necessary action.
C035	Inspect & measure crankshaft.	Inspect crankshaft for end play, straightness, journal damage, keyway damage, thrust flange and sealing surface condition, and visual surface cracks; check oil passage condition; measure journal wear; check crankshaft sensor reluctor ring (where applicable); determine necessary action.
C036*	Inspect & measure main & rod bearings.	Inspect (and measure) main and connecting rod bearings for damage and wear, (clearance and end play); determine necessary action (includes the proper selection of bearings).
C037*	Identify piston & bearing wear patterns.	Identify piston and bearing wear patterns that indicate connecting rod alignment and main bearing bore problems; (inspect rod alignment and bearing bore condition) and determine necessary action.
C038	Inspect & measure pistons.	Inspect and measure pistons; determine necessary action.
C039	Remove & replace piston pin.	Remove and replace piston pin.
C040	Inspect, measure, & install piston rings.	Inspect, measure, and install piston rings.
C041	Inspect etc shaft/s & support bearings.	Inspect engine auxiliary (balance, intermediate, idler, counterbalance or silencer) shaft(s); inspect shaft(s) and support bearings for damage and wear; determine necessary action; reinstall and time.
C042	Inspect or replace crankshaft vibration damper.	Inspect or replace crankshaft vibration damper (harmonic balancer).
C043	Assemble the engine with gaskets & seals.	Assemble the engine using gaskets, seals, and formed-in-place (tube-applied) sealants, thread sealers, etc. according to manufacturer’s specifications.
C044	Perform engine oil pressure tests.	Perform engine oil pressure tests; determine necessary action.
C045	Inspect oil pump, pressure relief, & pump drive.	Inspect engine oil pump gears or rotors, housing, pressure relief devices, and pump drive; perform necessary action.
C046	Perform cooling system, cap, & recovery tests.	Perform cooling system, cap, and recovery system tests (pressure, combustion leakage, and temperature); determine necessary action.
C047	Inspect, replace, & adjust engine drive belts.	Inspect, replace, and adjust engine drive belts, tensioners, and pulleys; check pulley and belt alignment.
C048	Inspect & replace cooling & heater hoses.	Inspect and replace engine cooling and heater system hoses.
C049*	Inspect, test, & replace thermostat & gasket.	Inspect, test, and replace thermostat (and housing) and gasket.
C050	Test coolant; flush & refill cooling system.	Test coolant; drain and recover coolant; flush and refill cooling system with recommended coolant; bleed air as required.
C051	Replace water pump.	Inspect, test, remove, and replace water pump.
C052	Remove & replace radiator.	Remove and replace radiator.
C053	Inspect etc. fans, fan clutch, shroud, dams.	Inspect, and test fans(s) (electrical or mechanical), fan clutch, fan shroud, and air dams.
C054	Inspect auxiliary engine oil coolers.	Inspect auxiliary engine oil coolers; determine necessary action.
C055	Inspect, test, & replace oil temp components.	Inspect, test, and replace engine oil temperature and pressure switches and sensors.
C056	Perform engine oil & filter change.	Perform engine oil and filter change.
C057	Interpret transmission/transaxle concern.	Identify and interpret transmission/transaxle concern; assure proper engine operation; determine necessary action.
C058*	Research transmission/transaxle service info.	Research applicable vehicle and service information, such as transmission/transaxle system operation, vehicle service history, service precautions, Fluid type and technical service bulletins.
C059	Interpret transmission/transaxle ID numbers.	Locate and interpret vehicle and major transmission/transaxle component identification numbers (VIN, vehicle certification labels, and calibration decals).
C060*	Diagnose transmission fluid loss & check level.	Diagnose transmission/transaxle fluid loss (usage), level, and condition concerns; determine necessary action. Diagnose fluid loss and condition concerns; check fluid  level on transmissions with and without dip-stick; determine necessary action
C061	Perform transmission/transaxle pressure tests.	Perform transmission/transaxle pressure tests; determine necessary action.
C062	Perform transmission/transaxle stall test.	Perform transmission/transaxle stall test; determine necessary action.
C063	Perform lock-up converter system test.	Perform lock-up converter system tests; determine necessary action.
C064	Diagnose transmission/transaxle vacuum control.	Diagnose transmission/transaxle (electronic), mechanical and (hydraulic), vacuum control system concerns; determine necessary action.
C065	Diagnose noise & vibration concerns.	Diagnose transmission/transaxle noise and vibration concerns; determine necessary action.
C066	Diagnose gear concerns using power flow.	Diagnose transmission/transaxle gear reduction/multiplication concerns using driving, driven, and held member (power flow) principles.
C067	Inspect & adjust TV linkages, cables, et al.	Inspect, adjust or replace throttle valve (TV) linkages or cables; manual shift linkages or cables; transmission range sensor; check gear select indicator (as applicable).
C068	Service transmission.	Service transmission; perform visual inspection; replace fluids and filters.
C069	Inspect etc. vacuum modulator, lines & hoses.	Inspect, adjust or replace transmission/transaxle (as applicable) vacuum modulator; inspect and repair or replace lines and hoses.
C070	Inspect, repair, & replace governor assembly.	Inspect, repair, and replace transmission/transaxle governor assembly.
C071	Inspect & replace external seals & gaskets.	Inspect and replace transmission/transaxle external seals and gaskets.
C072	Inspect extension housing, bushings & seals.	Inspect transmission/transaxle extension housing, bushings and seals; perform necessary action.
C073	Inspect, leak test, flush, & replace cooler etc.	Inspect, leak test, flush, and replace transmission/transaxle cooler, lines, and fittings.
C074	Inspect etc. speedometer drive components.	Inspect and replace speedometer drive gear, driven gear, vehicle speed sensor (VSS), and retainers.
C075	Diagnose electronic transmission control.	Diagnose electronic transmission control systems using a scan tool; determine necessary action.
C076	Inspect, replace, & align powertrain mounts.	Inspect, replace, and align powertrain mounts.
C077	Remove/reinstall auto transmission (RWD).	Remove and reinstall transmission and torque converter (rear-wheel drive).
C078	Remove/reinstall transaxle & torque converter.	Remove and reinstall transaxle and torque converter assembly.
C079	Disassemble transmission/transaxle.	Disassemble, clean, and inspect transmission/transaxle.
C080*	Inspect etc. transmission/transaxle valve body.	Inspect, measure, clean, and replace transmission/transaxle valve body (includes surfaces, (and) bores, springs, valves, sleeves, retainers, brackets, check-balls, screens, spacers, and gaskets).
C081	Inspect servo components.	Inspect transmission/transaxle servo bore, piston, seals, pin, spring, and retainers; determine necessary action.
C082	Inspect accumulator components.	Inspect transmission/transaxle accumulator bore, piston, seals, spring, and retainer; determine necessary action.
C083	Assemble transmission/transaxle.	Assemble transmission/transaxle.
C084	Inspect converter flex plate, pump drive, & seals.	Inspect converter flex plate, attaching parts, pilot, pump drive, and seal areas.
C085	Measure & check torque converter endplay.	Measure torque converter endplay and check for interference; check stator clutch.
C086	Inspect, measure, & reseal oil pump assembly.	Inspect, measure, and reseal transmission/transaxle oil pump assembly and components.
C087	Measure endplay or preload.	Measure transmission/transaxle endplay or preload; determine necessary action.
C088	Inspect etc. thrust washers & bearings.	Inspect, measure, and replace transmission/transaxle thrust washers and bearings.
C089	Inspect seal rings, grooves, & sealing surfaces.	Inspect transmission/transaxle oil delivery seal rings, ring grooves, and sealing surface areas.
C090	Inspect bushings.	Inspect transmission/transaxle bushings; determine necessary action.
C091	Inspect & measure planetary gear assembly.	Inspect and measure planetary gear assembly (includes sun, ring gear, thrust washers, planetary gears, and carrier assembly); determine necessary action.
C092	Inspect case bores, passages, bushings, vents.	Inspect transmission/transaxle case bores, passages, bushings, vents, and mating surfaces; determine necessary action.
C093	Inspect transaxle drive components.	Inspect transaxle drive, link chains, sprockets, gears, bearings, and bushings; perform necessary action.
C094	Inspect etc. transaxle final drive components.	Inspect, measure, repair, adjust or replace transaxle final drive components.
C095	Inspect & reinstall parking components.	Inspect and reinstall parking pawl, shaft, spring, and retainer; determine necessary action.
C096	Inspect clutch pack components.	Inspect transmission/transaxle clutch drum, piston, check-balls, springs, retainers, seals, and friction and pressure plates; determine necessary action.
C097	Measure clutch pack clearance.	Measure transmission/transaxle clutch pack clearance; determine necessary action.
