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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2093 (LAN System) >> Service Information >> Trouble Diagnosis >> Driver Seat Control Unit Branch Line Circuit >> Inspection Procedure

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 following terminals and connectors for damage, bend and loose connection (unit side and connector side).
      • Driver seat control unit connector
      • Harness connector B400
      • Harness connector B37

    OK or NG 

    OK: GO TO 2.

    NG: Repair the terminal and connector.

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

    Driver seat control unit harness connector Resistance (Ω)
    Connector No. Terminal No.
    B401 3 19 Approx. 54 - 66

    OK or NG 

    OK: GO TO 3.

    NG: Repair the driver seat control unit branch line.

  3. CHECK POWER SUPPLY AND GROUND CIRCUIT 

    Check the power supply and the ground circuit of the driver seat control unit. Refer to "SCHEMATIC ".

    OK or NG 

    OK:

    NG: Repair the power supply and the ground circuit.