Automotive Technology: Ford ASSET

Brakes

1. Check master cylinder fluid condition and adjust level as needed.
2. Check master cylinder for internal and external leaks and proper operation; determine needed repairs.
3. Bench bleed master cylinder.
4. Replace master cylinder.
5. Inspect brake lines and hoses; replace as needed.
6. Diagnose poor stopping, noise, pulling, grabbing, dragging, or pedal pulsation using road test and visual inspection.
7. Perform front disc brake repair including replacement of brake pads, rebuilding calipers, and machining rotors following manufacturer's procedures.
8. Perform rear drum repair including replacement of brake shoes and wheel cylinders, and machining of brake drums following manufacturer's procedures.
9. Check parking brake system; lubricate, adjust and or replace as needed.
10. Test operation of vacuum operated power assist unit; determine needed repairs.
11. Check operation of hydraulic valves (metering, proportioning, pressure differential, and combination.)
12. Clean, inspect & repack front wheel bearings on rear wheel drive vehicle.
13. Test parking brake indicator lights, switches, and wiring.
14. Test, adjust, repair or replace brake stop light switch and wiring.
15. Diagnose and repair an anti-lock brake system.

Steering & Suspension

1. Inspect manual and power steering fluid levels and condition.
2. Diagnose power rack and pinion steering gear looseness, and hard steering problems; determine needed repairs.
3. Diagnose power steering fluid leaks.
4. Remove and replace manual or power rack and pinion steering gear.
5. Flush power steering system.
6. Remove and replace power steering pump.
7. Inspect and replace power steering pump pulley.
8. Replace power steering hose(s).
9. Inspect steering and suspension for worn parts; replace as needed
10. Replace worn steering parts such as inner and outer tie rod ends, pitman arm, idler arm, steering center link, etc.
11. Replace broken or worn suspension parts such as upper and lower ball joints, bushings, stabilizer links, springs, etc.
12. Inspect and replace MacPherson strut cartridge or assembly.
13. Inspect and replace shock absorbers.
14. Diagnose wheel bearing noise.
15. Inspect and service or replace front and or rear wheel bearings.
16. Diagnose vehicle wandering, pulling, hard steering, and poor steering return; determine needed repairs.
17. Measure riding height.
18. Perform 4 wheel alignment; make all necessary adjustments.
19. Center steering wheel.
20. Inspect abnormal tire wear; determine probable cause(s).
21. Diagnose wheel/tire vibration, shimmy, and tramp problems; determine needed repairs.
22. Diagnose tire pull (lead) problems; determine corrective actions.
23. Diagnose & repair electronically controlled variable power steering system.
24. Diagnose and repair electronically controlled suspension system.

Engine Management - Fuel & Emissions

1. Inspect fuel tank and fuel cap; inspect and replace fuel lines, fittings, and hoses.
2. Check fuel for contaminants and quality.
3. Inspect and test mechanical and electrical fuel pumps; replace as needed.
4. Replace fuel filters.
5. Inspect and service air cleaner and element.
6. Inspect and test positive crankcase ventilation (PCV) filter/breather cap, valve, tubes, orifices, and hoses; service or replace as needed.
7. Inspect and test EGR system; service or replace as needed.
8. Inspect and test components of air injection systems; service or replace as needed.
9. Inspect and test components of catalytic converter systems; replace as needed.
10. Inspect and test components of inlet air temperature control system; replace as needed.
11. Inspect and test components of early fuel evaporation control systems; service or replace as needed.
12. Inspect and test components and hoses of evaporative emissions control systems; replace as needed.

