Lifting Motor (Front)

LIFTING MOTOR (FRONT)





Description
- The lifting motor (front) is installed to the seat slide cushion frame.
- The lifting motor (front) is activated with the driver seat control unit.
- The lifter (front) is moved upward/downward by changing the rotation direction of lifting motor (front).




Component Function Check
1.CHECK FUNCTION
1. Turn ignition switch ON.
2. Select "SEAT LIFTER FR" in "Active test" mode using CONSULT-III.
3. Check the lifting motor (front) operation.





Is the operation of relevant parts normal?
YES - INSPECTION END
NO - Perform diagnosis procedure. SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK LIFTING MOTOR (FRONT) POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect lifting motor (front) connector.
3. Turn the ignition switch ON.
4. Perform "Active test" ("SEAT LIFTER FR") using CONSULT-III.
5. Check voltage between lifting motor (front) harness connector and ground.





Is the inspection result normal?
YES - Replace lifting motor (front). (Built in seat slide cushion frame.) Exploded View.
NO - GO TO 2.
2.CHECK LIFTING MOTOR (FRONT) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check continuity between driver seat control unit harness connector and lifting motor (front) harness connector.





4. 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 LIFTING MOTOR (FRONT)
SEE Component Inspection.
Is the inspection result normal?
YES - Replace driver seat control unit. Removal And Installation.
NO - Replace lifting motor (front). (Built in seat slide cushion frame.) Exploded View.




Component Inspection
1.CHECK LIFTING MOTOR-1
Visually the lifting motor (front) for foreign object, and check that the lifting motor (front) is not broken.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace seat cushion frame (lifting motor).
2.CHECK LIFTING MOTOR-2
1. Turn ignition switch OFF.
2. Disconnect lifting motor connector.
3. Supply lifting motor terminals with battery voltage and check operation.





Is the inspection result normal?
YES - Lifting motor (front) is OK.
NO - Replace lifting motor (front). (Built in seat slide cushion frame.) Exploded View.