Diagnosis Procedure

1. Turn Ignition Switch OFF.
2. Disconnect lifting motor (rear) connector.
3. Turn Ignition Switch ON.
4. Perform "Active test" ("SEAT LIFTER RR") with CONSULT
5. Check voltage between lifting motor (rear) harness connector and ground.

   (+)		(-)	Condition		Voltage (V) (Approx.)
   Lifting motor (rear)
   Connector	Terminals
   B510	7	Ground	SEAT LIFTER RR	OFF	0
   				UP	0
   				DWN (DOWN)	12
   	8			OFF	0
   				UP	12
   				DWN (DOWN)	0

Is the inspection result normal?

YES

Replace lifting motor (rear) (built in seat cushion frame).

NO

GO TO 2.

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 (rear) harness connector.

   Driver Seat Control Unit		Lifting motor (rear)		Continuity
   Connector	Terminal	Connector	Terminal
   B513	7	B510	7	Existed
   	8		8

4. Check continuity between Driver Seat Control Unit harness connector and ground.

   Driver Seat Control Unit		Ground	Continuity
   Connector	Terminal
   B513	7		Not existed
   	8

Is the inspection result normal?

YES

Replace Driver Seat Control Unit. Refer to Removal and Installation .

NO

Repair or replace harness or connector.