1. Check Harness

1. Disconnect connectors of AV control unit, combination meter and BCM.
2. Check continuity AV control unit harness connector M77 terminal 34 (LG) and BCM harness connector M4 terminal 31 (LG).
   Fig 1: Checking Harness

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

   Continuity should exist. 

3. Check continuity AV control unit harness connector M77 terminal 35 (PU) and BCM harness connector M4 terminal 30 (PU).

   Continuity should exist. 

4. Check continuity between AV control unit harness connector M77 terminal 34 (LG), 35 (PU) and ground.

   Continuity should not exist. 

OK or NG

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