C098*	Air test clutch & servo assemblies.	Air test the operation of transmission/transaxle clutch and servo assemblies.
C099	Inspect etc. one way clutch components.	Inspect transmission/transaxle roller and sprag clutch, races, rollers, sprags, springs, cages, and retainers; replace as needed.
C100	Inspect bands & drums.	Inspect transmission/transaxle bands and drums; determine necessary action.
C101	Identify & interpret drive train concern.	Identify and interpret drive train concern; determine necessary action.
C102*	Research drive train system service information.	Research applicable vehicle and service information, such as drive train system operation, Fluid type, vehicle service history, service precautions, and technical service bulletins.
C103	Locate drive train component ID numbers.	Locate and interpret vehicle and major drive train system component identification numbers (VIN, vehicle certification labels, calibration decals).
C104*	Diagnose drive train system fluid loss.	Diagnose drive train system fluid loss (usage), level, and condition concerns; determine necessary action.
C105	Drain & fill manual transmission & final drive.	Drain and fill manual transmission/transaxle and final drive unit.
C106	Diagnose clutch faults.	Diagnose clutch noise, binding, slippage, pulsation, and chatter; determine necessary action.
C107	Inspect clutch pedal linkage & components.	Inspect clutch pedal linkage, cables, automatic adjuster mechanisms, brackets, bushings, pivots, and springs; perform necessary action.
C108	Inspect hydraulic clutch operating system.	Inspect hydraulic clutch slave and master cylinders, lines, and hoses; determine necessary action.
C109	Inspect clutch release components.	Inspect clutch release (throw-out) bearing, lever, and pivot; determine necessary action.
C110	Inspect & replace clutch components.	Inspect and replace clutch pressure plate assembly and clutch disc.
C111	Bleed clutch hydraulic system.	Bleed clutch hydraulic system.
C112	Inspect etc. shaft pilot bearing or bushing.	Inspect, remove or replace primary shaft pilot bearing or bushing (as applicable).
C113	Inspect flywheel & ring gear.	Inspect flywheel and ring gear for wear and cracks, determine necessary action.
C114	Inspect bell housing mating surfaces.	Inspect engine block, clutch (bell) housing, transmission/transaxle case mating surfaces, and alignment dowels; determine necessary action.
C115	Measure flywheel runout & crankshaft endplay.	Measure flywheel runout and crankshaft endplay; determine necessary action.
C116	Remove/reinstall manual transmission.	Remove and reinstall manual transmission/transaxle.
C117	Disassemble etc. transmission components.	Disassemble, clean, and reassemble manual transmission/transaxle components.
C118	Inspect extension housing & mating surfaces.	Inspect manual transmission/transaxle case, extension housing, case mating surfaces, bores, bushings, and vents; perform necessary action.
C119	Diagnose manual transmission concerns.	Diagnose manual transmission noise, hard shifting, jumping out of gear, and fluid leakage concerns; determine necessary action.
C120	Inspect etc. shift linkages & components.	Inspect, adjust, and reinstall manual transmission shift linkages, brackets, bushings, cables, pivots, and levers.
C121	Inspect & reinstall powertrain mounts.	Inspect and reinstall manual transmission powertrain mounts.
C122	Inspect etc.gaskets, seals, & sealing surfaces.	Inspect and replace manual transmission gaskets, seals, and sealants; inspect sealing surfaces.
C123	Remove/replace manual gearbox final drive.	Remove and replace manual transmission transaxle final drive.
C124	Inspect etc.gear shift components.	Inspect, adjust, and reinstall manual transmission shift cover, forks, levers, grommets, shafts, sleeves, detent mechanism, interlocks, and springs.
C125	Measure transmission shafts endplay & preload.	Measure manual transmission endplay or preload (shim or spacer selection procedure) on transmission/transaxle shafts; perform necessary action.
C126	Inspect etc. synchronizer hub components.	Inspect and reinstall manual transmission synchronizer hub, sleeve, keys (inserts), springs, and blocking rings.
C127	Inspect etc. speedometer drive components.	Inspect and reinstall manual transmission speedometer drive gear, driven gear, vehicle speed sensor (VSS), and retainers.
C128	Diagnose final drive noises & vibration.	Diagnose manual transaxle final drive assembly noise and vibration concerns; determine necessary action.
C129	Remove etc. final drive components.	Remove, inspect, measure, adjust, and reinstall manual transaxle final drive pinion gears (spiders), shaft, side gears, side bearings, thrust washers, and case assembly.
C130	Inspect transmission oil pump or slingers.	Inspect manual transmission lubrication devices (oil pump or slingers); perform necessary action.
C131	Inspect, test, & replace sensors & switches.	Inspect, test, and replace manual transmission/transaxle sensors and switches.
C132	Diagnose CV joint noises & vibration.	Diagnose constant-velocity (CV) joint noise and vibration concerns; determine necessary action.
C133	Diagnose universal joint noises & vibration.	Diagnose universal joint noise and vibration concerns; perform necessary action.
C134*	Remove & replace FWD wheel bearing.	Remove and replace front wheel drive (FWD) front wheel bearing.
C135	Inspect etc. drive shafts & CV joints.	Inspect, service, and replace drive shafts, yokes, boots, and CV joints.
C136	Inspect etc. prop shaft center support bearings.	Inspect, service, and replace propellor shaft center support bearings.
C137*	Check & measure prop shaft balance etc.	Check propellor shaft balance and phasing; measure shaft runout; measure and adjust driveline angles.
C138	Diagnose live axle noises & vibration.	Diagnose live axle noise and vibration concerns; determine necessary action.
C139	Diagnose live axle fluid leakage.	Diagnose live axle fluid leakage concerns; determine necessary action.
C140	Inspect etc. live axle flange & pinion seal.	Inspect and replace live axle companion flange and pinion seal; measure companion flange runout.
C141	Inspect final drive ring gear & measure runout.	Inspect final drive ring gear and measure runout; determine necessary action.
C142	Remove etc. final drive pinion & ring gear.	Remove, inspect, and reinstall final drive pinion and ring gear, spacers, sleeves, and bearings.
C143	Measure & adjust final drive pinion depth.	Measure and adjust final drive pinion depth.
C144	Measure etc. final drive pinion bearing preload.	Measure and adjust final drive pinion bearing preload.
C145	Measure etc. diff assembly preload & backlash.	Measure and adjust side bearing preload and ring and pinion gear total backlash and backlash variation on a differential carrier assembly (threaded cup or shim types).
C146	Check final drive tooth contact patterns.	Check final drive ring and pinion tooth contact patterns; perform necessary action.
C147	Inspect etc. differential pinion gears.	Disassemble, inspect, measure, and adjust or replace differential pinion gears (spiders), shaft, side gears, side bearings, thrust washers, and case.
C148	Reassemble/reinstall diff. case assembly.	Reassemble and reinstall differential case assembly; measure runout; determine necessary action.
C149	Diagnose limited slip differential.	Diagnose limited slip differential noise, slippage, and chatter concerns; determine necessary action.
C150*	Clean & inspect limited slip differential unit.	Clean and Inspect limited slip differential unit (and flush) differential housing; refill with correct lubricant.
C151	Inspect/reinstall differential clutch components.	Inspect and reinstall limited slip differential clutch (cone or plate) components.
C152	Measure limited slip differential rotating torque.	Measure limited slip differential rotating torque; determine necessary action.
C153	Diagnose drive axle shafts & bearings.	Diagnose drive axle shafts, bearings, and seals for noise, vibration, and fluid leakage concerns; determine necessary action.
C154	Inspect & replace drive axle shaft wheel studs.	Inspect and replace drive axle shaft wheel studs.
C155	Remove & replace drive axle shafts.	Remove and replace drive axle shafts.
C156	Inspect etc. drive axle shaft seals & bearings.	Inspect and replace drive axle shaft seals, bearings, and retainers.
C157	Measure drive axle runout & endplay.	Measure drive axle flange runout and shaft endplay; determine necessary action.
C158	Diagnose FWD/AWD unusual steering.	Diagnose FWD & AWD noise, vibration, and unusual steering concerns; determine necessary action.
C159	Inspect etc. FWD/AWD shifting controls.	Inspect, adjust, and repair FWD & AWD shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets.
C160	Remove/reinstall FWD/AWD transfer case.	Remove and reinstall FWD & AWD transfer case.
C161	Service FWD/AWD transfer case.	Disassemble, service, and reassemble FWD & AWD transfer case and components.
C162	Inspect FWD front-wheel bearings & hubs.	Inspect FWD front-wheel bearings and locking hubs; perform necessary action.
C163	Check FWD/AWD drive assembly.	Check FWD & AWD drive assembly seals and vents; check lube level.
