Diagnosis Procedure

SLIDING SENSOR

Description

- The sliding sensor is installed to the seat slide cushion frame.
- The pulse signal is inputted to the driver seat control unit when sliding is performed.
- The driver seat control unit counts the pulse and calculates the sliding amount of the seat.

SLIDING SENSOR

Diagnosis Procedure

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

Is the inspection result normal?
YES - Replace driver seat control unit. Refer to Driver Seat Control Unit.
NO - GO TO 2.
2.CHECK SLIDING SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and sliding sensor connector.
3. Check continuity between driver seat control unit harness connector and sliding sensor harness connector.

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

Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness.
3.CHECK SLIDING SENSOR POWER SUPPLY
1. Connect driver seat control unit connector.
2. Turn ignition switch ON.
3. Check voltage between sliding sensor harness connector and ground.

Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 4.
4.CHECK SLIDING SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check continuity between driver seat control unit harness connector and sliding sensor harness connector.

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

Is the inspection result normal?
YES - Replace driver seat control unit. Refer to Driver Seat Control Unit.
NO - Repair or replace harness.
5.CHECK SLIDING SENSOR GROUND
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check continuity between driver seat control unit harness connector and sliding sensor harness connector.

Is the inspection result normal?
YES - Replace sliding sensor.
NO - Repair or replace harness.