Circuit/System Verification

NOTE:

Before performing this diagnostics, make sure no indicators are illuminated after the instrument cluster performs a lamp test. If any indicators are illuminated after the bulb test, perform the indicator diagnostics before this diagnostics.

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)SPEAKER MALFUNCTION (U65) .
- 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 Turn Signal Lamps and/or Indicators 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