Rear

LIFTING SWITCH (REAR)

Description

Lifting switch (rear) is equipped to the power seat switch LH on the seat cushion trim cover. The operation signal is inputted to the driver seat control unit when the lifting switch (rear) is operated.


Component Function Check


1. CHECK FUNCTION

1.Select "LIFT RR SW-UP", "LIFT RR SW-DN" in "Data monitor" mode with CONSULT.
2.Check lifting switch (rear) signal under the following conditions.





Is the indication normal?
YES- Inspection End.
NO- Perform diagnosis procedure. .


Diagnosis Procedure

Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

1. CHECK LIFTING SWITCH (REAR) SIGNAL






1.Turn ignition switch OFF.
2.Check voltage between driver seat control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 5
NO- GO TO 2

2. CHECK LIFTING SWITCH (REAR) CIRCUIT






1.Disconnect driver seat control unit and power seat switch LH.
2.Check continuity between driver seat control unit harness connector and power seat switch LH harness connector.





3.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 DRIVER SEAT CONTROL UNIT OUTPUT






1.Connect the driver seat control unit.
2.Turn ignition switch OFF.
3.Check voltage between driver seat control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 4
NO- Replace driver seat control unit. Service and Repair.

4. CHECK LIFTING SWITCH (REAR)

.
Is the inspection result normal?
YES- GO TO 5
NO- Replace power seat switch LH. Overhaul.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
Is the inspection result normal?
YES- Replace driver seat control unit. Service and Repair.
NO- Repair or replace the malfunctioning part.


Component Inspection


1. CHECK LIFTING SWITCH (REAR)






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





Is the inspection result normal?
YES- Inspection End.
NO- Replace power seat switch LH. Overhaul.