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

  1. Select "TILT PULSE" in "DATA MONITOR" mode with CONSULT.
  2. Check tilt sensor signal under the following conditions.

Nissan Maxima. CHECK FUNCTION

Diagnosis Procedure

1. CHECK TILT SENSOR SIGNAL

  1. Turn ignition switch ON.
  2. Check voltage signal between driver seat control unit connector and ground with oscilloscope.

Nissan Maxima. CHECK TILT SENSOR SIGNAL

2. CHECK TILT SENSOR CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect driver seat control unit and tilt motor.
  3. Check continuity between driver seat control unit harness connector and tilt motor harness connector.

Nissan Maxima. CHECK TILT SENSOR CIRCUIT

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

 Nissan Maxima. CHECK TILT SENSOR CIRCUIT

3. CHECK TILT SENSOR POWER SUPPLY

  1. Connect driver seat control unit.
  2. Turn ignition switch ON.
  3. Check voltage between tilt motor harness connector and ground.

Nissan Maxima. CHECK TILT SENSOR POWER SUPPLY

4. CHECK TILT SENSOR POWER SUPPLY CIRCUIT

Nissan Maxima.  CHECK TILT SENSOR POWER SUPPLY CIRCUIT

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

Nissan Maxima.  CHECK TILT SENSOR POWER SUPPLY CIRCUIT

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

Nissan Maxima.  CHECK TILT SENSOR POWER SUPPLY CIRCUIT

5. CHECK TILT SENSOR GROUND CIRCUIT

Nissan Maxima. CHECK TILT SENSOR GROUND CIRCUIT

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

Nissan Maxima. CHECK TILT SENSOR GROUND CIRCUIT

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