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:
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 transmitter
Read TPMS DTCs
Re ...
Recommended fluids/lubricants and capacities
The following are approximate capacities. The actual refill capacities may
be slightly different. When refilling, follow the procedure
described in the "Do-it-yourself" section to determine the proper refill
capacity.
...
ECU diagnosis information
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The display shows the control unit calculation data, so a normal value might be
displayed even in the
event the output circuit (harness) is open or short-circuited.
Note 1: C ...