Both Doors Mirror Defogger Do Not Operate But Rear Window Defogger Operates

BOTH DOORS MIRROR DEFOGGER DON'T OPERATE BUT REAR WINDOW DEFOGGER OPERATES





Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1. CHECK DOOR MIRROR DEFORGGER FUSE
Check if the following fuse in fuse block (J/B) is blown.





Is the inspection result normal?
YES - GO TO 2
NO - Replace the blown fuse after repairing the affected circuit.
2. CHECK DOOR MIRROR DEFORGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) harness connector M5 and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Replace fuse block (J/B).
3. CHECK BOTH DOOR MIRROR DEFOGGER
1. Check door mirror LH. Driver Side Door Mirror Defogger.
2. Check door mirror RH. Passenger Side Door Mirror Defogger.
Is the inspection result normal?
YES - Check intermittent incident. Intermittent Incident.
NO - Repair or replace the malfunctioning parts.