Seat Memory Switch

SEAT MEMORY SWITCH





Description
The seat memory switch is installed on the front door LH trim. The operation signal is input to the automatic drive positioner control unit when the memory switch is operated.




Component Function Check
1. CHECK FUNCTION
1. Select "MEMORY SW 1", "MEMORY SW 2", "SET SW" in "Data monitor" mode with CONSULT-III.
2. 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
Regarding Wiring Diagram information, Electrical Diagrams.
1. CHECK MEMORY SWITCH CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and seat memory switch.
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 - GO TO 2
NO - Repair or replace harness.
2. CHECK MEMORY SWITCH GROUND CIRCUIT





Check continuity between seat memory switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3. CHECK SEAT MEMORY SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 4
NO - Replace seat memory switch. Service and Repair.
4. CHECK INTERMITTENT INCIDENT
Intermittent Incident.
Is the inspection result normal?
YES - Replace automatic drive positioner control unit. Service and Repair.
NO - Repair or replace the malfunctioning part.




Component Inspection
1. CHECK SEAT MEMORY SWITCH





1. Turn ignition switch OFF.
2. Disconnect seat memory switch.
3. Check continuity between seat memory switch terminals.






Is the inspection result normal?
YES - Inspection End.
NO - Replace seat memory switch. Service and Repair.