Nissan Rogue Service Manual: Encoder circuit

Description

Detects condition of the front power window motor LH operation and transmits to main power window and door lock/unlock switch as pulse signal.

Component Function Check

1.CHECK ENCODER OPERATION

Check front driver side door glass perform AUTO open/close operation normally when main power window and door lock/unlock switch.

Is the inspection result normal? YES >> Encoder operation is OK.

NO >> Refer to PWC-45, "Diagnosis Procedure"

Diagnosis Procedure

Encoder Circuit Check

1.CHECK ENCODER OPERATION

1.  Turn ignition switch ON.
2.  Check signal between main power window and door lock/unlock switch harness connector and ground with oscilloscope.

Is the inspection result normal? YES >> GO TO 7.

NO >> GO TO 2.

2.CHECK ENCORDER SIGNAL CIRCUIT

1.  Turn ignition switch OFF.
2.  Disconnect main power window and door lock/unlock switch connector and front power window motor LH connector.
3.  Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.

4. Check continuity between main power window and door lock/unlock switch harness connector and ground.

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness.

3.CHECK ENCORDER POWER SUPPLY CIRCUIT

1.  Connect main power window and door lock/unlock switch connector.
2.  Turn ignition switch ON.
3.  Check voltage between front power window motor LH harness connector and ground.

Is the inspection result normal? YES >> GO TO 4.

NO >> GO TO 5.

4.CHECK GROUND CIRCUIT

1.  Turn ignition switch OFF.
2.  Check continuity between front power window motor LH harness connector and ground.

Is the inspection result normal? YES >> GO TO 7.

NO >> GO TO 6.

5.CHECK HARNESS CONTINUITY 1

1.  Turn ignition switch OFF.
2.  Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.

3. Check continuity between main power window and door lock/unlock switch harness connector and ground.

Is the inspection result normal? YES >> Replace main power window and door lock/unlock switch. Refer to PWC-65, "Removal and Installation".

NO >> Repair or replace harness.

6.CHECK HARNESS CONTINUITY 2

1.  Disconnect main power window and door lock/unlock switch connector.
2.  Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.

Is the inspection result normal? YES >> Replace main power window and door lock/unlock switch. Refer to PWC-65, "Removal and Installation".

NO >> Repair or replace harness.

7.CHECK INTERMITTENT INCIDENT

Refer to GI-41, "Intermittent Incident".

>> Inspection End.