Description
Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up.
Component Function Check
1. CHECK REAR WINDOW DEFOGGER
Check that the heating wire of rear window defogger is heated when turning the rear window defogger switch ON.
Diagnosis Procedure
1. CHECK POWER SUPPLY CIRCUIT


2. CHECK GROUND CIRCUIT


3. CHECK HARNESS CONTINUITY 1


4. CHECK HARNESS CONTINUITY 2


5. CHECK FILAMENT
Check filament.
6. CHECK INTERMITTENT INCIDENT
Check intermittent incident
Component Inspection
1. CHECK FILAMENT
Check the filament for damage or open circuits.
Rear window defogger relay
Driver side door mirror defoggerFront fog lamp
Exploded View
Front bumper fascia
Front fog lamp
Front fog lamp bracket
Clip
Spring nuts
Removal and Installation
FRONT FOG LAMP
Removal
Remove the front bumper fascia. Refer to EXT-16, "Removal and
Installation".
Disconnect the harness connector from the fog lam ...
Combination meter
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE:
* The monitor will indicate "OFF" even though
the brake warning lamp is on if either of the following conditions exist:
The parking brake is engaged
The brake fluid level is low
TERMINAL LAYOUT
PHYSICAL VALUES
...
Combination switch input circuit
Diagnosis Procedure
1. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
Turn the ignition switch OFF.
Disconnect the BCM and combination switch.
Check continuity between BCM harness connector and combination
switch harness connector.
2. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
...