Vehicle Condition Setting Is Not Possible

1. Disconnect the following connector, combination meter connector M41 and BCM connector M4.
   • B29: AV and NAVI control unit connector
   • M77: AV control unit connector (without rear control switch)
   • B32: AV control unit connector (with rear control switch)
2. Check continuity between AV and NAVI control unit or AV control unit connector terminal 34 (LG), and ground.
   Fig 1: Harness Check (1 Of 3)

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Harness Check (2 Of 3)

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity AV and NAVI control unit or AV control unit connector and BCM.
   Fig 3: Harness Check (3 Of 3)

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

OK or NG 

1. OK >> GO TO 2.
2. NG >>

• Check harness for open or short between AV and NAVI control unit or AV control unit and BCM.
• Check connector housings for disconnected or loose terminals.

1. Connect AV and NAVI control unit or AV control unit, combination meter connector and BCM connector.
2. Turn ignition switch ON.
3. Check voltage signal between AV and NAVI control unit or AV control unit connector terminal 34 (LG) and ground.
   Fig 4: Communication Signal (AV-ME) Check (1 Of 2)

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 5: Communication Signal (AV-ME) Check (2 Of 2)

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

OK or NG 

1. OK >> GO TO 3.
2. NG >> Replace AV and NAVI control unit or AV control unit

1. Turn ignition switch to ON and display "VEHICLE ELECTRONIC SYSTEMS" screen.
2. Check voltage signal between AV and NAVI control unit or AV control unit connector terminal 35 (PU) and ground.
   Fig 6: Communication Signal (ME-AV) Check (1 Of 2)

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 7: Communication Signal (ME-AV) Check (2 Of 2)

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

OK or NG 

1. OK >> Replace AV and NAVI control unit or AV control unit
2. NG >> Replace BCM