Nissan Maxima Service and Repair Manual: Power supply and ground circuit

BCM

BCM : Diagnosis Procedure

Regarding Wiring Diagram information, refer to BCS-67, "Wiring Diagram".

1. CHECK FUSE AND FUSIBLE LINK

Check if the following BCM fuses or fusible link are blown.

Nissan Maxima. CHECK FUSE AND FUSIBLE LINK

Is the fuse or fusible link blown?

2. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect BCM.
  3. Check voltage between BCM harness connector and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

Is the measurement norma

3. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

Does continuity exist?

DRIVER SEAT CONTROL UNIT

DRIVER SEAT CONTROL UNIT : Diagnosis Procedure

NOTE: Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is confirmed with CONSULT.

Regarding Wiring Diagram information, refer to ADP-150, "Wiring Diagram".

1. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect driver seat control unit.
  3. Check voltage between driver seat control unit harness connector and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

Is the inspection result normal?

2. CHECK GROUND CIRCUIT

Check continuity between the driver seat control unit harness connector and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

Is the inspection result normal?

DRIVER SEAT CONTROL UNIT : Special Repair Requirement

1.PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

AUTOMATIC DRIVE POSITIONER CONTROL UNIT

AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure

NOTE: Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is confirmed with CONSULT.

Regarding Wiring Diagram information, refer to ADP-150, "Wiring Diagram".

1. CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect automatic drive positioner control unit.
  3. Check voltage between automatic drive positioner control unit harness connector and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

Is the inspection result normal?

2. CHECK GROUND CIRCUIT

Check continuity between the automatic drive positioner control unit harness connector and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

Is the inspection result normal?

AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement

1.PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

    B2128 UART communication line
    Description Driver seat control unit performs UART communication with the automatic drive positioner control unit using 1 communication line. Driver seat control unit receives the operation signa ...

    Sliding switch
    Description Sliding switch is equipped to the power seat switch LH on the seat frame. The operation signal is input to the driver seat control unit when the sliding switch is operated. Component ...

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    Diagnosis system (BCM)
    COMMON ITEM COMMON ITEM: CONSULT Function (BCM - COMMON ITEM) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. Direct Diagnostic Mode Description Ecu Identification The BCM part number is displayed Self Diagnostic Re ...

    Seat belt extenders
    If, because of body size or driving position, it is not possible to properly fit the lap/shoulder belt and fasten it, an extender that is compatible with the installed seat belts is available for purchase. The extender adds approximately 8 in (200 mm) of length and may be used for either the ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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