Door Mirror Defogger RH

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.


Component Function Check


1. CHECK DOOR MIRROR DEFOGGER RH

Check that the heating wire of door mirror defogger RH is heated when turning the rear window defogger switch ON.
Is the inspection result normal?
YES- Door mirror defogger RH is OK.
NO- .


Diagnosis Procedure

Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

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 connector E120 terminal 23
and ground.





Is the inspection result normal?
YES- GO TO 3
NO- Replace IPDM E/R. 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 terminal 1 and ground.
WITHOUT AUTOMATIC DRIVE POSITIONER










WITH AUTOMATIC DRIVE POSITIONER





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 connector E120 (A) terminal 23 and door mirror RH harness connector (B) terminal 1.
WITHOUT AUTOMATIC DRIVE POSITIONER





WITH AUTOMATIC DRIVE POSITIONER





4.Check continuity between IPDM E/R connector E120 (A) 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
(without ADP) D118 (with ADP) 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.
.
Is the inspection result normal?
YES- GO TO 7
NO- Replace door mirror. Door Mirror Assembly.

7. CHECK INTERMITTENT INCIDENT

Check intermittent incident.
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.


Component Inspection


1. CHECK DOOR MIRROR DEFOGGER






Check continuity between door mirror RH terminals 1 and 6.
1 - 6: Continuity should exist.
Is the inspection result normal?
YES- Check the condition of the harness and the connector.
NO- Replace malfunctioning door mirror RH. Door Mirror Assembly.