Diagnosis Procedure

RECLINING SWITCH


Description

Reclining switch is equipped to the power seat switch LH on the seat cushion trim cover. The operation signal is input to the driver seat control unit when the reclining switch is operated.





RECLINING SWITCH


Diagnosis Procedure

1. CHECK RECLINING SWITCH SIGNAL





1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 5
NO - GO TO 2
2. CHECK RECLINING SWITCH CIRCUIT





1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness connector and power seat switch LH harness connector.





3. 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 DRIVER SEAT CONTROL UNIT OUTPUT





1. Connect the driver seat control unit.
2. Turn ignition switch OFF.
3. Check voltage between driver seat control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Replace driver seat control unit. Refer to Driver Seat Control Unit.
4. CHECK RECLINING SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 5
NO - Replace power seat switch LH. Refer to Disassembly and Assembly.
5. CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
Is the inspection result normal?
YES - Replace driver seat control unit. Refer to Driver Seat Control Unit.
NO - Repair or replace the malfunctioning part.