Power Supply and Ground Circuit Check for Display Unit

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE
Make sure that the following fuses of the display unit are not blown.

Fig 1: Fuses Inspection Chart
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
Check voltage between display unit harness connector terminals and ground.

Fig 2: Display Unit Harness Connector Terminals & Ground Voltage Specifications Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Display Unit Harness Connector Terminals & Ground Voltage Test
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK : GO TO 3.
- NG : Repair harness or connector.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check continuity between display unit harness connector M35 terminals 22 (B), 24 (B) and ground.
  - 22, 24 - Ground : Continuity should exist.
OK or NG
- OK : INSPECTION END
- NG : Repair harness or connector.
Fig 4: Display Unit Harness Connector M35 Terminals 22 (B), 24 (B) & Ground Continuity Test
Courtesy of NISSAN MOTOR CO., U.S.A.