Operation CHARM: Car repair manuals for everyone.

Diagnosis Procedure




MOTOR SENSOR

RH : Diagnosis Procedure


1. CHECK MOTOR SENSOR (RH) OUTPUT SIGNAL

1.Turn ignition switch OFF.
2.Check voltage between rear seatback power return control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 7.
NO- GO TO 2.

2. CHECK MOTOR SENSOR (RH) SIGNAL CIRCUIT

1.Disconnect power return motor assembly (RH) connector and rear seatback power return control unit connector.
2.Check continuity between power return motor assembly (RH) harness connector and rear seatback power return control unit harness connector.





3.Check continuity between power return motor assembly (RH) harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK MOTOR SENSOR (RH) POWER SUPPLY

1.Connect rear seatback power return control unit connector.
2.Check voltage power return motor assembly (RH) harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 4.

4. CHECK MOTOR SENSOR (RH) POWER SUPPLY CIRCUIT

1.Disconnect rear seatback power return control unit connector.
2.Check continuity between rear seatback power return control unit harness connector and power return motor assembly (RH) harness connector.





3.Check continuity between rear seatback power return control unit harness connector and ground.





Is the inspection result normal?
YES- Replace rear seatback power return control unit. Removal And Installation.
NO- Repair or replace harness.

5. CHECK MOTOR SENSOR (RH) GROUND CIRCUIT 1

1.Disconnect rear seatback power return control unit connector.
2.Check continuity between power return motor assembly harness connector and power return motor assembly (RH) harness connector.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace harness.

6. CHECK MOTOR SENSOR (LH) GROUND CIRCUIT 2

1.Connect rear seatback power return control unit connector.
2.Check continuity between rear seatback power return control unit harness connector and ground.





Is the inspection result normal?
YES- Replace motor sensor (RH) [seat device assembly (RH)]. Refer toExploded View.
NO- Replace rear seatback power return control unit. Removal And Installation.

7. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END