Diagnosis Procedure
- CHECK RECLINING SWITCH SIGNAL
- Turn Ignition Switch OFF.
- Disconnect power seat Switch connector.
- Turn Ignition Switch ON.
- Check voltage between power seat Switch harness connector and ground.
(+)
(-)
Voltage (V)
(Approx.)
Power seat Switch
Connector
Terminals
B518
13
Ground
12
14
Is the inspection result normal?
YES
GO TO 3.
NO
GO TO 2.
- CHECK RECLINING SWITCH CIRCUIT
- Turn Ignition Switch OFF.
- Disconnect Driver Seat Control Unit connector.
- Check continuity between Driver Seat Control Unit harness connector and power seat Switch harness connector.
Driver Seat Control Unit
Power seat Switch
Continuity
Connector
Terminal
Connector
Terminal
B514
13
B518
13
Existed
14
14
- Check continuity between Driver Seat Control Unit harness connector and ground.
Driver Seat Control Unit
Ground
Continuity
Connector
Terminal
B514
13
Not existed
14
Is the inspection result normal?
YES
Replace Driver Seat Control Unit. Refer to Removal and Installation .
NO
Repair or replace harness or connector.
- CHECK RECLINING SWITCH
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 4.
NO
Replace power seat Switch. Refer to Removal and Installation .
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
INSPECTION END