ENCODER
DRIVER SIDE : 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.
ENCODER
DRIVER SIDE : Diagnosis Procedure
Encoder Circuit Check
- CHECK ENCODER OPERATION
- Connect front power window motor LH.
- Turn ignition switch ON.
- Check signal between main power window and door lock/unlock switch connector and ground with oscilloscope.
Is the Inspection result normal?
YES >> Check intermittent incident. Refer to See: Testing and Inspection\Initial Inspection and Diagnostic Overview\Service Information For Electrical Incident\Intermittent Incident.
NO >> GO TO 2
- CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY
- Turn ignition switch ON.
- Check voltage between front power window motor LH connector and ground.
Is the measurement value within the specification?
YES >> GO TO 4
NO >> GO TO 3
- CHECK HARNESS CONTINUITY 1
- Turn ignition switch OFF.
- Disconnect main power window and door lock/unlock switch and front power window motor LH.
- Check continuity between main power window and door lock/unlock switch connector (A) and front power window motor connector (B).
- Check continuity between main power window and door lock/unlock switch connector (A) and ground.
Is the Inspection result normal?
YES >> Replace main power window and door lock/unlock switch. Refer to See: Power Window Switch\Service and Repair\LH Only Anti-Pinch-Sedan. After that, refer to See: Programming and Relearning\Encoder\LH Only Anti-Pinch-Sedan.
NO >> Repair or replace harness.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect front power window motor LH.
- Check continuity between front power window motor LH connector and ground.
Is the Inspection result normal?
YES >> GO TO 6
NO >> GO TO 5
- CHECK HARNESS CONTINUITY 2
- Disconnect main power window and door lock/unlock switch.
- Check continuity between main power window and door lock/unlock switch connector (A) and front power window motor LH connector (B).
Is the Inspection result normal?
YES >> Replace main power window and door lock/unlock switch. Refer to See: Power Window Switch\Service and Repair\LH Only Anti-Pinch-Sedan. After that, refer to See: Programming and Relearning\Encoder\LH Only Anti-Pinch-Sedan, See: Programming and Relearning\Power Window Motor\Driver Side\LH Only Anti-Pinch-Sedan.
NO >> Repair or replace harness.
- CHECK HARNESS CONTINUITY 3
- Disconnect main power window and door lock/unlock switch.
- Check continuity between main power window and door lock/unlock switch connector (A) and front power window motor LH connector (B).
- Check continuity between main power window and door lock/unlock switch connector (A) and ground.
Is the Inspection result normal?
YES >> Replace front power window motor LH. Refer to See: Front Door Window Regulator\Service and Repair\Removal and Replacement. After that, refer to See: Programming and Relearning\Encoder\LH Only Anti-Pinch-Sedan.
NO >> Repair or replace harness.
|