B172F

B172F REAR POWER WINDOW (LH)





DTC Logic

DTC DETECTION LOGIC

NOTE:
If two or more DTCs are detected, Retractable Hard Top Control Unit, and determine trouble diagnosis order.






DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE-I
1. Turn ignition switch ON.
2. Operate rear power window (LH) to fully open and fully close.
3. Check DTC.
Is DTC detected?
YES - GO TO 2.
NO - INSPECTION END
2. PERFORM DTC CONFIRMATION PROCEDURE-II
1. Turn ignition switch OFF and wait at least 2 minutes.
2. Operate rear power window (LH) to fully open and fully close.
3. Check DTC.
Is DTC detected?
YES - Go to SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK RETRACTABLE HARD TOP CONTROL UNIT OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear power window motor (LH) harness connector.
3. Turn ignition switch ON.
4. Check voltage between rear power window motor (LH) harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace harness.
2.CHECK REAR POWER WINDOW MOTOR (LH) CIRCUIT FOR OPEN AND SHORT
Check rear power window motor (LH). Rear LH.
Is the inspection result normal?
YES - GO TO 3.
NO - Replace rear power window motor (LH). Locations.
3.REPLACE RETRACTABLE HARD TOP CONTROL UNIT
Replace retractable hard top control unit. Service and Repair.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 4.
4.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END