1. Check Ignition Signal

1. Disconnect AV control unit connector.
2. Check voltage between AV control unit harness connector M77 terminal 27 (BR/W) and ground.

Fig 1: Checking Ignition Signal

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

1. OK: Replace AV control unit.
2. NG: Check harness for open or short between AV control unit and fuse.