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Display Control Unit Circuit Inspection

  1. CHECK CONNECTOR 
    1. Turn ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Check terminals and connector of display control unit for damage, bend and loose connection (control unit side and harness side).

    OK or NG 

    OK : GO TO 2.

    NG : Repair terminal or connector.

  2. CHECK HARNESS FOR OPEN CIRCUIT 
    1. Disconnect display control unit connector.
    2. Check resistance between display control unit harness connector terminals.
      TERMINAL RESISTANCE CHART

      Display control unit connector Terminals Resistance (Approx.)
      M76 25 26 54 - 66 Ω
      Fig 1: Identifying Resistance Between Display Control Unit Harness Connector Terminals
      G04079043Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Replace display control unit.

    NG : Repair harness between display control unit and harness connector M82.

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