Diagnosis Procedure

1. Turn ignition switch ON.
2. Check signal between front power window switch (passenger side) harness connector and ground with oscilloscope.

   Signal name	(+)		(-)	Signal (Reference value)
   	Front power window switch (passenger side)
   	Connector	Terminal
   Encoder signal 1	D25	12	Ground	Refer to following signal
   Encoder signal 2		15

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Is the inspection result normal?

YES

Replace front power window switch (passenger side). Refer to POWER WINDOW MAIN SWITCH : Removal & Installation .

NO

GO TO 2.

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

   Front power window switch (passenger side)		Front power window motor (passenger side)		Continuity
   Connector	Terminal	Connector	Terminal
   D25	12	D27	5	Existed
   	15		6

4. Check continuity between front power window switch (passenger side) harness connector and ground.

   Front power window switch (passenger side)		Ground	Continuity
   Connector	Terminal
   D25	12		Not existed
   	15

Is the inspection result normal?

YES

GO TO 3.

NO

Repair or replace harness.

1. Connect front power window switch (passenger side) connector.
2. Turn ignition switch ON.
3. Check voltage between front power window motor (passenger side) harness connector and ground.

   (+)		(-)	Voltage (V) (Approx.)
   Front power window motor (passenger side)
   Connector	Terminal
   D27	2	Ground	12

Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 4.

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

   Front power window switch (passenger side)		Front power window motor (passenger side)		Continuity
   Connector	Terminal	Connector	Terminal
   D25	4	D27	2	Existed

4. Check continuity between front power window switch (passenger side) harness connector and ground.

   Front power window switch (passenger side)		Ground	Continuity
   Connector	Terminal
   D25	4		Not existed

Is the inspection result normal?

YES

Replace front power window switch (passenger side). Refer to POWER WINDOW MAIN SWITCH : Removal & Installation .

NO

Repair or replace harness.

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

   Front power window switch (passenger side)		Front power window motor (passenger side)		Continuity
   Connector	Terminal	Connector	Terminal
   D25	3	D27	4	Existed

Is the inspection result normal?

YES

GO TO 6.

NO

Repair or replace harness.

1. Connect front power window switch (passenger side) connector.
2. Check continuity between front power window switch (passenger side) connector and ground.

   Front power window switch (passenger side)		Ground	Continuity
   Connector	Terminal
   D25	3		Existed

Is the inspection result normal?

YES

Replace front power window motor (passenger side). Refer to FRONT REGULATOR : Removal & Installation .

NO

Replace front power window switch (passenger side). Refer to POWER WINDOW MAIN SWITCH : Removal & Installation .