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

Nissan Maxima Service and Repair Manual / Body interior / Automatic drive positioner / DTC/circuit diagnosis / 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 unit counts the pulse and calculates the lifting (rear) amount of the seat.

Component Function Check

1. CHECK FUNCTION

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

Nissan Maxima. CHECK FUNCTION

Diagnosis Procedure

1. CHECK LIFTING SENSOR (REAR) SIGNAL

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

Nissan Maxima. CHECK LIFTING SENSOR (REAR) SIGNAL

2. CHECK LIFTING SENSOR (REAR) CIRCUIT

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

Nissan Maxima. CHECK LIFTING SENSOR (REAR) CIRCUIT

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

Nissan Maxima. CHECK LIFTING SENSOR (REAR) CIRCUIT

3. CHECK LIFTING SENSOR (REAR) POWER SUPPLY

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

Nissan Maxima. CHECK LIFTING SENSOR (REAR) POWER SUPPLY

4. CHECK LIFTING SENSOR (REAR) POWER SUPPLY CIRCUIT

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

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

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

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

5. CHECK LIFTING SENSOR (REAR) GROUND

Nissan Maxima. CHECK LIFTING SENSOR (REAR) GROUND

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

Nissan Maxima. CHECK LIFTING SENSOR (REAR) GROUND

    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 contro ...

    Tilt sensor
    Description The tilt sensor is installed to the steering column assembly. The pulse signal is input to the driver seat control unit when the tilt is operated. The driver seat control unit c ...

    Other materials:

    Uniform tire quality grading
    DOT (Department of Transportation) Quality Grades: All passenger car tires must conform to federal safety requirements in addition to these grades. Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: Treadwear 200 ...

    Parking brake system
    On-Vehicle Service PEDAL STROKE When parking brake pedal is operated with the specified force, make sure the stroke is within the specified number of notches. Check by listening and counting the ratchet clicks. Pedal stroke : Refer to PB-11, "Parking Brake Control". INSPECTI ...

    Changing wheels and tires
    Tire rotation NISSAN recommends rotating the tires every 5,000 miles (8,000 km). For additional information on tire replacing procedures, refer to "Flat tire" in the "In case of emergency" section of this manual. As soon as possible, tighten the wheel nuts to the specified torque with ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0143