FixVault
Home › Infiniti › 2003 › FX45 › Repair and Diagnosis › Electrical › Gauges › Integrated Display System › Integrated Display System › Power Supply And Ground Circuit Check For Display Unit

Power Supply And Ground Circuit Check For Display Unit

  1. CHECK FUSE 

    Make sure that the following fuses in display unit are not blown.

    FUSE CHECK

    Unit Signal Fuse No.
    Display Battery power supply 32
    Ignition switch ACC or ON 6

    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 SYSTEM WIRING DIAGRAMS .
  2. CHECK POWER SUPPLY CIRCUIT 

    Check voltage between display unit harness connector terminals and ground.

    Fig 1: Checking Voltage Between Display Unit Harness Connector Terminals And Ground
    G03108100Courtesy of NISSAN MOTOR CO., U.S.A.
    POWER SUPPLY CIRCUIT VOLTAGE

    Terminals Ignition switch position
    (+) (-) OFF ACC ON
    Connector Terminal (Wire color)
    M62 1 (W/L) Ground Battery voltage Battery voltage Battery voltage
    2 (LG/R) Ground 0V Battery voltage Battery voltage

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair harness or connector.
  3. CHECK GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect display unit connector.
    3. Check continuity between display unit harness connector M62 terminals 6 (B), 15 (B) and ground.

      6, 15 - ground: Continuity should exist. 

      Fig 2: Checking Continuity Between Display Unit Harness Connector Terminals And Ground
      G03108101Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: INSPECTION END
    2. NG: Repair harness or connector.
About FixVault