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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2067 (LAN System) >> Service Information >> Trouble Diagnosis >> Display Control Unit Branch Line Circuit >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONNECTOR 
    1. Turn the ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Check the terminals and connectors of the display control unit for damage, bend and loose connection (unit side and connector side).

    OK or NG 

    OK: GO TO 2.

    NG: Repair the terminal and connector.

  2. CHECK HARNESS FOR OPEN CIRCUIT 
    1. Disconnect the connector of display control unit.
    2. Check the resistance between the display control unit harness connector terminals.
      HARNESS FOR OPEN CIRCUIT

      Display control unit harness connector Resistance (Ω)
      Connector No. Terminal No.
      M95 25 26 Approx. 54 - 66

    OK or NG 

    OK: GO TO 3.

    NG: Repair the display control unit branch line.

  3. CHECK POWER SUPPLY AND GROUND CIRCUIT 

    Check the power supply and the ground circuit of the display control unit. Refer to SCHEMATIC

    OK or NG 

    OK:

    • Present error: Replace the display control unit. Refer to REMOVAL AND INSTALLATION
    • Past error: Error was detected in the display control unit branch line.

    NG: Repair the power supply and the ground circuit.