Light Vehicle



CDX Tasksheet Number and Title

Mandatory Tasks to be completed and submitted.

Group

General Safety

C451

Identify general shop safety rules and procedures.

C456

Identify marked safety areas.

C459

Identify the location and use of eye wash stations.

C460

Identify the location of posted evacuation routes.

C465

Locate and demonstrate knowledge of material safety data sheets (MSDS).

Group

General Safety: Personal Safety

C461

Comply with the required safe use of safety glasses, ear protection, gloves, and shoes, during lab/shop activities.

C462

Identify and wear appropriate clothing for lab/shop activities.

C463

Secure hair and jewelry for lab/shop activities.

Group

General Safety: Tool Safety

C466

Identify tools and their usage in automotive applications.

C896

Demonstrate proper use of precision measuring tools (i.e. micrometer, dial-indicator, dial-caliper).

Group

General Safety: Vehicle, Customer, and Service Information

C471

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 and the service requested on a repair order.

C474

Demonstrate use of 3 C’s (concern, cause and correction).

C475

Review vehicle service history.

Group

General Safety: SRS and ABS Safety

C464

Demonstrate awareness of the safety aspects of supplemental restraint systems (SRS), electronic brake control systems, and hybrid vehicle high voltage circuits.

C895

Demonstrate awareness of the safety aspects of high voltage circuits (such as high intensity discharge (HID) lamps, ignitions systems, injection systems, etc.). 

C590

Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.

Group

Engine Repair: Vehicle, Customer, and Service Infromation 

C002

Research applicable vehicle and service information, such as internal engine operation, vehicle service history, service precautions, and technical service bulletins.

C900

Identify hybrid vehicle internal combustion engine service precautions. 

Group

Engine Repair: Engine Mechanical Testing 

C004

Inspect engine assembly for fuel, oil, coolant, and other leaks; determine necessary action.

C898

Verify operation of the instrument panel engine warning indicators. 

C392

Perform engine absolute (vacuum/boost) manifold pressure

C709

Perform cylinder cranking and running compression tests; determine necessary action.

C395

Perform cylinder leakage test; determine necessary action.

Group

Engine Repair: Cylinder Head Dissasembly, Inspection, and Repair 

C021

Inspect pushrods, rocker arms, rocker arm pivots and shafts for wear, bending, cracks, looseness, and blocked oil passages (orifices); determine necessary action.

C677

Establish camshaft position sensor indexing.

C723

Adjust valves (mechanical or hydraulic lifters).

Group

Engine Repair: Miscellaneous In-Vehicle Engine Tasks 

C541

Install engine covers using gaskets, seals, and sealers as required.

Group

Engine Repair: Lubrication System Service 

C737

Perform engine oil and filter change.

C732

Perform oil pressure tests; determine necessary action.

C736

Inspect, test, and replace oil temperature and pressure switches and sensors.

Group

Engine Repair: Cooling System Service 

C578

Perform cooling system pressure and dye tests to identify leaks; check coolant condition and level; inspect and test radiator, pressure cap, coolant recovery tank, and heater core and galley plugs; determine necessary action.

C734

Inspect, replace, and adjust drive belts, tensioners, and pulleys; check pulley and belt alignment.

NN10

Inspect and replace engine cooling and heater

C735

Remove, inspect,  and replace thermostat and gasket/seal.

C050

Inspect and test coolant; drain and recover coolant; flush and refill cooling system with recommended coolant; bleed air as required.

C680

Inspect, remove and replace water pump.

C052

Remove and replace radiator.

C053

Inspect and test fans(s) (electrical or mechanical), fan clutch, fan shroud, and air dams.

C871

Inspect auxiliary coolers; determine necessary action.

C598

Identify causes of engine overheating.

Group

Automatic transmission and Transaxle: Vehicle, Customer, and Service information 

C599

Identify and interpret transmission/transaxle concern; differentiate between engine performance and transmission/transaxle concerns; determine necessary action.

C682

Diagnose fluid loss and condition concerns; determine necessary action.

C606

Describe the operational characteristics of a continuously variable transmission (CVT)

C607

Describe the operational characteristics of a hybrid vehicle drive train.

C749

Inspect, leak test, and flush or replace transmission/transaxle oil cooler, lines, and fittings.

C605

Inspect converter flex (drive) plate, converter attaching bolts, converter pilot, converter pump drive surfaces, converter end play, and crankshaft pilot bore.

Group

Automatic Transmission and Transaxle: Diagnosis

C600

Diagnose electronic transmission/transaxle control systems using appropriate test equipment and service information.

C601

Inspect, test, adjust, repair, or replace electrical/electronic components and circuits, including computers, solenoids, sensors, relays, terminals, connectors, switches, and harnesses.

