DRIVER SIDE: Diagnosis Procedure

CHECK ENCODER SIGNAL

Turn ignition switch ON.

Check signal between power window main switch harness connector and ground with oscilloscope.

Signal name	(+)		(-)	Signal (Reference value)
	Power window main switch
	Connector	Terminal
Encoder signal 1	D5	11	Ground	Refer to following signal
Encoder signal 2	D5	12	Ground	Refer to following signal

Fig 1: Encoder Signal Voltage Output Waveform

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

NO: GO TO 2.

CHECK ENCODER SIGNAL CIRCUIT

Turn ignition switch OFF.
Disconnect power window main switch connector and front power window motor (driver side) connector.

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	Continuity
D5	11	D7	5	Existed
D5	12	D7	6	Existed

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

Power window main switch		Ground	Continuity
Connector	Terminal
D5	11		Not existed
	12

Is the inspection result normal?

YES: GO TO 3.

NO: Repair or replace harness.

CHECK ENCODER POWER SUPPLY

Connect power window main switch connector.
Turn ignition switch ON.

Check voltage between front power window motor (driver side) harness connector and ground.

(+)		(-)	Voltage (V) (Approx.)
Front power window motor (driver side)
Connector	Terminal
D7	2	Ground	12

Is the inspection result normal?

YES: GO TO 5.

NO: GO TO 4.

CHECK ENCODER POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect power window main switch connector.

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	Continuity
D5	3	D7	2	Existed

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

Power window main switch		Ground	Continuity
Connector	Terminal
D5	3		Not existed

Is the inspection result normal?

YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

NO: Repair or replace harness.

CHECK GROUND CIRCUIT 1

Turn ignition switch OFF.

Check continuity between front power window motor (driver side) harness connector and ground.

Front power window motor (driver side)		Ground	Continuity
Connector	Terminal
D7	4		Existed

Is the inspection result normal?

YES: Replace front power window motor (driver side). Refer to "REMOVAL AND INSTALLATION ".

NO: GO TO 6.

CHECK GROUND CIRCUIT 2

Disconnect power window main switch connector.

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	Continuity
D5	10	D7	4	Existed

Is the inspection result normal?

YES: GO TO 7.

NO: Repair or replace harness.

CHECK GROUND CIRCUIT 3

Check continuity between power window main switch terminals.

Power window main switch			Continuity
Connector	Terminal		Continuity
D5	7	10	Existed

Is the inspection result normal?

YES: GO TO 8.

NO: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".

: INSPECTION END