C164	Adjust etc. FWD/AWD elect. components.	Diagnose test, adjust, and replace FWD & AWD electrical/electronic components of four-wheel drive systems.
C165	Diagnose suspension & steering.	Identify and interpret suspension and steering concern; determine necessary action.
C166	Research S & S service information.	Research applicable vehicle and service information, such as suspension and steering system operation, vehicle service history, service precautions, and technical service bulletins.
C167	Interpret S & S component ID numbers.	Locate and interpret vehicle and major suspension and steering component identification numbers (VIN, vehicle certification labels, calibration decals).
C168	Disable/enable SRS system.	Disable and enable supplemental restraint system (SRS).
C169	Remove steering wheel; center/time SRS coil.	Remove and replace steering wheel; center/time supplemental restraint system (SRS) coil (clock spring).
C170	Diagnose steering column.	Diagnose steering column noises, looseness, and binding concerns (including tilt mechanisms); determine necessary action.
C171*	Diagnose non-rack & pinion power steering.	Diagnose power steering gear (non-rack and pinion) binding, uneven turning effort, looseness, hard steering, noise and fluid leakage concerns; determine necessary action.
C172	Diagnose rack & pinion power steering.	Diagnose power steering gear (rack and pinion) binding, uneven turning effort, looseness, hard steering, and fluid leakage concerns; determine necessary action.
C173	Inspect steering joints, column, lock, etc.	Inspect steering shaft universal-joint(s), flexible coupling(s), collapsible column, lock cylinder mechanism, and steering wheel; perform necessary action.
C174	Adjust worm bearing preload & sector lash.	Adjust manual or power non-rack and pinion worm bearing preload and sector lash.
C175	Remove & replace rack & pinion steering gear.	Remove and replace manual or power rack and pinion steering gear; inspect mounting bushings and brackets.
C176	Inspect etc. rack & pinion steering gear.	Inspect and replace manual or power rack and pinion steering gear inner tie rod ends (sockets) and bellows boots.
C177*	Determine power steering fluid type & level.	(Inspect power steering fluid levels and condition.) Determine proper power steering fluid type; inspect fluid level and condition.
C178	Flush, fill, & bleed power steering system.	Flush, fill, and bleed power steering system.
C179	Diagnose power steering fluid leakage.	Diagnose power steering fluid leakage; determine necessary action.
C180	Remove etc. power steering pump belt.	Remove, inspect, replace, and adjust power steering pump belt.
C181	Remove etc. power steering pump.	Remove and reinstall power steering pump.
C182	Remove etc. power steering pump pulley.	Remove and reinstall power steering pump pulley; check pulley and belt alignment.
C183	Inspect etc. power steering hoses & fittings	Inspect and replace power steering hoses and fittings.
C184	Inspect etc. pitman arm, rods, et al.	Inspect and replace pitman arm, relay (centerlink/intermediate) rod, idler arm and mountings, and steering linkage damper.
C185	Inspect etc. tie rod ends, sleeves, & clamps.	Inspect, replace, and adjust tie rod ends (sockets), tie rod sleeves, and clamps.
C186	Diagnose steering systems using scan tool.	Test and diagnose components of electronically controlled steering systems using a scan tool; determine necessary action.
C187	Diagnose short/long arm suspension systems.	Diagnose short and long arm suspension system noises, body sway, and uneven riding height concerns; determine necessary action.
C188	Diagnose strut suspension systems.	Diagnose strut suspension system noises, body sway, and uneven riding height concerns; determine necessary action.
C189	Remove etc. upper & lower control arms.	Remove, inspect, and install suspension upper and lower control arms, bushings, shafts, and rebound bumpers.
C190	Remove etc. suspension strut rods.	Remove, inspect and install suspension strut rods (compression/tension) and bushings.
C191	Remove etc. suspension ball joints.	Remove, inspect, and install suspension upper and/or lower ball joints.
C192	Remove etc. steering knuckle assemblies.	Remove, inspect, and install steering knuckle assemblies.
C193	Remove etc. short/long arm coil springs.	Remove, inspect, and install short and long arm suspension system coil springs and spring insulators.
C194	Remove etc. torsion bars & mounts.	Remove, inspect, install, and adjust suspension system torsion bars; inspect mounts.
C195	Remove etc. stabilizer bar bushings, etc.	Remove, inspect, and install suspension stabilizer bar bushings, brackets, and links.
C196	Remove etc. strut cartridge & bearing mount.	Remove, inspect, and install suspension strut cartridge or assembly, strut coil spring, insulators (silencers), and upper strut bearing mount.
C197	Lubricate suspension & steering systems.	Lubricate suspension and steering systems.
C198	Remove etc. coil springs & spring insulators.	Remove, inspect, and install suspension coil springs and spring insulators.
C199	Remove etc. transverse links, etc.	Remove, inspect, and install suspension transverse links, control arms, bushings, and mounts.
C200	Remove etc. leaf springs, etc.	Remove, inspect, and install suspension leaf springs, leaf spring insulators (silencers), shackles, brackets, bushings, and mounts.
C201	Remove etc. strut cartridge, etc.	Remove, inspect, and install suspension strut cartridge or assembly, strut coil spring, and insulators (silencers).
C202	Inspect, remove, & replace shock absorbers.	Inspect, remove, and replace shock absorbers.
C203	Service or replace front/rear wheel bearings.	Remove, inspect, and service or replace front and rear wheel bearings.
C204	Diagnose suspension systems using scan tool.	Test and diagnose components of electronically controlled suspension systems using a scan tool; determine necessary action.
C205	Differentiate steering & suspension concerns.	Differentiate between steering and suspension concerns using principles of steering geometry (caster, camber, toe, etc).
C206	Diagnose vehicle wander & steering return.	Diagnose vehicle wander, drift, pull, hard steering, bump steer, memory steer, torque steer, and steering return concerns; determine necessary action.
C207	Perform prealignment inspection.	Perform prealignment inspection; perform necessary action.
C208	Measure vehicle riding height.	Measure vehicle riding height; determine necessary action.
C209	Check & adjust front & rear wheel camber.	Check and adjust front and rear wheel camber; perform necessary action.
C210	Check & adjust caster.	Check and adjust caster; perform necessary action.
C211*	Check & adjust front wheel toe.	Check and adjust front wheel toe and center steering wheel; (adjust as needed).
C212	Center steering wheel.	Center steering wheel.
C213	Check toe-out-on-turns.	Check toe-out-on-turns (turning radius); determine necessary action.
C214	Check steering SAI & included angle.	Check SAI (steering axis inclination) and included angle; determine necessary action.
C215	Check & adjust rear wheel toe.	Check and adjust rear wheel toe.
C216	Check rear wheel thrust angle.	Check rear wheel thrust angle; determine necessary action.
C217	Check for front wheel setback.	Check for front wheel setback; determine necessary action.
C218	Check front cradle alignment.	Check front cradle (subframe) alignment; determine necessary action.
C219	Diagnose tire wear patterns.	Diagnose tire wear patterns; determine necessary action.
C220	Inspect tires; check & adjust air pressure.	Inspect tires; check and adjust air pressure.
C221	Diagnose wheel/tire vibrations, etc.	Diagnose wheel/tire vibrations, shimmy, and noise; determine necessary action.
C222	Rotate tires.	Rotate tires according to manufacturer’s recommendations.
C223	Measure wheel, tire, axle, & hub runout.	Measure wheel, tire, axle, and hub runout; determine necessary action.
C224	Diagnose tire pull problem.	Diagnose tire pull (lead) problem; determine necessary action.
C225	Balance wheel & tire assembly.	Balance wheel and tire assembly (static and dynamic).
C226*	Dismount, inspect, repair, & remount tire.	Dismount, inspect, (repair,) and remount tire on wheel.
C227	Reinstall wheel; torque lug nuts.	Reinstall wheel; torque lug nuts.
C228	Inspect & repair tire.	Inspect and repair tire.
C229	Identify & interpret brake system concern.	Identify and interpret brake system concern; determine necessary action.
C230	Research brake service information.	Research applicable vehicle and service information, such as brake system operation, vehicle service history, service precautions, and technical service bulletins.
C231	Interpret brake system ID numbers.	Locate and interpret vehicle and major brake system component identification numbers (VIN, vehicle certification labels, calibration decals).
C232	Diagnose brake system pressure.	Diagnose pressure concerns in the brake system using hydraulic principles (Paschal’s Law).
C233	Measure brake pedal height.	Measure brake pedal height; determine necessary action.
C234	Check master cylinder.	Check master cylinder for internal and external leaks and proper operation; determine necessary action.
C235	Remove etc.& bleed master cylinder.	Remove, bench bleed, and reinstall master cylinder.
