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 LH
Check that heating wire of door mirror defogger LH is heated when turning the rear window defogger switch ON.
Is the inspection result normal? YES >> Door mirror defogger is OK.
NO >> Refer to DEF-28, "Diagnosis Procedure".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to DEF-12, "Wiring Diagram".
1. CHECK POWER SUPPLY CIRCUIT

Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness.
2. CHECK GROUND CIRCUIT

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR DEFOGGER LH
Check door mirror defogger LH.
Refer to DEF-29, "Component Inspection".
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace door mirror. Refer to MIR-22, "Removal and Installation".
4. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to GI-41, "Intermittent Incident".
Is the inspection result normal? YES >> Check the following.
NO >> Repair or replace the malfunctioning parts.
Component Inspection
1. CHECK DOOR MIRROR DEFOGGER LH

Is the inspection result normal? YES >> Inspection End.
NO >> Replace door mirror LH. Refer to MIR-22, "Removal and Installation".
Rear window defogger power supply and ground circuit
Passenger side door mirror defoggerDiagnosis system (IPDM E/R)
CONSULT Function (IPDM E/R)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with IPDM E/R.
Direct Diagnostic Mode
Description
Ecu Identification
The IPDM E/R part number is displayed.
Self Diagnostic Result
The IPDM E/R sel ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Workflow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW CUSTOMER
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.SYMPTOM CHECK
Verify symptoms.
...
Key switch signal circuit (without intelligent key)
Description
Transmits a key switch signal to the BCM.
Component Function Check
1. CHECK BCM INPUT SIGNAL
Select "Data Monitor" for "BCM" and check the "KEY ON SW" monitor value.
Is the inspection result normal?
YES >> Inspection End.
NO >> Refer ...