Diagnosis Procedure

SLIDING SENSOR


DRIVER SIDE : Description

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




SLIDING SENSOR


DRIVER SIDE : Diagnosis Procedure

1.CHECK SLIDING SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Check signal between sliding sensor harness connector and ground with oscilloscope.





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





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





Is the inspection result normal?
YES - Replace driver seat control unit. Refer to Removal and Installation.
NO - Repair or replace harness.
3.CHECK SLIDING SENSOR POWER SUPPLY
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. Disconnect driver seat control unit connector and sliding sensor connector.
2. Check continuity between driver seat control unit harness connector and sliding sensor harness connector.





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





Is the inspection result normal?
YES - Replace driver seat control unit. Refer to Removal and Installation.
NO - Repair or replace harness.
5.CHECK SLIDING SENSOR GROUND CIRCUIT
1. Disconnect driver seat control unit connector and sliding sensor connector.
2. Check continuity between driver seat control unit harness connector and sliding sensor harness connector.





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





Is the inspection result normal?
YES - GO TO 6.
NO - Repair or replace harness.
6.CHECK SLIDING SENSOR GROUND
1. Connect driver seat control unit connector.
2. Check continuity between driver seat control unit harness connector and ground.





Is the inspection result normal?
YES - Replace sliding sensor. Refer to Exploded View.
NO - Replace driver seat control unit. Refer to Removal and Installation.