C236	Diagnose hydraulic system.	Diagnose poor stopping, pulling or dragging concerns caused by malfunctions in the hydraulic system; determine necessary action.
C237	Inspect brake lines & flexible hoses.	Inspect brake lines, flexible hoses, and fittings for leaks, dents, kinks, rust, cracks, bulging or wear; tighten loose fittings and supports; determine necessary action.
C238	Fabricate and/or install brake lines.	Fabricate and/or install brake lines (double flare and ISO types); replace hoses, fittings, and supports as needed.
C239	Select, handle, store, & fill brake fluid.	Select, handle, store, and fill brake fluids to proper level.
C240	Inspect etc. brake system valves.	Inspect, test, and/or replace brake system metering (hold-off), proportioning (balance), pressure differential, and combination valves.
C241	Inspect etc. load sensing valve.	Inspect, test, and adjust height (load) sensing proportioning valve.
C242	Inspect etc. brake warning lights.	Inspect, test, and/or replace components of brake warning light system.
C243	Bleed brake system.	Bleed (manual, pressure, vacuum or surge) brake system.
C244	Flush hydraulic  brake system.	Flush hydraulic  brake system.
C245*	Diagnose drum brakes.	Diagnose poor stopping, noise, vibration, pulling, grabbing, dragging or pedal pulsation concerns in drum brakes; determine necessary action.
C246	Remove etc. & measure brake drums.	Remove, clean (using proper safety procedures), inspect, and measure brake drums; determine necessary action.
C247	Refinish brake drum.	Refinish brake drum.
C248	Remove etc. drum brake components.	Remove, clean, and inspect brake shoes, springs, pins, clips, levers, adjusters/self-adjusters, other related brake hardware, and backing support plates; lubricate and reassemble.
C249	Remove/install wheel cylinders.	Remove, inspect, and install drum brake wheel cylinders.
C250	Pre-adjust brake shoes & parking brake.	Pre-adjust brake shoes and parking brake before installing brake drums or drum/hub assemblies and wheel bearings.
C251	Install wheel & torque lug nuts.	Install wheel, torque lug nuts, and make final checks and adjustments.
C252*	Diagnose concerns in disc brakes.	Diagnose poor stopping, noise, vibration, pulling, grabbing, dragging or pedal pulsation concerns in disc brakes; determine necessary action.
C253	Remove etc. brake caliper assembly.	Remove brake caliper assembly from mountings; clean and inspect for leaks and damage to caliper housing; determine necessary action.
C254	Clean etc. brake caliper mounting & slides.	Clean and inspect brake caliper mounting and slides for wear and damage; determine necessary action.
C255	Remove etc. disc brake pad.	Remove, clean, and inspect disc brake pads and retaining hardware; determine necessary action.
C256	Disassemble disc brake caliper assembly.	Disassemble and clean disc brake caliper assembly; inspect parts for wear, rust, scoring, and damage; replace seal, boot, and damaged or worn parts.
C257	Reassemble & reinstall brake calipers.	Reassemble, lubricate, and reinstall brake caliper, pads, and related hardware; seat pads, and inspect for leaks.
C258	Inspect etc.disc brake rotor.	Clean, inspect, and measure disc brake rotor with a dial indicator and a micrometer; follow manufacturer’s recommendations in determining need to machine or replace.
C259	Remove & reinstall disc brake rotor.	Remove and reinstall disc brake rotor.
C260	Refinish disc brake rotor.	Refinish disc brake rotor (according to manufacturer’s recommendations).
C261	Adjust calipers with parking brake.	Adjust disc brake calipers equipped with an integrated parking brake system.
C262	Install wheel & torque lug nuts.	Install wheel, torque lug nuts, and make final checks and adjustments.
C263	Test brake pedal travel & power assist.	Test brake pedal free travel with and without engine running; check power assist operation.
C264	Check brake vacuum supply.	Check brake vacuum supply (manifold or auxiliary pump) to vacuum-type power booster.
C265	Inspect brake power booster unit & valve.	Inspect the vacuum-type brake power booster unit for vacuum leaks; inspect the check valve for proper operation; determine necessary action.
C266	Test brake hydro-boost system.	Inspect and test brake hydro-boost system and accumulator for leaks and proper operation; determine necessary action.
C267	Diagnose wheel bearings.	Diagnose wheel bearing noises, wheel shimmy, and vibration concerns; determine necessary action.
C268	Service wheel bearings & seals.	Remove, clean, inspect, repack, and install wheel bearings and replace seals; install hub and adjust wheel bearings.
C269	Check park brake cables & components.	Check parking brake cables and components for wear, rusting, binding, and corrosion; clean, lubricate, or replace as needed.
C270	Check park brake operation.	Check parking brake operation; determine necessary action.
C271	Check park brake indicator light.	Check operation of parking brake indicator light system.
C272	Check brake stop light system.	Check operation of brake stop light system; determine necessary action.
C273	Replace wheel bearing & race.	Replace wheel bearing and race.
C274	Inspect & replace wheel studs.	Inspect and replace wheel studs.
C275	Remove/install sealed wheel bearing assembly.	Remove and reinstall sealed wheel bearing assembly.
C276	Identify & inspect ABS components.	Identify and inspect antilock brake system (ABS) components; determine necessary action.
C277	Diagnose ABS system functions.	Diagnose poor stopping, wheel lock-up, abnormal pedal feel or pulsation, and noise concerns caused by the antilock brake system (ABS); determine necessary action.
C278	Diagnose ABS electronic controls.	Diagnose antilock brake system (ABS) electronic control(s) and components using self-diagnosis and/or recommended test equipment; determine necessary action.
C279	Depressurize the ABS system.	Depressurized high-pressure components of the antilock brake system (ABS).
C280	Bleed ABS front & rear hydraulic circuits.	Bleed the antilock brake system’s (ABS) front and rear hydraulic circuits.
C281	Remove/install ABS electrics & hydraulic.	Remove and install antilock brake system (ABS) electrical/electronic and hydraulic components.
C282	Test & service ABS speed sensors.	Test, diagnose and service ABS speed sensors, toothed ring (tone wheel), and circuits using a graphing multimeter (GMM)/digital storage oscilloscope (DSO) (includes output signal, resistance, shorts to voltage/ground, and frequency data).
C283	Diagnose modified vehicle ABS system.	Diagnose antilock brake system (ABS) braking concerns caused by vehicle modifications (tire size, curb height, final drive ratio, etc.).
C284*	Identify traction control system components.	Identify traction control/vehicle stabiltiy control system components.
C285	Identify & interpret electrics concern.	Identify and interpret electrical/electronic system concern; determine necessary action.
C286	Research electrics service information.	Research applicable vehicle and service information, such as electrical/electronic system operation, vehicle service history, service precautions, and technical service bulletins.
C287	Interpret electrics component IDs.	Locate and interpret vehicle and major electrical/electronic component identification numbers (VIN, vehicle certification labels, and calibration decals).
C288*	Diagnose electrics circuit integrity.	Diagnose electrical/electronic integrity of (for) series, parallel and series-parallel circuits using principles of electricity (Ohm’s Law).
C289	Use wiring diagrams during diagnosis.	Use wiring diagrams during diagnosis of electrical circuit problems.
C290	Demonstrate DMM/DVOM proper use.	Demonstrate the proper use of a digital multimeter (DMM) during diagnosis of electrical circuit problems.
C291	Check electrical circuits with a test light.	Check electrical circuits with a test light; determine necessary action.
C292	Measure circuits using a voltmeter.	Measure source voltage and perform voltage drop tests in electrical/electronic circuits using a voltmeter; determine necessary action.
C293	Measure current flow using an ammeter.	Measure current flow in electrical/electronic circuits and components using an ammeter; determine necessary action.
C294	Check continuity/resistance with ohmmeter.	Check continuity and measure resistance in electrical/electronic circuits and components using an ohmmeter; determine necessary action.
C295	Check electrical circuits using jumper wires.	Check electrical circuits using fused jumper wires; determine necessary action.
C296	Locate electrics circuit problems.	Locate shorts, grounds, opens, and resistance problems in electrical/electronic circuits; determine necessary action.
C297	Diagnose & measure parasitic draw.	Measure and diagnose the cause(s) of excessive key-off battery drain (parasitic draw); determine necessary action.
C298	Test fusible links, circuit breakers, & fuses.	Inspect and test fusible links, circuit breakers, and fuses; determine necessary action.
C299*	Test switches, connectors, wires, etc.	Inspect and test switches, connectors, relays, solenoid solid state devices, and wires of electrical/electronic circuits; perform necessary action.
C300	Repair wiring harnesses & connectors.	Repair wiring harnesses and connectors.
