Circuit/System Testing

WARNING: This page is about a different car, the 2015 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the harness connectors at the P22F Video Display- Passenger Seatback.
Ignition On/Vehicle in Service Mode. Rear seat entertainment system ON. Select screen 1 on the remote control.
Verify that the rear seat entertainment system can be controlled using the remote control.
- If the rear seat entertainment system cannot be controlled
1. Replace the P22E Video Display- Driver Seatback.
2. Ignition On/Vehicle in Service Mode. Rear seat entertainment system ON. Select screen 1 on the remote control.
3. Verify that the rear seat entertainment system can be controlled using the remote control.
  - If the rear seat entertainment system cannot be controlled, replace the A33 Media Disc Player.
  - If the rear seat entertainment system can be controlled.
4. Proceed to Step 4.
- If the rear seat entertainment system can be controlled
Connect the harness connectors at the P22F Video Display- Passenger Seatback.
Disconnect the harness connectors at the P22E Video Display- Driver Seatback.
Ignition On/Vehicle in Service Mode. Rear seat entertainment system ON. Select screen 2 on the remote control.
Verify that the rear seat entertainment system can be controlled using the remote control.
- If the rear seat entertainment system cannot be controlled
1. Replace the P22F Video Display- Passenger Seatback.
2. Ignition On/Vehicle in Service Mode. Rear seat entertainment system ON. Select screen 2 on the remote control.
3. Verify that the rear seat entertainment system can be controlled using the remote control.
  - If the rear seat entertainment system cannot be controlled, replace the A33 Media Disc Player.
  - If the rear seat entertainment system can be controlled
4. All OK.
- If the rear seat entertainment system can be controlled
All OK.