Seat Memory Switch

SEAT MEMORY SWITCH





Description
Memory switch is equipped on the seat set switch and seat memory switch installed to the driver side door trim. The operation signal is inputted to the automatic drive positioner control unit when the set switch or memory switch is operated.




Component Function Check
1.CHECK FUNCTION
1. Turn ignition switch ON.
2. Select "MEMORY SW 1", "MEMORY SW 2" "SET SW" in "Data monitor" mode with CONSULT-III.
3. Check seat memory switch signal under the following conditions.





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




Diagnosis Procedure
1.CHECK SEAT MEMORY SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Disconnect seat memory switch connector.
3. Turn ignition switch ON.
4. Check voltage between seat memory switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK MEMORY SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check continuity between automatic drive positioner control unit harness connector and seat memory switch harness connector.





4. Check continuity between automatic drive positioner control unit harness connector and ground.





Is the inspection result normal?
YES - Replace automatic drive positioner control unit. Removal And Installation.
NO - Repair or replace harness or connector.
3.CHECK MEMORY SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between seat memory switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness or connector.
4.CHECK SEAT MEMORY SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace seat memory switch. Removal And Installation.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection
1.CHECK SEAT MEMORY SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat memory switch connector.
3. Check continuity between seat memory switch terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace seat memory switch. Removal And Installation.