CAUTION: Before performing the diagnosis, check that the following are normal.
1.CHECK INTERIOR ROOM LAMP CONTROL FUNCTION
CONSULT
1. Switch the map lamp switch or interior room lamp switch to DOOR.
2. Turn ignition switch ON.
3. Select INT LAMP of BCM (INT LAMP) ACTIVE TEST item.
4. While operating the test items, check that each interior room lamp turns ON/OFF.
On : Interior room lamp gradual brightening
Off : Interior room lamp gradual dimming
Does the interior room lamp turns ON/OFF (gradual brightening/dimming)?
YES >> Interior room lamp control circuit is normal.
NO >> Refer to INL "Diagnosis Procedure".