1. Check Harness

1. Disconnect connectors of AV control unit and display.
2. Check continuity between AV control unit harness connector and display.
Fig 1: Checking Harness
Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between AV control unit harness connector and ground.

OK or NG

1. OK: GO TO 2  .
2. NG: Check connector housings for disconnected or loose terminals. Repair harness or connector.