Circuit/System Verification

Ignition ON.
Verify all the radio speakers operate by adjust the radio balance and fade to each speaker.
- If any speaker does not operate properly
  Refer to Speaker Malfunction (UQA) .
- If the speakers operate properly
Verify the scan tool Driver Seat Belt Status and Passenger Seat Belt Status parameters are Buckled when both front seat belts are buckled.
- If not Buckled
  Refer to Seat Belt Indicator Malfunction - Driver .
- If buckled
Verify the scan tool Headlamp On Switch parameter is Inactive when the headlamps are OFF.
- If not Inactive
  Refer to Headlamps Malfunction
- If Inactive
Verify the scan tool Park Lamps Switch parameter is Inactive when the park lamp switch is OFF.
- If not Inactive
  Refer to Park, License, and/or Tail Lamps Malfunction
- If Inactive
Verify the scan tool Left Turn Signal Switch and Right Turn Signal Switch parameters are Inactive while the turn signal switch is OFF.
- If not Inactive
  Refer to Park, License, and/or Tail Lamps Malfunction
- If Inactive
Verify the scan tool Park Brake Switch parameter is Inactive when the park brake is OFF.
- If not Inactive
  Refer to Park Brake System Diagnosis
- If Inactive
Verify that all scan tool parameters listed below are Inactive when all the doors are closed.
- Driver Door Ajar Switch
- Passenger Door Ajar Switch
- Left Rear Door Ajar Switch
- Right Rear Door Ajar Switch
- If not Inactive
  Refer to Door Ajar Indicator Malfunction
- If Inactive
Verify the scan tool Key in Ignition Status parameter is Inactive when the key is out of the ignition.
- If not Inactive
  Refer to Circuit/System Testing.
- If Active
All OK