C066

Diagnose transmission/transaxle gear reduction/multiplication concerns using driving, driven, and held member (power flow) principles.

C747

Diagnose pressure concerns in a transmission using hydraulic principles (Pascal’s Law).

C743

Diagnose noise and vibration concerns; determine necessary action.

Group

Automatic Transmission and Transaxle: Maintenance and Repair 

C683

Inspect, adjust, and replace external manual valve shift linkage, transmission range sensor/switch, and park/neutral position switch.

C905

Inspect for leakage at external seals, gaskets, and bushings

C602

Inspect, replace and align powertrain mounts.

 

 

Group

Automatic Transmission and Transaxle: Transmission Removal and Replacement 

C688

Inspect, measure, and reseal oil pump assembly and components.

C689

Measure transmission/transaxle end play or preload; determine necessary action.

C752

Inspect and measure planetary gear assembly components; determine necessary action.

C751

Inspect bushings; determine necessary action.

C750

Inspect, measure, and replace thrust washers and bearings.

C759

Inspect roller and sprag clutch, races, rollers, sprags, springs, cages, and retainers; determine necessary action.

C690

Inspect oil delivery circuits, including seal rings, ring grooves, and sealing surface areas, feed pipes, orifices, and check valves/balls.

C686

Inspect servo and accumulator bores, pistons, seals, pins, springs, and retainers; determine necessary action.

C756

Inspect clutch drum, piston, check-balls, springs, retainers, seals, and friction and pressure plates, bands, and drums; determine necessary action.

Group

Manual Drive Train and Axles: Vehicle, Customer, and Service Information 

C102

Research applicable vehicle and service information, fluid type, vehicle service history, service precautions, and technical service bulletins.

C101

Identify and interpret drive train concerns; determine necessary action.

C611

Describe the operational characteristics of an electronically controlled manual transmission/transaxle.

Group

Manual Drive Train and Axles: Transmission/Transaxle Maintenance 

C901

Check fluid condition; check for leaks.

C691

Check fluid condition; check for leaks; determine necessary action 

C105

Drain and refill manual transmission/transaxle and final drive unit.

Group

Manual Drive Train and Axles: Clutch Maintenance 

C107

Inspect clutch pedal linkage, cables, automatic adjuster mechanisms, brackets, bushings, pivots, and springs; perform necessary action.

C908

Check and adjust clutch master cylinder fluid level.

C909

Check for system leaks.

C938

Check and adjust clutch master cylinder fluid level; check for leaks.

Group

Manual Drive Train and Axles: Clutch Diagnosis and Repair. 

C847

Inspect flywheel and ring gear for wear and cracks; determine necessary action.

Group

Manual Drive Train and Axles: Transmission/ Transaxle Diagnosis 

C609

Diagnose noise concerns through the application of transmission/transaxle powerflow principles.

Group

Manual Drive Train and Axles: Drive Shaft, Half Shaft, Universal, and Constant-Velocity Joint Diagnosis and Repair 

C132

Diagnose constant-velocity (CV) joint noise and vibration concerns; determine necessary action.

C849

Inspect, service, and replace shafts, yokes, boots, and universal/CV joints.

C133

Diagnose universal joint noise and vibration concerns; perform necessary action.

C779

Check shaft balance and phasing; measure shaft runout; measure and adjust driveline angles.

Group

Manual Drive Train and Axles: Drive Axle Diagnosis and Repair

C911

Check and adjust differential housing fluid level. 

C785

Clean and inspect differential housing; check for leaks; inspect housing vent.

C138

Diagnose noise and vibration concearns; determine necessary action 

Group

Manual Drive Train and Axles: Drive Axle Shaft 

C153

Diagnose drive axle shafts, bearings, and seals for noise, vibration, and fluid leakage concerns; determine necessary action.

C156

Inspect and replace drive axle shaft seals, bearings, and retainers.

Group

Suspension and Steering Systems: Vehicle, 

C851

Identify and interpret suspension and steering system concerns; determine necessary action. 

C166

Research applicable vehicle and service information, such as suspension and steering system operation, vehicle service history, service precautions, and technical service bulletins.

Group

Suspension and Steering Systems: Wheel and Tire Maintenance 

C619

Inspect tire condition; identify tire wear patterns; check for correct tire size and application (load and speed ratings) and adjust air pressure; determine necessary action.

C936

Demonstrate knowledge of steps required to remove and replace sensors in a tire pressure monitoring system. 

Group

Suspension and Steering Systems: Wheel and Tire Diagnosis 

C935

Identify and test tire pressure monitoring systems (indirect and direct) for operation; verify operation of instrument panel lamps. 

