Nissan Maxima Service and Repair Manual: 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 counts the pulse and calculates the
tilt amount of the steering column.
Component Function Check
1.CHECK FUNCTION
- Select "TILT PULSE" in "DATA MONITOR" mode with CONSULT.
- Check tilt sensor signal under the following conditions.

Diagnosis Procedure
1. CHECK TILT SENSOR SIGNAL
- Turn ignition switch ON.
- Check voltage signal between driver seat control unit connector
and ground with oscilloscope.

2. CHECK TILT SENSOR CIRCUIT
- Turn ignition switch OFF.
- Disconnect driver seat control unit and tilt motor.
- Check continuity between driver seat control unit harness
connector and tilt motor harness connector.

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

3. CHECK TILT SENSOR POWER SUPPLY
- Connect driver seat control unit.
- Turn ignition switch ON.
- Check voltage between tilt motor harness connector and ground.

4. CHECK TILT SENSOR POWER SUPPLY CIRCUIT

- Turn ignition switch OFF.
- Disconnect automatic drive positioner control unit.
- Check continuity between automatic drive positioner control unit
harness connector and tilt motor harness connector.

- Check continuity between automatic drive positioner control unit
harness connector and ground.

5. CHECK TILT SENSOR GROUND CIRCUIT

- Turn ignition switch OFF.
- Disconnect automatic drive positioner control unit.
- Check continuity between automatic drive positioner control unit
harness connector and tilt motor harness connector.

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 ...
Description
The telescopic sensor is installed to the steering column assembly.
The pulse signal is input to the driver seat control unit when
telescopic is performed.
The driver seat contr ...
Other materials:
Passenger side door mirror defogger
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the door mirror
from fogging up.
Component Function Check
1.CHECK DOOR MIRROR DEFOGGER RH
Check that the heating wire of door mirror defogger RH is heated when turning
the rear window de ...
Optical sensor
Description
The optical sensor converts the outside brightness (lux) to voltage and
transmits the optical sensor signal to the BCM.
Component Function Check
1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT
CONSULT
Turn the ignition switch ON.
Select "OPTICAL SENSOR" of BCM (HEAD LAMP) DATA MONIT ...
P0778 pressure control solenoid B
Description
The secondary pressure solenoid valve regulates the oil pump discharge
pressure to suit the driving condition
in response to a signal sent from the TCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
Immediate ...