Nissan Maxima Service and Repair Manual: 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
- Select "LIFT FR PULSE" in "DATA MONITOR" mode with CONSULT.
- Check the lifting sensor (front) signal under the following
conditions.
![Nissan Maxima. .CHECK FUNCTION](/images/manuals/399/nissan_maxima_lifting_sensor_front__3667.jpg)
Diagnosis Procedure
1. CHECK LIFTING SENSOR (FRONT) SIGNAL
- Turn ignition switch ON.
- Read the voltage signal between driver seat control unit harness
connector and ground with an oscilloscope.
![Nissan Maxima. CHECK LIFTING SENSOR (FRONT) SIGNAL](/images/manuals/399/nissan_maxima_lifting_sensor_front__3668.jpg)
2. CHECK LIFTING SENSOR (FRONT) CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit and front power seat LH
[lifting motor (front)].
- 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](/images/manuals/399/nissan_maxima_lifting_sensor_front__3669.jpg)
- Check continuity between driver seat control unit harness connector and
ground.
![Nissan Maxima. CHECK LIFTING SENSOR (FRONT) CIRCUIT](/images/manuals/399/nissan_maxima_lifting_sensor_front__3670.jpg)
3. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY
- Connect driver seat control unit.
- Turn ignition switch ON.
- Check voltage between front power seat LH [lifting motor (front)]
harness connector and ground.
![Nissan Maxima. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY](/images/manuals/399/nissan_maxima_lifting_sensor_front__3671.jpg)
4. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit.
- 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](/images/manuals/399/nissan_maxima_lifting_sensor_front__3672.jpg)
- Check continuity between driver seat control unit harness connector and
ground.
![Nissan Maxima. CHECK LIFTING SENSOR (FRONT) POWER SUPPLY CIRCUIT](/images/manuals/399/nissan_maxima_lifting_sensor_front__3673.jpg)
5. CHECK LIFTING SENSOR (FRONT) GROUND
![Nissan Maxima. CHECK LIFTING SENSOR (FRONT) GROUND](/images/manuals/399/nissan_maxima_lifting_sensor_front__3674.gif)
- Turn ignition switch OFF.
- Check continuity between front power seat LH [lifting motor
(front)] harness connector and ground.
![Nissan Maxima. CHECK LIFTING SENSOR (FRONT) GROUND](/images/manuals/399/nissan_maxima_lifting_sensor_front__3675.jpg)
Description
The reclining motor is installed to the seatback assembly.
The pulse signal is input to the driver seat control unit when the
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The driver seat control unit ...
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.
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