Circuit/System Testing
- Ignition OFF, radio OFF, radio B+ fuse removed, disconnect all of the connectors listed below:
- Audio Amplifier X3
- Navigation Information Display X1 (display screen) (if equipped)
- Navigation Information Display X2 (actuator) (if equipped)
- Driver Seatback Video Display (if equipped)
- Passenger Seatback Video Display (if equipped)
- Reinstall the radio B+ fuse. Ignition ON, radio ON, verify that a test lamp illuminates between the entertainment remote enable circuit terminals listed below and ground:
- Audio Amplifier X3 terminal 8
- Navigation Information Display X1 terminal 4 (display screen) (if equipped)
- Navigation Information Display X2 terminal 3 (actuator) (if equipped)
- Driver Seatback Video Display terminal 2 (if equipped)
- Passenger Seatback Video Display terminal 2 (if equipped)
- If the test lamp does not illuminate, test the entertainment remote enable circuit for a short to ground or an open/high resistance. If the circuit tests normal replace the radio.
- Re-connect the harness connectors listed below one at a time. Verify that DTC B1265 does NOT set as current as each component is re-connected.
- Audio Amplifier X3
- Navigation Information Display X1 (display screen) (if equipped)
- Navigation Information Display X2 (actuator) (if equipped)
- Driver Seatback Video Display (if equipped)
- Passenger Seatback Video Display (if equipped)
- If DTC B1265 sets as current, replace the module/component that was just re-connected.