C301	Perform solder repair of electrical wiring.	Perform solder repair of electrical wiring.
C302	Perform battery state-of-charge test.	Perform battery state-of-charge test; determine necessary action.
C303	Perform battery capacity test.	Perform battery capacity test; confirm proper battery capacity for vehicle application; determine necessary action.
C304	Maintain or restore electronic memory.	Maintain or restore electronic memory functions.
C305	Inspect, clean, fill, & replace battery.	Inspect, clean, fill, and replace battery.
C306	Perform slow/fast battery charge.	Perform slow/fast battery charge.
C307	Inspect etc battery components.	Inspect and clean battery cables, connectors, clamps, and hold-downs; repair or replace as needed.
C308	Start a vehicle using jumper cables.	Start a vehicle using jumper cables and a battery or auxiliary power supply.
C309	Perform starter current draw tests.	Perform starter current draw tests; determine necessary action.
C310	Perform starter circuit voltage drop tests.	Perform starter circuit voltage drop tests; determine necessary action.
C311	Inspect & test starter relays & solenoids.	Inspect and test starter relays and solenoids; determine necessary action.
C312	Remove & install starter in a vehicle.	Remove and install starter in a vehicle.
C313	Inspect & test starter control circuits.	Inspect and test switches, connectors, and wires of starter control circuits; perform necessary action.
C314	Diagnose slow-crank/no-crank problems.	Differentiate between electrical and engine mechanical problems that cause a slow-crank or no-crank condition.
C315	Perform charging system output test.	Perform charging system output test; determine necessary action.
C316	Diagnose charging system.	Diagnose charging system for the cause of undercharge, no-charge, and overcharge conditions.
C317	Inspect etc. drive belts & pulleys.	Inspect, adjust, or replace generator (alternator) drive belts, pulleys, and tensioners; check pulley and belt alignment.
C318	Remove, inspect, & install generator.	Remove, inspect, and install generator (alternator).
C319	Perform charging circuit voltage drop tests.	Perform charging circuit voltage drop tests; determine necessary action.
C320	Diagnose lighting system.	Diagnose the cause of brighter than normal, intermittent, dim, or no light operation; determine necessary action.
C321	Inspect, replace, & aim headlights & bulbs.	Inspect, replace, and aim headlights and bulbs.
C322	Diagnose turn signal or hazard lights.	Inspect and diagnose incorrect turn signal or hazard light operation; perform necessary action
C323	Test gauges & gauge sending units.	Inspect and test gauges and gauge sending units for cause of intermittent, high, low, or no gauge readings; determine necessary action.
C324	Inspect etc. gauge circuit components.	Inspect and test connectors, wires, and printed circuit boards of gauge circuits; determine necessary action.
C325	Diagnose warning devices.	Diagnose the cause of incorrect operation of warning devices and other driver information systems; determine necessary action.
C326*	Test instrument circuit components.	Inspect and test sensors, connectors, and wires of electronic (digital) instrument circuits; determine necessary action.
C327	Diagnose horn.	Diagnose incorrect horn operation; perform necessary action.
C328	Diagnose wiper.	Diagnose incorrect wiper operation; diagnose wiper speed control and park problems; perform necessary action.
C329	Diagnose washer.	Diagnose incorrect washer operation; perform necessary action.
C330	Diagnose motor-driven accessories.	Diagnose incorrect operation of motor-driven accessory circuits; determine necessary action.
C331	Diagnose heated glass.	Diagnose incorrect heated glass operation; determine necessary action.
C332	Diagnose electric lock.	Diagnose incorrect electric lock operation; determine necessary action.
C333	Diagnose cruise control systems.	Diagnose incorrect operation of cruise control systems; determine necessary action.
C334	Diagnose SRS system.	Diagnose supplemental restraint system (SRS) concerns; determine necessary action. (Note: Follow manufacturer’s safety procedures to prevent accidental deployment.)
C335	Disarm & enable the airbag system.	Disarm and enable the airbag system for vehicle service.
C336	Diagnose radio static & reception.	Diagnose radio static and weak, intermittent, or no radio reception; determine necessary action.
C337	Remove & reinstall door panel.	Remove and reinstall door panel.
C338	Diagnose body system circuits.	Diagnose body electronic system circuits using a scan tool; determine necessary action.
C339*	Check for CAN/BUS errors.	Check for module communication (CAN/BUS) errors using a scan tool.
C340	Diagnose anti-theft system.	Diagnose the cause of false, intermittent, or no operation of anti-theft system.
C341	Identify & interpret HVAC system.	Identify and interpret heating and air conditioning concern; determine necessary action.
C342	Research HVAC system service info.	Research applicable vehicle and service information, such as heating and air conditioning system operation, vehicle service history, service precautions, and technical service bulletins.
C343	Interpret HVAC system component IDs.	Locate and interpret vehicle and major heating and air conditioning system component identification numbers (VIN, vehicle certification labels, calibration decals).
C344	Diagnose aircon system refrigeration.	Performance test A/C system; diagnose A/C system malfunctions using principles of refrigeration.
C345	Diagnose aircon system noise.	Diagnose abnormal operating noises in the A/C system; determine necessary action.
C346*	Identify aircon refrigerant type.	Identify refrigerant type;conduct a performance test of the A/C system; determine necessary action.
C347	Leak test aircon system.	Leak test A/C system; determine necessary action.
C348	Inspect the condition of discharged oil.	Inspect the condition of discharged oil; determine necessary action.
C349	Determine HVAC recommended oil.	Determine recommended oil for heating and air conditioning system application.
C350	Diagnose aircon protection devices.	Diagnose A/C system conditions that cause the protection devices (pressure, thermal, and PCM) to interrupt system operation; determine necessary action.
C351*	Inspect etc. aircon compressor drive belts.	Inspect and replace A/C compressor drive belts; determine necessary action.
C352	Inspect etc. aircon clutch components.	Inspect, test, and/or replace A/C compressor clutch components and/or assembly.
C353*	Remove/install aircon compressor.	Remove, inspect and reinstall A/C compressor and mountings; determine (measure) oil quantity (determine necessary action).
C354	Determine need for extra aircon filter.	Determine need for an additional A/C system filter; perform necessary action.
C355	Remove etc. aircon system components.	Remove and inspect A/C system mufflers, hoses, lines, fittings, O-rings, seals, and service valves; perform necessary action.
C356	Inspect aircon condenser airflow.	Inspect A/C condenser for airflow restrictions; perform necessary action.
C357*	Remove etc. HVAC receiver/drier.	Remove, inspect and reinstall heating and air conditioning system receiver/drier or accumulator/drier, determine (measure) oil quantity (determine necessary action).
C358	Remove etc. HVAC TX valve or orifice tube.	Remove and install heating and air conditioning system expansion valve or orifice (expansion) tube.
C359	Inspect HVAC evaporator water drain.	Inspect heating and air conditioning system evaporator housing water drain; perform necessary action.
C360*	Remove/install HVAC system evaporator.	Remove, inspect and reinstall heating and air conditioning system evaporator; determine required (measure) oil quantity (determine necessary action).
C361*	Remove/install HVAC system condenser.	Remove, inspect and reinstall heating and air conditioning system condenser; determine required (measure) oil quantity (determine necessary action).
C362	Diagnose HVAC temperature control.	Diagnose temperature control problems in the heater/ventilation system; determine necessary action.
C363	Perform cooling system, cap, & recovery tests.	Perform cooling system, cap, and recovery system tests (pressure, combustion leakage, and temperature); determine necessary action.
C364	Inspect cooling/heater system hoses & belts.	Inspect engine cooling and heater system hoses and belts; perform necessary action.
C365*	Inspect, test, & replace thermostat.	Inspect, test, and replace thermostat and gasket (housing).
C366	Determine coolant condition & type.	Determine coolant condition and coolant type for vehicle application; drain and recover coolant.
C367	Flush and refill cooling system.	Flush system; refill system with recommended coolant; bleed system.
C368	Inspect etc. fans, fan clutch, shroud, dams.	Inspect and test cooling fan, fan clutch, fan shroud, and air dams; perform necessary action.
C369	Inspect etc. electric cooling fan & circuits.	Inspect and test electric cooling fan, fan control system and circuits; determine necessary action.
C370	Inspect & test heater control valve/s.	Inspect and test heater control valve(s); perform necessary action.
C371*	Remove, inspect & reinstall heater core.	Remove, inspect and reinstall heater core.
C372	Diagnose HVAC electrical controls.	Diagnose malfunctions in the electrical controls of heating, ventilation, and A/C (HVAC) systems; determine necessary action.
C373	Inspect etc. aircon components.	Inspect and test A/C-heater blower, motors, resistors, switches, relays, wiring, and protection devices; perform necessary action.
