Front

LIFTING SWITCH (FRONT)

Description

Lifting switch (front) is equipped to the power seat switch on the seat cushion side surface. The operation signal is input to the driver seat control unit when the lifting switch (front) is operated.


Component Function Check


1. CHECK FUNCTION

1.Turn ignition switch ON.
2.Select "LIFT FR SW-UP", "LIFT FR SW-DN" in the "Data monitor" mode using CONSULT-III.
3.Check lifting switch (front) signal under the following conditions.





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


Diagnosis Procedure


1. CHECK LIFTING SWITCH SIGNAL

1.Turn ignition switch OFF.
2.Disconnect power seat switch connector.
3.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.Disconnect driver seat control unit connector.
2.Check continuity between driver seat control unit harness connector and power seat 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 LIFTING SWITCH (FRONT)

.
Is the inspection result normal?
YES- GO TO 4.
NO- Replace power seat switch. Removal and Installation.

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 connector.
3.Check continuity between power seat switch terminals.





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