AV Communication Line Check

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK AV SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV switch connector.
3. Check continuity between display unit and AV switch.
  
  Fig 1: Connector M93 Terminal (Wire Color) Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking AV Switch Circuit Continuity
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between display unit and ground.
  
  Fig 3: Connector Terminal Continuity Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: Repair harness.
CHECK AV COMMUNICATION SIGNAL
1. Connect display unit connector and AV switch connector.
2. Turn ignition switch ON.
3. Check the signal between display unit harness connector M93 terminals 11 (V), 13 (LG) and ground with CONSULT-II or oscilloscope.
  
  Fig 4: Checking Signal Between Display Unit Harness Connector M93 Terminals 11 (V), 13 (LG) & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  11 (V), 13 (LG)-Ground: Refer to " TERMINALS AND REFERENCE VALUE FOR DISPLAY UNIT ".
OK or NG
1. OK: Replace AV switch. Refer to "REMOVAL AND INSTALLATION FOR AV SWITCH ".
2. NG: Replace display unit. Refer to "REMOVAL AND INSTALLATION OF DISPLAY UNIT ".