Power Supply and Ground Circuit Inspection for Multifunction Switch

WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER SUPPLY CIRCUIT
1. Disconnect multifunction switch connector.
2. Check voltage between multifunction switch and ground.
  
  Fig 1: Checking Power Supply Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Terminal And Ignition Switch Position Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK >> GO TO 2.

NG >> Check harness for open or short between multifunction switch and fuse.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between multifunction switch harness connector M83 terminal 2 (B) and ground.
  1. Continuity should exist.
Fig 3: Checking Ground Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK >> Inspection end.

NG >> Repair harness or connector.