On Is Not Displayed When Pressing Rear Window Defogger Switch But It Is Operated

ON IS NOT DISPLAYED WHEN PRESSING REAR WINDOW DEFOGGER SWITCH BUT IT IS OPERATED


Diagnosis Procedure

1.CHECK AV CONTROL UNIT FUNCTION
Check that the AV control unit is operating normally.
Base audio without navigation Base Audio.
Bose audio without navigation Without Navigation.
Bose audio with navigation With Navigation.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace the malfunctioning parts.
2.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES - Check intermittent incident. Intermittent Incident .
NO - GO TO 1.