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Driver Seat Control Unit Circuit Inspection

  1. CHECK CONNECTOR 
    1. Turn ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Check following terminals and connectors for damage, bend and loose connection (control unit side and harness side).
    • Driver seat control unit connector
    • Harness connector P1
    • Harness connector B37

    OK or NG 

    OK:  GO TO 2.

    NG:  Repair terminal or connector.

  2. CHECK HARNESS FOR OPEN CIRCUIT 
    1. Disconnect driver seat control unit connector.
    2. Check resistance between driver seat control unit harness connector terminals.
    TERMINALS RESISTANCE CHECK TABLE

    Driver seat control unit connector Terminal Resistance (Approx.)
    P2 3 19 54 - 66 ohm
    Fig 1: Identifying Resistance Between Driver Seat Control Unit Harness Connector Terminals
    G04163986Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK:  Replace driver seat control unit.

    NG:  Repair harness between driver seat control unit and harness connector B3.

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