C374	Test etc. aircon clutch control system.	Test and diagnose A/C compressor clutch control systems; determine necessary action.
C375*	Diagnose HVAC mechanical controls.	Diagnose malfunctions in the vacuum, mechanical components and electrical controls of the heating, ventilation, and A/C (HVAC) system; determine necessary action.
C376	Inspect etc. HVAC control panel assembly.	Inspect and test A/C-heater control panel assembly; determine necessary action.
C377*	Inspect etc. HVAC control cables & motors.	Inspect and test A/C-heater control cables, motors and linkages; perform necessary action.
C378	Inspect HVAC ducts, doors, hoses & filters.	Inspect A/C-heater ducts, doors, hoses, cabin filters and outlets; perform necessary action.
C379	Check auto & semi-auto HVAC control systems.	Check operation of automatic and semi-automatic heating, ventilation, and air-conditioning (HVAC) control systems; determine necessary action.
C380	Use & maintain refrigerant handling equipment.	Perform correct use and maintenance of refrigerant handling equipment.
C381	Identify & recover aircon system refrigerant.	Identify (by label application or use of a refrigerant identifier) and recover A/C system refrigerant.
C382	Recycle refrigerant.	Recycle refrigerant.
C383	Label & store refrigerant.	Label and store refrigerant.
C384	Test recycled refrigerant.	Test recycled refrigerant for non-condensable gases.
C385	Evacuate & charge aircon system.	Evacuate and charge A/C system.
C386	Identify etc. engine performance concern.	Identify and interpret engine performance concern; determine necessary action.
C387	Research vehicle & service information.	Research applicable vehicle and service information, such as engine management system operation, vehicle service history, service precautions, and technical service bulletins.
C388	Interpret VIN & component ID numbers.	Locate and interpret vehicle and major engine management system component identification numbers (VIN, vehicle certification labels, and calibration decals).
C389	Inspect engine assembly for leaks.	Inspect engine assembly for fuel, oil, coolant, and other leaks; determine necessary action.
C390	Diagnose engine noise or vibration.	Diagnose abnormal engine noise or vibration concerns; determine necessary action.
C391	Diagnose exhaust color, odor, & sounds.	Diagnose abnormal exhaust color, odor, and sound; determine necessary action.
C392	Perform engine manifold pressure tests.	Perform engine absolute (vacuum/boost) manifold pressure tests; determine necessary action.
C393	Perform cylinder power balance test.	Perform cylinder power balance test; determine necessary action.
C394*	Perform cylinder cranking compression tests.	Perform cylinder cranking compression tests; determine necessary action.
C395	Perform cylinder leakage test.	Perform cylinder leakage test; determine necessary action.
C396	Diagnose engine operation concerns.	Diagnose engine mechanical, electrical, electronic, fuel, and ignition concerns with an oscilloscope and/or engine diagnostic equipment; determine necessary action.
C397	Analyze and interpret exhaust readings.	Prepare 4 or 5 gas analyzer; inspect and prepare vehicle for test, and obtain exhaust readings; interpret readings, and determine necessary action.
C398	Verify engine operating temperature.	Verify engine operating temperature; determine necessary action.
C399	Perform cooling system pressure tests.	Perform cooling system pressure tests; check coolant condition; inspect and test radiator, pressure cap, coolant recovery tank, and hoses; perform necessary action.
C400	Verify correct camshaft timing.	Verify correct camshaft timing.
C401	Retrieve & record stored OBD I DTCs.	Retrieve and record stored OBD I diagnostic trouble codes; clear codes.
C402*	Retrieve & record stored OBD II DTCs.	Retrieve and record stored OBD II diagnostic trouble codes; clear codes when applicable.
C403	Diagnose emissions/drivability with DTCs.	Diagnose the causes of emissions or drivability concerns resulting from malfunctions in the computerized engine control system with stored diagnostic trouble codes.
C404	Diagnose emissions/drivability without DTCs.	Diagnose emissions or drivability concerns resulting from malfunctions in the computerized engine control system with no stored diagnostic trouble codes; determine necessary action.
C405	Check for comms errors with a scan tool.	Check for vehicle system module communication (including CAN/BUS systems) errors using a scan tool.
C406	Inspect etc. control sensors with a GMM/DSO.	Inspect and test computerized engine control system sensors, powertrain control module (PCM), actuators, and circuits using a graphing multimeter (GMM)/digital storage oscilloscope (DSO); perform necessary action.
C407	Obtain & interpret scan tool data.	Obtain and interpret scan tool data.
C408	Use service info to diagnose engine systems.	Access and use service information to perform step-by-step diagnosis on engine systems.
C409	Diagnose interrelated systems problems.	Diagnose drivability and emissions problems resulting from malfunctions of interrelated systems (cruise control, security alarms, suspension controls, traction controls, A/C, automatic transmissions, non-OEM-installed accessories, or similar systems); determine necessary action.
C410	Diagnose distributorless ignition system.	Diagnose ignition system related problems such as no-starting, hard starting, engine misfire, poor drivability, spark knock, power loss, poor mileage, and emissions concerns on vehicles with electronic ignition (distributorless) systems; determine necessary action.
C411	Diagnose distributor ignition system.	Diagnose ignition system related problems such as no-starting, hard starting, engine misfire, poor drivability, spark knock, power loss, poor mileage, and emissions concerns on vehicles with distributor ignition (DI) systems; determine necessary action.
C412	Inspect etc. ignition primary wiring.	Inspect and test ignition primary circuit wiring and solid state components; perform necessary action.
C413	Inspect etc. ignition system distributor.	Inspect, test and service ignition system distributor.
C414	Inspect etc. ignition secondary wiring.	Inspect and test ignition system secondary circuit wiring and components; perform necessary action.
C415	Test ignition coil/s.	Inspect and test ignition coil(s); perform necessary action.
C416	Check etc. ignition timing & advance/retard.	Check and adjust ignition system timing and timing advance/retard (where applicable).
C417	Inspect etc. gnition system pick-up sensor.	Inspect and test ignition system pick-up sensor or triggering devices; perform necessary action.
C418	Diagnose carburetor-type fuel system.	Diagnose hot or cold no-starting, hard starting, poor drivability, incorrect idle speed, poor idle, flooding, hesitation, surging, engine misfire, power loss, stalling, poor mileage, dieseling, and emissions problems on vehicles with carburetor-type fuel systems; determine necessary action.
C419	Diagnose injection-type fuel system.	Diagnose hot or cold no-starting, hard starting, poor drivability, incorrect idle speed, poor idle, flooding, hesitation, surging, engine misfire, power loss, stalling, poor mileage, dieseling, and emissions problems on vehicles with injection-type fuel systems; determine necessary action.
C420	Check fuel for contaminants & quality.	Check fuel for contaminants and quality; determine necessary action.
C421*	Inspect etc. fuel pumps & control systems.	Inspect and test (mechanical and electrical) fuel pumps and pump control systems for pressure, regulation and volume; perform necessary action.
C422	Replace fuel filters.	Replace fuel filters.
C423	Inspect etc. cold enrichment system.	Inspect and test cold enrichment system and components; perform necessary action.
C424	Inspect intake system for vacuum leaks.	Inspect throttle body, air induction system, intake manifold and gaskets for vacuum leaks and/or unmetered air.
C425	Inspect etc. gasoline/petrol fuel injectors.	Inspect and test gasoline/petrol fuel injectors.
C426	Check idle speed.	Check idle speed and gasoline/petrol fuel mixture.
C427	Adjust idle speed & fuel mixture.	Adjust idle speed and gasoline/petrol fuel mixture.
C428	Inspect exhaust system components.	Inspect the integrity of the exhaust manifold, exhaust pipes, muffler(s), catalytic converter(s), resonator(s), tail pipe(s), and heat shield(s); perform necessary action.
C429	Perform exhaust system back-pressure test.	Perform exhaust system back-pressure test; determine necessary action.
C430	Test the operation of turbo/supercharger.	Test the operation of turbocharger/supercharger systems; determine necessary action.
C431	Diagnose concerns in the PCV system.	Diagnose engine oil leaks, emissions, and drivability problems resulting from malfunctions in the positive crankcase ventilation (PCV) system; determine necessary action.
C432	Test etc. the PCV system & components.	Inspect, test and service positive crankcase ventilation (PCV) filter/breather cap, valve, tubes, orifices, and hoses; perform necessary action.
C433	Diagnose concerns in the EGR system.	Diagnose emissions and drivability problems caused by malfunctions in the exhaust gas recirculation (EGR) system; determine necessary action.
C434	Inspect etc. the EGR system components.	Inspect, test, service and replace components of the EGR system, including EGR tubing, exhaust passages, vacuum/pressure controls, filters and hoses; perform necessary action.
