Power Walk-In Switch

POWER WALK-IN SWITCH

Description
Power walk-in switch is installed on seat back. The operation signal is input to driver seat control unit when power walk-in switch is operated.

Component Function Check
1.CHECK FUNCTION
1. Turn ignition switch ON.
2. Select "WALK-IN SW" in the "Data Monitor" mode using CONSULT-III.
3. Check the power walk-in switch signal under the following condition.

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

Diagnosis Procedure
1.CHECK POWER WALK-IN SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Disconnect power walk-in switch harness connector.
3. Check voltage between power walk-in switch harness connector and ground.

Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK POWER WALK-IN SWITCH CIRCUIT
1. Disconnect driver seat control unit connector and power walk-in switch connector.
2. Check continuity between driver seat control unit harness connector and power walk-in switch 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. Removal And Installation.
NO - Repair or replace harness.
3.CHECK POWER WALK-IN SWITCH GROUND CIRCUIT
Check continuity between power walk-in switch harness connector and ground.

Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK POWER WALK-IN SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace power walk-in switch (Built in walk-in lever). Exploded View.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END

Component Inspection
1.CHECK POWER WALK-IN SWITCH
1. Turn ignition switch OFF.
2. Disconnect power walk-in switch connector.
3. Check continuity between power walk-in switch terminals.

Is the inspection result normal?
YES - INSPECTION END
NO - Replace power walk-in switch (Built in walk-in lever). Exploded View.