Circuit/System Testing
- Ignition OFF, disconnect the rear video display harness connector.
- Ignition ON, Test for 100 to 300 Hz on the video display mode signal circuit terminal 10.
- If 100 to 300 Hz is not present, repair open/high resistance, short to voltage, short to ground or replace the radio.
- If 100 to 300 Hz is present, replace the rear video display.