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 ...

    Other materials:

    Continuously Variable Transmission (CVT) fluid
    CAUTION NISSAN recommends using Genuine NISSAN CVT Fluid NS-3 (or equivalent) ONLY in NISSAN CVTs. Do not mix with other fluids. Do not use Automatic Transmission Fluid (ATF) or Manual transmission fluid in a NISSAN CVT, as it may damage the CVT. Damage caused by the use of fluid ...

    How to park with predicted course lines
    WARNING If the tires are replaced with different sized tires, the predicted course lines may be displayed incorrectly. On a snow-covered or slippery road, there may be a difference between the predicted course line and the actual course line. If the battery is disconnected or becomes discha ...

    Step lamp circuit
    Description Controls the step lamp (ground side) to turn the step lamp ON and OFF. Component Function Check CAUTION: Before performing the diagnosis, check that the following is normal. Battery saver output/power supply Step lamp bulbs 1.CHECK STEP LAMP OPERATION CONSULT Turn igni ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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