Nissan Maxima Service and Repair Manual: 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
- Select "LIFT RR PULSE" in "DATA MONITOR" mode with CONSULT.
- Check lifting sensor (rear) signal under the following conditions

Diagnosis Procedure
1. CHECK LIFTING SENSOR (REAR) SIGNAL
- Turn ignition switch ON.
- Read voltage signal between driver seat control unit harness connector
and ground with oscilloscope.

2. CHECK LIFTING SENSOR (REAR) CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit and front power seat LH
[lifting motor (rear)].
- Check the continuity between driver seat control unit harness
connector and front power seat LH [lifting motor (rear)] harness
connector.

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

3. CHECK LIFTING SENSOR (REAR) POWER SUPPLY
- Connect driver seat control unit.
- Turn ignition switch ON.
- Check the voltage between front power seat LH [lifting motor
(rear)] harness connector and ground.

4. CHECK LIFTING SENSOR (REAR) POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit.
- Check the continuity between driver seat control unit harness
connector and front power seat LH [lifting motor (rear)] harness
connector

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

5. CHECK LIFTING SENSOR (REAR) GROUND

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

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 ...
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:
B terminal circuit
Description
"B" terminal circuit supplies power to charge the battery and operate the
vehicle's electrical system.
Diagnosis Procedure
1.CHECK "B" TERMINAL CONNECTION
Turn ignition switch OFF.
Check if "B" terminal is clean and tight
2.CHECK "B" TERMINAL CIRCUIT
Check voltage between ...
Parking lamp circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
tail lamp relay based on inputs from the BCM over the CAN communication
lines. When the tail lamp relay is energized, power flows through fuses 46
and 47, located in the IPDM E/R. Power then flows to the ...
Sound signal circuit
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
Left and right channel audio signals are supplied from the satellite radio
tuner to the AV control unit through the sound signal circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
LEFT CHANNEL
1.CHECK HARNESS
Turn ignition swi ...