Lifting Switch (Front)

LIFTING SWITCH (FRONT)





Component Function Check
1.CHECK FUNCTION
1. Select "LIFT FR SW-UP", "LIFT FR SW-DN" in "Data monitor" mode with CONSULT-III.
2. Check lifting switch (front) signal under the following conditions.





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




Diagnosis Procedure
1.CHECK LIFTING SWITCH (FRONT) INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect power seat switch connector.
3. Turn ignition switch ON.
4. Check voltage between power seat switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK LIFTING SWITCH (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 power seat switch harness connector.





4. Check continuity between driver seat control unit harness connector and ground.





Is the inspection result normal?
YES - Replace driver seat control unit.
NO - Repair or replace harness or connector.
3.CHECK LIFTING SWITCH (FRONT)
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 4.
NO - Replace power seat switch.
4.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection
1.CHECK LIFTING SWITCH (FRONT)
1. Turn ignition switch OFF.
2. Disconnect power seat switch (lifting switch front) connector.
3. Check continuity between power seat switch (lifting switch front) terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace power seat switch.