Engine Management - Performance

1. Use of Engine Emissions Diagnostic Manual.
2. Verifies concern prior to repair.
3. Routinely checks OASIS for pertinent information.
4. References TSBs as part of routine procedure.
5. Use of EVTMs as diagnostic/repair aid.
6. Locate/interpret engine calibration information.
7. Diagnosing the following Non-EEC Drivability Concerns:
   • Basic Adjustments (throttle stop, etc.)
   • Induction System Problems
   • Vacuum Leaks
   • Poor Compression
   • Valve train (cam timing, duration, etc.)
   • Exhaust Restriction
8. Engine Control Strategies (timing, fuel, EGR, etc.)
9. Use of the following equipment:
• Breakout Box
• Digital Volt/Ohm Meter
• New Generation Star Tester
• Oscilloscope/Engine Analyzer
• Exhaust Emissions Analyzer
• Fuel Quality Test Equipment
• Fuel Pressure Test Equipment
• NGS Scan Tool
• Service Bay Diagnostic System
• World Diagnostic System
10. Performs self test preliminary/visual checks.
11. Performing EEC-IV System Self Test.
12. Interpreting EEC-IV Self Test Codes.
13. Performing pinpoint diagnostics when self test indicates a system fault.
14. Diagnosing system faults that don't generate a self test code.
15. Diagnosing intermittent faults.
16. Diagnosing concerns in the following areas:
• TFI-IV Ignition System and Timing Control circuits.
• Potentiometer sensor circuits (TPS, EVP, etc.)
• Thermistor sensor circuits (ECT, IAT, VAT, etc.)
• Frequency generator circuits (MAP, BP, etc.)
• Exhaust Gas Oxygen (EGO) sensor circuit.
• Knock sensor circuit.
• Fuel delivery system.
• Fuel injection system.
• EGR valve and control system.
• Thermactor valves and control system.
• Boost control systems.
• Electronic Control Assembly (processor).

Electrical System Tasks

1. Check applied voltage drops in electrical circuits using digital voltmeters; determine needed repairs.
2. Check current flow in electrical circuits and components using an ammeter; determine needed repairs.
3. Check continuity and resistance in electrical circuits and components using a digital ohmmeter; determine needed repairs.
4. Check electrical circuits using jumper wires; determine needed repairs.
5. Inspect, test, and replace fusible links, circuit breakers, and fuses.

Battery Concerns

1. Diagnose the cause(s) of abnormal battery drain; determine needed repairs.
2. Inspect, clean, fill, and replace battery.
3. Perform battery capacity (load, high-rate discharge) test; determine; needed service.
4. Maintain or restore electronic memory functions.
5. Recharge a weak or dead battery.
6. Inspect and clean battery posts and cable ends.
7. Jump-start a vehicle using battery cables or power supply.

Starting System Concerns

1. Perform starter current draw test; determine needed repairs.
2. Perform starter circuit voltage drop test; determine needed repairs.
3. Remove, bench test and replace/reinstall starter.

Charging System Concerns

1. Diagnose charging system problems that cause an undercharge, no charge, or an overcharge condition.
2. Inspect and adjust alternator drive belts; replace as needed.
3. Perform charging system output test; determine needed repairs.
4. Perform charging circuit voltage drop tests; determine needed repairs.
5. Remove and replace/reinstall alternator.
6. Disassemble, clean, inspect, and replace alternator brushes and/or voltage regulator.

Ignition System Concerns

1. Perform cylinder power balance tests.
2. Inspect and test ignition system secondary using and ignition oscilloscope.
3. Inspect and test ignition system secondary using SBDS.
4. Inspect and test ignition primary circuit wiring and components.
5. Inspect and test an ignition Hall triggering device.
6. Inspect and test a variable reluctance sensor.
7. Inspect and test ignition control module.
8. Inspect and test an ignition coil.
9. Remove distributor, R&I stator, reinstall distributor.
10. Check and adjust ignition timing.
11. Perform a basic tune-up.
12. Diagnose ignition related no start and poor running conditions.

For the following skills use wiring diagrams to determine needed electrical circuit repairs and diagnose the cause of poor, intermittent, or no:

• courtesy light operation
• stoplight operation
• back-up light operation
• horn(s) operation
• rear window defogger operation
• electric door and hatch/trunk lock operation
• turn signal operation
• power seat operation
• power window operation
• power lock operation
• power side mirror operation
• air bag system
• speed control system
• windshield wiper system
• window washer system
• fuel gauge
• oil pressure gauge
• coolant temperature gauge
• headlight circuit
• tail lamp circuit
• parking lamp circuit