Power Supply and Ground Circuit Check for Display Unit

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 FUSE
Check if the following fuses for display unit are blown.

Fig 1: Fuse No Specification
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 2.
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 display unit connector.
2. Check voltage between display unit connector and ground.
  
  Fig 2: Connector M93 Terminal (Wire Color) Specification
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Voltage Between Display Unit Connector & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: Check harness for open between display and fuse.
CHECK GROUND CIRCUIT
Check continuity between display unit harness connector M93 terminal 6 (B) and ground.

Fig 4: Checking Continuity Between Display Unit Harness Connector M93 Terminal 6 (B) & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

Continuity should exist.

OK or NG
1. OK: Inspection End.
2. NG: Repair ground harness.