Nissan Maxima Service and Repair Manual: Lifting sensor (front)

Nissan Maxima Service and Repair Manual / Body interior / Automatic drive positioner / DTC/circuit diagnosis / Lifting sensor (front)

Description

  • The lifting sensor (front) is installed to the seat frame.
  • The pulse signal is input to the driver seat control unit when the lifting (front) is operated.
  • The driver seat control unit counts the pulse and calculates the lifting (front) amount of the seat.

Component Function Check

1.CHECK FUNCTION

  1. Select "LIFT FR PULSE" in "DATA MONITOR" mode with CONSULT.
  2. Check the lifting sensor (front) signal under the following conditions.

Nissan Maxima. .CHECK FUNCTION

Diagnosis Procedure

1. CHECK LIFTING SENSOR (FRONT) SIGNAL

  1. Turn ignition switch ON.
  2. Read the voltage signal between driver seat control unit harness connector and ground with an oscilloscope.

Nissan Maxima. CHECK LIFTING SENSOR (FRONT) SIGNAL

2. CHECK LIFTING SENSOR (FRONT) CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect driver seat control unit and front power seat LH [lifting motor (front)].
  3. Check continuity between driver seat control unit harness connector and front power seat LH [lifting motor (front)] harness connector.

Nissan Maxima. CHECK LIFTING SENSOR (FRONT) CIRCUIT

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

Nissan Maxima. CHECK LIFTING SENSOR (FRONT) CIRCUIT

3. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY

  1. Connect driver seat control unit.
  2. Turn ignition switch ON.
  3. Check voltage between front power seat LH [lifting motor (front)] harness connector and ground.

Nissan Maxima. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY

4. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect driver seat control unit.
  3. 3. Check continuity between driver seat control unit harness connector and front power seat LH [lifting motor (front)] harness connector.

Nissan Maxima. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY CIRCUIT

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

Nissan Maxima. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY CIRCUIT

5. CHECK LIFTING SENSOR (FRONT) GROUND

Nissan Maxima. CHECK LIFTING SENSOR (FRONT) GROUND

  1. Turn ignition switch OFF.
  2. Check continuity between front power seat LH [lifting motor (front)] harness connector and ground.

Nissan Maxima. CHECK LIFTING SENSOR (FRONT) GROUND

    Reclining sensor
    Description The reclining motor is installed to the seatback assembly. The pulse signal is input to the driver seat control unit when the reclining is operated. The driver seat control unit ...

    Lifting sensor (rear)
    Description The lifting sensor (rear) is installed to the seat frame. The pulse signal is input to the driver seat control unit when the lifting (rear) is operated. The driver seat control ...

    Other materials:

    Variable induction air system
    Description Power Valves 1 and 2 The power valves 1 and 2 are installed in intake manifold collector and used to control the suction passage of the variable induction air control system. They are set in the fully closed or fully opened position by the power valve actuators 1 and 2 operate ...

    Service data and specifications (SDS)
    Idle Speed Ignition Timing Calculated Load Value Mass Air Flow Sensor *: Engine is warmed up to normal operating temperature and running under no load. ...

    Drive computer
    The Drive Computer displays driving and average trip information, and can be accessed from the startup display on the vehicle information display. Select the Drive Computer icon, and press the OK button. To reset the  driving and average trip information, use the or button to sele ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2020 Copyright www.nimainfo.com
    0.0249