Diagnosis Procedure

DOOR MIRROR DEFOGGER RH


Description

Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.




DOOR MIRROR DEFOGGER RH


Diagnosis Procedure

1. CHECK POWER SUPPLY
Check if the following fuse in the IPDM E/R is blown.





Is the inspection result normal?
YES - GO TO 2
NO - If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.





2. Check voltage between IPDM E/R harness connector E120 terminal 23 and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Replace IPDM E/R. Refer to Service and Repair.
3. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect door mirror RH.
3. Turn ignition switch ON.
4. Check voltage between door mirror RH harness connector D107 terminal 1 and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace harness.
4.CHECK DOOR MIRROR DEFOGGER CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect IPDM E/R.
3. Check continuity between IPDM E/R harness connector E120
(A) terminal 23 and door mirror RH harness connector D107 (B) terminal 1.





4. Check continuity between IPDM E/R harness connector D120 terminal 23 and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace harness.
5. CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT





Check continuity between door mirror RH harness connector D107 terminal 6 and ground.

6 - Ground : Continuity should exist.

Is the inspection result normal?
YES - GO TO 6
NO - Repair or replace harness.
6. CHECK DOOR MIRROR DEFOGGER RH
Check door mirror defogger RH.
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 7
NO - Replace door mirror. Refer to Door Mirror Assembly.
7. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to Intermittent Incident.
Is the inspection result normal?
YES - Check the following.
- Battery power supply circuit
- IPDM E/R
NO - Repair or replace the malfunctioning parts.