Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect front power window motor (driver side) connector.
3. Turn ignition switch ON.
4. Check voltage between front power window motor (driver side) harness connector and ground.

   (+)		(-)	Condition		Voltage (V) (Approx.)
   Front power window motor (driver side)
   Connector	Terminal
   D10	1	Ground	Power window main switch	NEUTRAL	0
   				DOWN	12
   	2			NEUTRAL	0
   				UP	12

Is the measurement value within the specification?

YES 

Replace front power window motor (driver side).

NO 

GO TO STEP 2  .

1. Turn ignition switch OFF.
2. Disconnect power window main switch connector.
3. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.

   Power window main switch		Front power window motor (driver side)		Continuity
   Connector	Terminal	Connector	Terminal
   D8	8	D10	2	Existed
   	11		1

4. Check continuity between power window main switch harness connector and ground.

   Power window main switch		Ground	Continuity
   Connector	Terminal
   D8	8		Not existed
   	11

Is the inspection result normal?

YES 

Replace power window main switch.

NO 

Repair or replace harness.