C435	Inspect etc. EGR electrics sensors & controls.	Inspect and test electrical/electronic sensors, controls, and wiring of exhaust gas recirculation (EGR) systems; perform necessary action.
C436	Diagnose air injection & catalytic converter.	Diagnose emissions and drivability problems resulting from malfunctions in the secondary air injection and catalytic converter systems; determine necessary action.
C437	Inspect etc. mechanical air injection components.	Inspect and test mechanical components of secondary air injection systems; perform necessary action.
C438	Inspect etc. electrical air injection components.	Inspect and test electrical/electronically-operated components and circuits of air injection systems; perform necessary action.
C439	Test catalytic converter performance.	Inspect and test catalytic converter performance.
C440	Diagnose intake air temperature control system.	Diagnose emissions and drivability problems resulting from malfunctions in the intake air temperature control system; determine necessary action.
C441	Inspect etc. intake air temp control components.	Inspect and test components of intake air temperature control system; perform necessary action.
C442	Diagnose early fuel evaporation control system.	Diagnose emissions and drivability problems resulting from malfunctions in the early fuel evaporation control system; determine necessary action.
C443	Inspect etc. early fuel evaporation components.	Inspect and test components of early fuel evaporation control system; perform necessary action.
C444	Diagnose evaporative emissions control system.	Diagnose emissions and drivability problems resulting from malfunctions in the evaporative emissions control system; determine necessary action.
C445	Inspect etc. evaporative emissions components.	Inspect and test components and hoses of evaporative emissions control system; perform necessary action.
C446	Interpret evaporative emission DTCs.	Interpret evaporative emission related diagnostic trouble codes (DTCs); determine necessary action.
C447	Adjust engine valves.	Adjust valves on engines with mechanical or hydraulic lifters.
C448	Remove & replace timing belt.	Remove and replace timing belt; verify correct camshaft timing.
C449*	Remove & replace thermostat.	Remove and replace thermostat and gasket.
C450	Inspect etc. fans, fan clutch, shroud, dams.	Inspect and test mechanical/electrical fans, fan clutch, fan shroud/ducting, air dams, and fan control devices; perform necessary action.
C451	Identify general shop rules & procedures.	Identify general shop rules and procedures.
C452	Use safe tool handling procedures.	Utilize safe procedures for handling tools and equipment.
C453	Use floor jacks & jack stands.	Identify and use proper placement of floor jacks and jack stands.
C454	Identify & use safe lift procedures.	Identify and use proper procedures for safe lift operation.
C455	Use proper ventilation procedures.	Utilize proper ventilation procedures for working within the lab/shop area.
C456	Identify marked safety areas.	Identify marked safety areas.
C457	Identify the location & use of fire blankets.	Identify the location and use of fire blankets.
C458	Identify the types & location of fire extinguishers.	Identify the types and location of fire extinguishers; demonstrate an knowledge of the procedures for using fire extinguishers.
C459	Identify the location & use of eye wash stations.	Identify the location and use of eye wash stations.
C460	Identify the location of posted evacuation routes.	Identify the location of posted evacuation routes.
C461	Use workshop personal protection items.	Comply with the safe use of safety glasses, gloves, shoes, during lab/shop activities.
C462	Identify & wear appropriate workshop clothing.	Identify and wear appropriate clothing for lab/shop activities.
C463	Comply with appropriate workshop hairstyles.	Comply with appropriate hairstyles for lab/shop activities.
C464	Demonstrate knowledge of SRS/ABS safety.	Demonstrate knowledge of safety aspects of supplemental restraint systems (SRS) and antilock braking systems (ABS).
C465	Locate & demonstrate knowledge of MSDSs.	Locate and demonstrate knowledge of material safety data sheets (MSDS).
C466	Identify automotive tools & their usage.	Identify tools and their usage in automotive applications.
C467	Identify standard & metric designation.	Identify standard and metric designation.
C468	Demonstrate safe tool handling & use.	Demonstrate safe handling and use of appropriate tools.
C469	Demonstrate proper tool maintenance.	Demonstrate proper cleaning, storage, and maintenance of tools and equipment.
C470	Identify and use sources of service information.	Identify sources of service information, Locate and use paper and electronic manuals, Locate and use Technical Service Bulletins.
C471	Identify and use VIN information.	Proper vehicle identification information, Define the use and purpose of the VIN, engine numbers and data code, Locate VIN, Apply knowledge of VIN information.
C472	Identify information needed on a repair order.	Identify information needed and the service requested on a repair order.
C473	Demonstrate proper use of fender covers & mats.	Identify purpose and demonstrate proper use of fender covers, mats.
C474	Demonstrate use of 3Cs.	Demonstrate use of 3 C’s (concern, cause and correction).
C475	Review vehicle service history.	Review vehicle service history.
C476	Prepare vehicle for return to customer.	Ensure vehicle is prepared to return to customer per school/company policy (floor mats, steering wheel cover etc).
C477	Check & adjust engine oil level.	Check and adjust engine oil level.
C478	Check & adjust engine coolant level.	Check and adjust engine coolant level.
C479	Check & adjust power steering fluid level.	Check and adjust power steering fluid level.
C480	Check & adjust brake fluid level.	Check and adjust brake fluid level.
C481	Check & adjust windshield washer fluid level.	Check and adjust windshield washer fluid level.
C482	Check & replace wiper blades.	Check and replace wiper blades.
C483	Check & adjust differential/transfer case fluid.	Check and adjust differential/transfer case fluid level.
C484	Check & adjust transmission fluid level.	Check and adjust transmission fluid level.
C485	Inspect etc. drive belts, tensioners, & pulleys.	Inspect, replace, and adjust drive belts, tensioners, and pulleys; check pulley and belt alignment.
C486	Inspect & replace air filter.	Inspect and replace air filter.
C487	Determine fluid requirements.	Determine fluid type requirements and identify fluid.
C488	Inspect powertrain mount.	Inspect powertrain mount; determine necessary action.
C489	Diagnose fluid usage, level, & condition.	Diagnose fluid usage, level and condition concerns; determine necessary action.
C490	Drain & fill transmission/final drive unit.	Drain and fill transmission/final drive unit.
C491	Inspect CV joint boots.	Inspect constant-velocity (CV) joint boots.
C492	Remove & replace rear wheel drive shaft.	Remove and replace rear wheel drive  shaft.
C493	Visually inspect air-con system components.	Identify and visually inspect A/C system components.
C494	Identify specified refrigerant type.	Locate refrigerant label and identify specified refrigerant type. (eg: R-12 R-134a)
C495	Conduct preliminary aircon system test.	Conduct preliminary performance test of A/C system (i.e.: verify compressor engagement, measure outlet duct temperature, sense temperature changes across A/C components); determine appropriate action.
C496	Correctly process payment transactions.	Correctly process payment transactions.
C497	Carry out a full dynamic roller brake test.	Carry out a full braking system test using a dynamic roller brake tester.
C498	Inspect & test a diesel fuel injector.	Inspect and test a diesel (CI) fuel injector.
C499	Remove & refit rotary diesel fuel injector pump.	Remove and refit rotary diesel (CI) fuel injector pump.
C500	Bench test a rotary diesel fuel injector pump.	Bench test a rotary diesel (CI) fuel injector pump.
C501	Remove & replace a live rear axle.	Remove and replace a live rear axle.
C502	Carry out a full valet/detail on a vehicle.	Carry out a full valet/detail on a vehicle.
C503	Replace diesel engine fuel filter.	Replace diesel (CI) engine fuel filter.
C504	Correctly store & dispose of automotive fluids.	Demonstrate understanding of the correct methods of storage and disposal of lubricants, cleaning agents, & contaminates.
C504	Identify automotive tools & their usage.	Identify tools and their usage in automotive applications.
C505	Identify vehicle types & body components.	Recognize different vehicle types and body components.
C506	Make vehicle body adjustments.	Carry out vehicle body adjustments and access vehicle components.
C507	Use resistance welding equipment.	Use resistance welding equipment and produce a 10 spot weld.
C508	AST: Identify personal safety equipment.	Associated Studies Tasksheet - Workshop Key Skills: Identify personal protective equipment and safety features.
C509	AST: Document safe workshop practices.	Associated Studies Tasksheet - Workshop Key Skills: Identify and document safety related vehicle workshop practices.
C510	AST: Document compliance practices.	Associated Studies Tasksheet - Workshop Key Skills: Identify and document compliance and customer related vehicle workshop practices.
C511	AST: Document organizational structures.	Associated Studies Tasksheet: Vehicle Workshop Practices: Research and document organizational structures.
C512	Carry out a vehicle safety inspection.	Carry out a vehicle safety inspection.
