ATG 354 - Advanced GM Motors Systems

1. Perform proper shop safety procedures.
   1. Apply work area safety skills.
   2. Demonstrate safe personal working habits.
   3. Practice safe tool and equipment usage.
   4. Follow manufacturer’s repair procedures.
   5. Follow manufacturer and government warnings and regulations.
2. Examine data communication systems.
   1. Identify communication protocols used.
   2. Examine module to module communication.
   3. Check for and diagnose module communication errors (including CAN/BUS systems) using a scan tool.
   4. Identify electronic modules, security systems, radios, and other accessories that require re-initialization or code entry after reconnecting vehicle battery.
   5. Describe the process for software transfers, software updates, or flash reprogramming on electronic modules.
   6. Repair CAN/BUS wiring harness.
3. Service restraint systems.
   1. Locate system operational theory in a service manual.
   2. Identify inflatable restraint system components.
   3. Locate inflatable restraint system components on a vehicle.
   4. Examine inflatable restraint operational theory.
   5. Identify inflatable restraint trouble codes.
   6. Diagnose failures using trouble code information.
   7. Interpret information and data as it relates to diagnosis.
   8. Perform clearing of trouble codes.
   9. Disable inflator modules by zone location.
   10. Examine seatbelt pre-tensioner operation.
4. Analyze body control systems.
   1. Discuss controlled systems.
   2. Identify component location and functions.
   3. Use diagnostic tools and procedures to diagnose (troubleshoot) body electronic system circuits; determine necessary action.
   4. Interpret information and data as it relates to diagnosis.
   5. Diagnose body control system and sub-system failures.
5. Examine entertainment systems.
   1. Discuss fundamental radio principles.
   2. Identify audio system components.
   3. Examine operation of various audio systems.
   4. Diagnose (troubleshoot) radio static and weak, intermittent, or no radio reception; determine necessary action.
   5. Examine video system operation.
6. Analyze security systems.
   1. Examine engine related anti-theft systems.
   2. Perform security system-related no-start diagnosis.
   3. Discuss content theft security systems.
   4. Diagnose content theft security system concerns.
7. Examine emerging technology.
   1. Discuss hybrid vehicle technology.
   2. Identify high-voltage circuits of electric or hybrid electric vehicle and related safety precautions.
   3. Describe safe working practices and protective equipment for enabling and disabling high voltage systems.
   4. Analyze high voltage systems.
   5. Explain the procedure to depower high voltage systems
   6. Discuss the procedures to be followed to perform service of hybrid/high voltage vehicles
   7. Examine fuel cell technology.
8. Examine vehicle related Noise, Vibration, and Harshness
   1. Discuss vibration terminology
   2. Explore vibration theory.
   3. Use vibration diagnostic tools.
9. Perform Noise, Vibration, and Harshness engine diagnostic procedures.
   1. Diagnose engine firing frequency vibrations.
   2. Diagnose accessory related vibrations.
   3. Diagnose abnormal engine vibrations. 
10. Perform Noise, Vibration, and Harshness Driveline diagnostic procedures.
    1. Diagnose constant-velocity (CV) joint noise and vibration concerns; determine needed action.
    2. Diagnose universal joint noise and vibration concerns; perform needed action.
    3. Check shaft balance and phasing; measure shaft runout; measure and adjust driveline angles.
    4. Diagnose drive axle shafts, bearings, and seals for noise; vibration; and fluid leakage concerns; determine necessary action.
11. Perform Noise, Vibration, and Harshness Tire and Wheel diagnostic procedures.
    1. Diagnose wheel/tire vibration, shimmy, and noise; determine needed action.
    2. Measure wheel, tire, axle flange, and hub runout; determine needed action.