Power Supply and Ground Circuit Check for Display Control Unit

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

Fig 1: Fuse Terminals Table
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 case of malfunction before installing new fuse. Refer to POWER DISTRIBUTION .
CHECK POWER SUPPLY CIRCUIT
1. Check voltage between connector terminals and ground as follows.
  
  Fig 2: Ignition Switch Terminals Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Voltage Between Connector Terminals And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: Check harness for open or short between display control unit and fuse.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display control unit connector.
3. Check continuity between the following display control unit and ground.
  
  Fig 4: Ignition Switch Terminals Continuity Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Checking Continuity Between Following Display Control Unit And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: INSPECTION END
2. NG: Repair harness or connector.