Circuit/System Testing

B1265 01

1. Ignition OFF, radio OFF, radio B+ fuse removed, disconnect all of the connectors listed below:
   • Audio Amplifier X3
   • Video Signal Splitter X1 (if equipped)
   • Front Digital Video Disc Display (if equipped)
   • Rear Digital Video Disc Display (if equipped)
2. Reinstall the radio B+ fuse. Ignition OFF, radio OFF, verify that a test lamp does not illuminate between the entertainment remote enable circuit terminals listed below and ground:
   • Audio Amplifier X3 terminal 8
   • Video Signal Splitter X1 terminal 11 (if equipped)
   • Front Digital Video Disc Display terminal 8 (if equipped)
   • Rear Digital Video Disc Display terminal 8 (if equipped)
   • If the test lamp illuminates, test the entertainment remote enable circuit for a short to voltage. If the circuit tests normal replace the radio.
3. Re-connect the harness connectors listed below one at a time. Verify that DTC B1265 01 does NOT set as current as each component is re-connected.
   • Audio Amplifier X3
   • Video Signal Splitter X1 (if equipped)
   • Front Digital Video Disc Display (if equipped)
   • Rear Digital Video Disc Display (if equipped)
   • If DTC B1265 01 sets as current, replace the module/component that was just re-connected.

B1265 02

1. Ignition OFF, radio OFF, radio B+ fuse removed, disconnect all of the connectors listed below:
   • Audio Amplifier X3
   • Video Signal Splitter X1 (if equipped)
   • Front Digital Video Disc Display (if equipped)
   • Rear Digital Video Disc Display (if equipped)
2. 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
   • Video Signal Splitter X1 terminal 11 (if equipped)
   • Front Digital Video Disc Display terminal 8 (if equipped)
   • Rear Digital Video Disc Display terminal 8 (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.
3. Re-connect the harness connectors listed below one at a time. Verify that DTC B1265 02 does NOT set as current as each component is re-connected.
   • Audio Amplifier X3
   • Video Signal Splitter X1 (if equipped)
   • Front Digital Video Disc Display (if equipped)
   • Rear Digital Video Disc Display (if equipped)
   • If DTC B1265 02 sets as current, replace the module/component that was just re-connected.