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:
U1010 control unit (CAN)
Description
Refer to LAN-24, "CAN Communication Signal Chart".
DTC Logic
DTC DETECTION LOGIC
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
U1010
CONTROL UNIT (CAN
When detecting error during the initial diagnosis of CAN controller
of dri ...
B2268 water temp
Description
The engine coolant temperature signal is transmitted from ECM to the
combination meter via CAN communication.
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS OF ECM
Perform "Self Diagnosis Result" of ECM, and repair or replace malfunctioning
parts.
...
Vehicle identification number (VIN) plate
The vehicle identification number (VIN) plate is
attached as shown. This number is the identification
for your vehicle and is used in the vehicle
registration.
Vehicle identification number (chassis number)
The vehicle identification number is located as
shown.
Engine serial number
...