C855

Diagnose wheel/tire vibration, shimmy, and noise; determine necessary action.

C796

Diagnose tire pull problems; determine necessary action.

Group

Suspension and Steering Systems: Power Steering Pump Maintenance and Service 

C177

Determine proper power steering fluid type; inspect fluid level and condition.

C178

Flush, fill, and bleed power steering system.

Group

Suspension and Steering Systems: Steering Gear Diagnosis 

C884

Diagnose power steering gear (non-rack and pinion) binding, uneven turning effort, looseness, hard steering, and noise concerns; determine necessary action.

C880

Diagnose power steering gear (rack and pinion) binding, uneven turning effort, looseness, hard steering, and noise concerns; determine necessary action.

Group

Suspension and Steering Systems: Steering Column Service 

C168

Disable and enable supplemental restraint system (SRS).

C170

Diagnose steering column noises, looseness, and binding concerns (including tilt mechanisms); determine necessary action.

Group

Suspension and Steering Systems: Front-Suspension Diagnosis 

C852

Diagnose short and long arm suspension system noises, body sway, and uneven ride height concerns; determine necessary action.

Group

Suspension and Steering Systems: Electronically Controlled Steering and Suspension Service 

C931

Describe the function of the power steering pressure switch. 

Group

Suspension and Steering Systems: Wheel Alignment Diagnosis, Adjustment, and Repair  

C618

Prepare vehicle for wheel alignment on the alignment machine; perform four wheel alignment by checking and adjusting front and rear wheel caster, camber; and toe as required; center steering wheel.

Group

Brakes: Vehicle, Customer, and Service Information 

C230

Research applicable vehicle and service information, such as brake system operation, vehicle service history, service precautions, and technical service bulletins.

C229

Identify and interpret brake system concerns; determine necessary action.

C944

Describe procedure for performing a road test to check brake system operation, including an anti-lock brake system (ABS).

Group

Brakes: Fluid Testing and Maintenance 

C239

Select, handle, store, and fill brake fluids to proper level.

C625

Test brake fluid for contamination.

C705

Bleed and/or flush brake system.

Group

Brakes: Master Cylinder Testing and Service 

C235

Remove, bench bleed, and reinstall master cylinder.

C556

Measure and adjust master cylinder pushrod length.

Group

Brakes: Brake Lines and Hoses Inspection and Repair

C624

Fabricate brake lines using proper material and flaring procedures (double flare and ISO types).

Group

Brakes: Disc Brake Inspection, Maintenance, and Service 

C948

Describe importance of operating vehicle to burnish/break-in replacement brake pads according to manufacturer's recommendations.

Group

Brakes: Parking Brake Inspection and Service 

C633

Check parking brake operation and parking brake indicator light system operation; determine necessary action.

Group

Brakes: Hydraulic System Diagnosis and Service 

C894

Diagnose pressure concerns in the brake system using hydraulic principles (Pascal’s Law).

Group

Brakes: Hydraulic System Diagnosis and Service cont.

C236

Diagnose poor stopping, pulling or dragging concerns caused by malfunctions in the hydraulic system; determine necessary action.

Group

Brakes: Wheel Bearing Inspection, Maintenance, and Service 

C267

Diagnose wheel bearing noises, wheel shimmy, and vibration concerns; determine necessary action.

Group

Brakes: Brake Warning Light and Stop Light inspection and Service 

C947

Identify components of the brake warning light system

Group

Brakes: Electronic Brake Control Maintenance and Service 

C857

Identify traction control/vehicle stability control system components. 

C950

Describe the operation of a regenerative braking system. 

Group

Electrical/Electronic Systems: Vehicle, Customer, and Service Information 

C286

Research applicable vehicle and service information, vehicle service history, service precautions, and technical service bulletins.

C951

Demonstrate knowledge of electrical/electronic series, parallel, and series-parallel circuits using principles of electricity (Ohm's Law). 

Group

Electrical/Electronic Systems: Battery Diagnosis and Service 

C645

Identify electronic modules, security systems, radios, and other accessories that require reinitialization or code entry after reconnecting vehicle battery.

C817

Diagnose the cause(s) of excessive key-off battery drain (parasitic draw); determine necessary action.

Group

Electrical/Electronic Systems: Starting System Diagnosis and Repair 

C314

Differentiate between electrical and engine mechanical problems that cause a slow-crank or no-crank condition.

Group

Electrical/Electronic Systems: Charging System Diagnosis and Repair 

C316

Diagnose (troubleshoot)  charging system for the cause of undercharge, no-charge, or overcharge conditions.

