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-37, "diagnosis procedure".
Diagnosis procedure
Regarding Wiring Diagram information, refer to DEF-20, "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-38, "component inspection".
Is the inspection result normal? Yes >> go to 4.
No >> replace door mirror rh. Refer to mir-18, "door mirror assembly : removal and installation".
4. Check intermittent incident
Check intermittent incident.
Refer to gi-39, "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-18, "DOOR MIRROR ASSEMBLY : Removal and Installation".
Driver side door mirror defogger
Rear window defogger feedback signalPrecaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Rear window defogger switch
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.
Component function check
1. Check rear window defogger switch function
Check (Ð ...
Ambient sensor signal circuit
Description
It detects outside air temperature and converts it into a resistance value
which is then input into the combination
meter.
Diagnosis Procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check ambient sensor signal circuit
Turn igniti ...