C513	Identify & agree customer vehicle needs.	Identify and agree customer vehicle needs.
C514	Diagnose etc. vehicle engine system faults.	Diagnose and rectify vehicle engine system and component faults.
C515	Diagnose etc. vehicle chassis system faults.	Diagnose and rectify vehicle chassis system faults.
C516	Diagnose etc. vehicle transmission faults.	Diagnose and rectify vehicle transmission and driveline system faults.
C517	Diagnose etc. engine electrical faults.	Diagnose and rectify engine electrical faults.
C518	Diagnose etc. transmission electrical faults.	Diagnose and rectify transmission and chassis electrical faults.
C519	Diagnose etc. auxiliary electrical faults.	Diagnose and rectify auxiliary equipment electrical faults.
C520	Obtain & interpret scan tool engine data.	Obtain and interpret engine performance data with a scan tool.
C521	Carry out automotive engineering tasks.	Carry out general engineering tasks in the motor industry.
C522	Use an oxyacetylene welding plant.	Use an Oxy-acetylene welding plant.
C523	Carry out personal workplace requirements.	Carry out automotive industrial personal workplace requirements.
C524	Test an automotive electrical circuit.	Select test equipment and test an automotive electrical circuit.
C525	Identify faults and adjust lighting systems.	Identify functions of automotive lighting systems, rectify lighting faults and adjust vehicle lamps.
C526	Identify & translate a wiring diagram.	Identify an automotive wiring diagram and translate information to a motor vehicle circuit.
C527	Carry out & test automotive wiring repairs.	Carry out automotive wiring repairs and test circuits for serviceability.
C528	Demonstrate knowledge of a diesel fuel system.	Demonstrate knowledge of a diesel fuel system.
C529	Bleed air from a diesel fuel system.	Bleed air from a diesel fuel system.
C530	Remove and repair/replace exhaust system.	Remove, repair, and/or replace and or machine exhaust system.
C531	Maintain automotive stock security.	Maintain stock security in the motor and related industries.
C532	Use automotive fastening systems.	Select and use fastening systems used in the motor industry.
C533	Store & use hazardous automotive materials.	Store and use hazardous materials in the motor and related industries.
C534	Identify motor vehicle systems & functions.	Identify the locations and functions of motor vehicle systems and main components.
C535	Select automotive lubricants & sealants.	Select and apply lubricants and sealants for automotive and related industry applications.
C536	Prepare a vehicle for use & shutdown after use.	Prepare a vehicle and /or machine for use and shutdown after use.
C537	Use & maintain component cleaning equipment.	Clean automotive components and maintain cleaning equipment.
C538	Remove & replace motor body parts & trim.	Remove and replace exterior and interior motor body parts and trim in the motor industry.
C539	AST: Solve problems using calculations.	Associated Studies Tasksheet - Use of number - Solve problems using calculations with numbers expressed in different forms.
C540	Work order: Engine repair.	Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.(Engine Repair)
C541	Install engine covers using gaskets/seals.	Install engine covers using gaskets, seals and sealers as required.
C542	Perform common fastener & thread repair.	Perform common fastener and thread repair to include, remove broken bolt, restore internal and external threads, and repair internal threads with thread insert.
C543	Assemble engine block.	Assemble engine block assembly.
C544	Work order: Auto transmission/transaxle.	Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.(Automatic transmission/transaxle)
C545	Diagnose transmission hydraulics (Pascal's Law).	Diagnose pressure concerns in the transmission using hydraulic principles (Pascal’s Law).
C546	Diagnose electrics (Ohm's Law).	Diagnose electrical/electronical concerns using principals of electricity (Ohm’s Law).
C547	Inspect, leak test, & flush cooler, lines, & fittings.	Inspect, leak test, and flush cooler, lines, and fittings.
C548	Work order: Manual drive & axles.	Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.( Manual Drive and axles)
C549	Work order: Suspension & Steering Systems.	Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.(Suspension and Steering Systems Diagnosis)
C550	Inspect etc. electric power steering.	Inspect and test non-hydraulic electric-power assist steering.
C551	Identify hybrid power steering system electrics.	Identify hybrid vehicle power steering system electrical circuits, service and safety precautions.
C552	Repair tire using internal patch.	Repair tire using internal patch.
C553	Inspect etc. tire pressure monitoring system.	Inspect, diagnose, and calibrate tire pressure monitoring system.
C554	Work order: Brakes.	Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.(Brakes)
C555	Refinish rotor off vehicle.	Refinish rotor off vehicle.
C556	Measure etc. master cylinder pushrod length.	Measure and adjust master cylinder pushrod length.
C557	Work order: Electrical & Electronics.	Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.(Electrical and Electronics)
C558	Remove & replace terminal end from connector.	Remove and replace terminal end from connector
C559	Repair wiring harness (including CAN/BUS).	Repair wiring harness (including CAN/BUS systems).
C560	Identify hybrid high voltage circuit service plug.	Identify location of hybrid vehicle high voltage circuit disconnect (service plug) location and safety procedures
C561	Identify hybrid high voltage circuits.	Identify high voltage circuits of electric or hybrid electric vehicle and related safety precautions.
C562	Identify electronic security code components.	Identify electronic modules, security systems and/or radios that require reinitialization or code entry following battery disconnect.
C563	Identify hybrid auxiliary battery procedures.	Identify hybrid vehicle auxiliary (12v) battery service, repair and test procedures.
C564	Identify HID headlights safety precautions.	Identify system voltage and safety precautions associated with high intensity discharge headlights.
C565	Work order: HVAC.	Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.(HVAC)
C566	Record scan tool HVAC data & DTCs.	Using scan tool, observe and record related HVAC data and trouble codes.
C567	Identify hybrid AC system electrical circuits.	Identify hybrid vehicle AC system electrical circuits, service and safety precautions.
C568	Perform cooling system pressure tests.	Perform cooling system pressure tests; check coolant condition, inspect and test radiator, pressure cap, coolant recovery tank, and hoses; perform necessary action.
C569	Work order: Engine Performance.	Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.(Engine Performance)
C570	Perform engine running compression test.	Perform engine running compression test; determine necessary action.
C571	Perform scan tool active tests of actuators.	Perform active tests of actuators using scan tool; determine necessary action.
C572	Perform common fastener & thread repair.	Perform common fastener and thread repair to include, remove broken bolt, restore internal and external threads, and repair internal threads with thread insert.
C573	Perform oil & filter changes.	Perform oil and filter changes.
C574	Use oxyacetylene torch to heat & cut metal.	Demonstrate proficiency in using oxy-acetylene torch to heat and cut metal.
C575	Identify hybrid engine service precautions.	Identify hybrid vehicle internal combustion engine service precautions.
C576	Visually inspect cylinder heads & gaskets.	Visually inspect cylinder head(s) for cracks; check gasket surface areas for warpage and leakage; check passage condition.
C577	Remove & reinstall cylinder heads & gaskets.	Remove and reinstall cylinder heads and gaskets; tighten according to manufacturer’s specifications and procedures.
C578	Perform cooling system pressure tests.	Perform cooling system pressure tests; check coolant condition; inspect and test radiator, pressure cap, coolant recovery tank, and hoses; determine necessary action.
C579	Dismount etc. tire with pressure sensor.	Dismount, inspect, and remount tire on wheel equipped with tire pressure sensor.
C580	Inspect tire & wheel assembly for air loss.	Inspect tire and wheel assembly for air loss; perform necessary action.
C581	Inspect & test power brake system for leaks.	Inspect and test hydraulically assisted power brake system for leaks and proper operation; determine necessary action.
C582	Repair connectors & terminal ends.	Repair connectors and terminal ends.
C583	Refinish disc brake rotor on vehicle.	Refinish disc brake rotor on vehicle
C584	Diagnose heated glass, mirror, or seat.	Diagnose incorrect heated glass, mirror or seat operation; determine necessary action.
C585	Identify refrigerant, use gauge to record pressure.	Identify refrigerant type; select and connect proper gauge set, record pressure readings; determine necessary action.
C586	Check idle speed.	Check idle speed
C587	Perform battery capacity/conductance test.	Perform battery capacity test(or conductance test) ; confirm proper battery capacity for vehicle application; determine necessary action.
C588	Using a fire extinguisher.	Locate workplace fire extinguishers and identify applications and operating procedures.
C589	Write business correspondence.	Write business correspondence successfully including letters, facsimilies and email.
C590	Complete a job sheet.	Complete a job sheet.
C591	Inspection report.	Complete an inspection report.
C592	Complete an equipment defect report.	Complete an equipment defect report.
C593	Accident report.	Complete an accident report.
C594	Where to look.	Conduct ressearch to find specific information related to the automotive industry.