Circuit/System Verification

Ignition » On / Vehicle » In Service Mode
Verify the component activates:Radio SpeakerThe balance and fade controls can be used to help isolate an inoperative speaker or poor sound condition.
- If the component does not activate
  Refer to: Speaker Malfunction (UQ3)Speaker Malfunction (UQA) .
- If all components operate
B153D Seat Belt Buckle - Driver & B153P Seat Belt Buckle - Passenger = Buckled
Verify the scan tool parameter:Driver Seat Belt Status & Passenger Seat Belt Status =Buckled
- If not the specified state
  Refer to: Seat Belt Indicator Malfunction - Driver .
- If the specified state
Headlamp Switch»Off
Verify the scan tool parameter:Headlamps On Switch =Inactive
- If not the specified state
  Refer to: Headlamps Malfunction
- If the specified state
Park Lamps Switch »Off
Verify the scan tool parameter:Park Lamps Switch =Inactive
- If not the specified state
  Refer to:Park, License, and/or Tail Lamps Malfunction
- If the specified state
Turn Signal Switch »Off
Verify the scan tool parameter:Left Turn Signal Switch & Right Turn Signal Switch =Inactive
- If not the specified state
  Refer to: Park, License, and/or Tail Lamps Malfunction
- If the specified state
Park Brake »Off
Verify the scan tool parameter:Park Brake Switch =Inactive
- If not the specified state
  Refer to:Park Brake System Diagnosis
- If the specified state
Close the doors and verify that the luggage compartment is empty.
Verify the scan tool parameter:Driver Door Ajar Switch & Passenger Door Ajar Switch & Left Rear Door Ajar Switch & Right Rear Door Ajar Switch =Inactive
- If not the specified state
  Refer to:Door Ajar Indicator Malfunction (Extended Cab)Door Ajar Indicator Malfunction (Crew Cab)
- If the specified state
All OK.