Group

Electrical/Electronic Systems: Lighting System Diagnosis and Repair 

C564

Identify system voltage and safety precautions associated with high intensity discharge headlights.

C320

Diagnose (troubleshoot) the cause of brighter-than-normal, intermittent, dim, or no light operation; determine necessary action.

Group

Electrical/Electronic Systems: Fundamentals

C289

Use wiring diagrams to trace electrical/electronic circuits .

C641

Demonstrate the proper use of a digital multimeter (DMM) when measuring source voltage, voltage drop, (including grounds), current flow and resistance.

C291

Check operation of electrical circuits with a test light.

C298

Inspect and test fusible links, circuit breakers, and fuses; determine necessary action.

C296

Demonstrate knowledge of the causes and effects from shorts, grounds, opens, and resistance problems in electrical/electronic circuits. 

C299

Inspect and test switches, connectors, relays, solenoid solid state devices, and wires of electrical/electronic circuits; determine necessary action.

Group

Electrical/Electronic Systems: Wire Repair 

C643

Replace electrical connectors and terminal ends.

C301

Perform solder repair of electrical wiring.

C559

Repair wiring harness (including CAN/BUS systems). 

Group

Electrical/Electronic Systems: Horn and Wiper/Washer diagnosis and Repair 

C327

Diagnose (troubleshoot) causes of  incorrect horn operation; perform necessary action.

C328

Diagnose (troubleshoot) causes of incorrect wiper operation; diagnose wiper speed control and park problems; perform necessary action.

Group

Electrical/Electronic Systems: Gauges/ Warning Devices, and Driver Information Systems Diagnosis and Repair  

C325

Diagnose (troubleshoot) the cause of incorrect operation of warning devices and oter driver information systems; determine necessary action.

Group

Electrical/Electronic Systems: Accessories Diagnosis and Repair  

C647

Diagnose (troubleshoot) incorrect electric lock operation (including remote keyless entry); determine necessary action.

C333

Diagnose (troubleshoot)  incorrect operation of cruise control systems; determine necessary action.

Group

Electrical/Electronic Systems: Accessories Diagnosis and Repair (SRS, etc)

C335

Disable and enable an airbag system for vehicle service; verify indicator lamp operation.

C861

Diagnose (troubleshoot) supplemental restraint system (SRS) problems; determine necessary action.

Group

Electrical/Electronic Systems: Accessories Diagnosis and Repair (CAN/BUS, etc)

C338

Diagnose (troubleshoot) body electronic system circuits using a scan tool; determine necessary action.

C821

Check for module communication errors (including CAN/BUS systems) using a scan tool.

C340

Diagnose the cause(s) of false, intermittent, or no operation of anti-theft systems.

Group

Electrical/Electronic Systems: Hybrid Electrical Safety 

C561

Identify high voltage circuits of electric or hybrid electric vehicle and related safety precautions.

C874

Identify hybrid vehicle auxiliary (12v) battery service, repair and test procedures.

Group

HVAC: Vehicle, Customer, and Service Information 

C342

Research applicable vehicle and service information, vehicle service history, service precautions, and technical service bulletins.

C341

Identify and interpret heating and air conditioning problems; determine necessary action.

C827

Identify hybrid vehicle A/C system electrical circuits and the service/safety precautions.

Group

HVAC: Preliminary Testing 

C655

Identify the source of A/C system odors.

Group

HVAC: Refrigerant Recovery, Recycling, and Handling 

C836

Identify and recover A/C system refrigerant.

C652

Determine recommended oil and oil capacity for system application.

Group

HVAC: Heating, Ventilation, and Engine Cooling Systems Daignosis and Repair 

C362

Diagnose temperature control problems in the heater/ventilation system; determine necessary action.

Group

HVAC Operating Systems and Related Controls Diagnosis and Repair 

C566

Using scan tool, observe and record related HVAC data and trouble codes.

C350

Diagnose A/C system conditions that cause the protection devices (pressure, thermal, and PCM) to interrupt system operation; determine necessary action.

C374

Diagnose A/C compressor clutch control systems; determine necessary action.

C835

Diagnose malfunctions in the vacuum, mechanical, and electrical components and controls of the heating, ventilation, and A/C (HVAC) system; determine necessary action.

C378

Inspect A/C-heater ducts, doors, hoses, cabin filters and outlets; perform necessary action.

Group

Vehicle, Customer, and Service Information

C387

Research applicable vehicle and service information, vehicle service history, service precautions, and technical service bulletins.

NN08

Demonstrate use of 3 Cs (concern, cause, and correction).

C386

Identify and interpret engine performance concerns; determine necessary action.

Last modified: Tuesday, July 26, 2016, 11:11 AM