Sliding Sensor

SLIDING SENSOR

Description

- The sliding sensor is installed to the seat slide cushion frame.
- The pulse signal is input 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.


Component Function Check


1. CHECK FUNCTION

1.Turn ignition switch ON.
2.Select "SLIDE PULSE" in the "Data monitor" mode using CONSULT.
3.Check sliding sensor signal under the following conditions.





Is the indication normal?
YES- INSPECTION END
NO- Perform diagnosis procedure. Refer to "Diagnosis Procedure" .


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 using oscilloscope.





Is the inspection result normal?
YES- Replace driver seat control unit. Refer to "Removal and Installation" Removal and Installation.
NO- GO TO 2.

2. CHECK SLIDING SENSOR CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect driver seat control unit connector 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 "Removal and Installation" Removal and Installation.
NO- Repair or replace harness.

5. CHECK SLIDING SENSOR GROUND CIRCUIT 1

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- GO TO 6.
NO- Repair or replace harness.

6. CHECK SLIDING SENSOR GROUND CIRCUIT 2

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 (Built in seat slide cushion frame). Refer to "WITH ELECTRIC MOTOR : Exploded View" Exploded View.
NO- Replace driver seat control unit. Refer to "Removal and Installation" Removal and Installation.