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
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-35, "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 door mirror defogger lh
Check door mirror defogger lh.
Refer to def-36, "component inspection".
Is the inspection result normal? Yes >> go to 4.
No >> replace door mirror. 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 lh

Is the inspection result normal? Yes >> inspection end.
No >> replace door mirror lh. Refer to mir-18, "door mirror assembly : removal and installation".
Rear window defogger power supply and ground circuit
Passenger side door mirror defoggerHow to select piston and bearing
Description
Selection points
Selection parts
Selection items
Selection methods
Between cylinder block and
crankshaft
Main bearing
Main bearing grade (bearing
thickness)
Determined by match of cylinder
block bearing housing
grade (inner diameter of hous ...
Basic inspection
Diagnosis and repair workflow
Trouble diagnosis flow chart
Trouble diagnosis procedure
Interview with customer
Interview with the customer is important to detect the root cause of can
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosi ...
The steering switch (meter control switch) is inoperative
Description
If any of the following malfunctions is found for the steering switch (meter
control switch) operation.
All switches are inoperative
The specified switch cannot be operated
Diagnosis procedure
1.Check steering switch signal circuit
Check the steering switch signal circuit. ...