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 >> Refer to DEF-30, "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 PASSENGER SIDE DOOR MIRROR DEFOGGER
Check door mirror defogger RH.
Refer to DEF-31, "Component Inspection".
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace door mirror RH. 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 RH

Is the inspection result normal? YES >> Inspection End.
NO >> Replace door mirror RH. Refer to MIR-22, "Removal and Installation".
Driver side door mirror defoggerECU diagnosis information
FRONT AIR CONTROL
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one by one
based on the following priority
chart.
Priority
Detected items (DTC)
1
...
P0603, P062F ECM
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0603
ECM BACK UP/CIRCUIT
[Internal Control Module Keep Alive Memory
(KAM) Error]
ECM buck up system does not function properly.
P062F
...
Rear window defogger switch
WITH MANUAL A/C
WITH MANUAL A/C : Description
The rear window defogger is operated by pressing the rear window
defogger switch ON.
The indicator lamp in the rear window defogger switch illuminates
while the rear window defogger is ON.
WITH MANUAL A/C : Component Function Check
...