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:
ECU diagnosis information
BCM (BODY CONTROL MODULE)
Reference Value
NOTE: The Signal Tech II Tool (J-50190) can
be used to perform the following functions. Refer to the Signal Tech II User
Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transm ...
Heated seat switches (if so equipped)
The front seats are warmed by built-in heaters.
1. Start the engine.
2. Push the LO or HI position of the switch, as
desired. The indicator light in the switch will
illuminate.
The heater is controlled by a thermostat,
automatically turning the heater on and off.
The indicator light ...
Symptom diagnosis
AUDIO SYSTEM
Symptom Table
AUDIO SYSTEM
Symptoms
Check items
Probable malfunction location
The disk cannot be removed.
Audio unit
Malfunction in audio unit.
Refer to AV-73, "Removal and
Installation".
No sound comes out ...