Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect lifting motor (front) connector.
3. Turn ignition switch ON.
4. Perform "Active test" ("SEAT LIFTER FR") with CONSULT.
5. Check voltage between lifting motor (front) harness connector and ground.

   (+)		(-)	Condition		Voltage (V)
   Lifting motor (front)
   Connector	Terminal
   B607	40	Ground	SEAT LIFTER FR	OFF	0 - 1
   				UP	9 - 16
   				DWN (DOWN)	0 - 1
   	36			OFF	0 - 1
   				UP	0 - 1
   				DWN (DOWN)	9 - 16

Is the inspection result normal?

YES 

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

NO 

GO TO STEP 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 (front) harness connector.

   Driver seat control unit		Lifting motor (front)		Continuity
   Connector	Terminal	Connector	Terminal
   B602	40	B607	40	Existed
   	36		36

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

   Driver seat control unit		Ground	Continuity
   Connector	Terminal
   B602	40		Not existed
   	36

Is the inspection result normal?

YES 

Replace driver seat control unit. Refer to REMOVAL AND INSTALLATION .

NO 

Repair or replace harness or connector.