Power Supply and Ground Circuit Check for AV Switch

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE
Make sure the following fuses of the AV switch are not blown.

Fig 1: AV Switch - Fuse Check Reference
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: GO TO 2.
- NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".
CHECK POWER SUPPLY CIRCUIT
1. Disconnect AV switch connector.
2. Check voltage between connector terminals and ground as follows.
  
  Fig 2: AV Switch Connector M98 Terminals And Ground Voltage Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Voltage Between AV Switch Connector Terminals And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 3.
- NG: Check harness for open between AV switch and fuse.
CHECK GROUND CIRCUIT
Check continuity between AV switch and ground as follows.

Fig 4: AV Switch Connector M98 Terminals And Ground Continuity Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Checking Continuity Between AV Switch And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: Inspection End.
- NG: Repair or replace harness.