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.
- Without navigation system. Refer to Bose Audio.
- With navigation (single monitor) system. Refer to Navigation (Single Monitor).
- With navigation (twin monitor) system. Refer to Navigation (Twin Monitor).
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. Refer to Intermittent Incident.
NO - GO TO 1.