Interior Lamps System Check. Cadillac DeVille 1998

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 1998 🢒 DeVille 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Interior Lamps System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

All of the courtesy lamps are OFF.

Press the UNLOCK button on the keyless entry transmitter.

All of the courtesy lamps light and remain lit for 20 seconds.

Open and close each door one at a time.

•	All of the courtesy lamps light with the door open.

•	All of the courtesy lamps turn OFF 20 seconds after the doors are closed.

•	Courtesy Lamps Inoperative with Doors Open - Left Side Front

•	Courtesy Lamps Inoperative with Doors Open - Right Side Front

•	Courtesy Lamps Inoperative with Doors Open - Left Side Rear

•	Courtesy Lamps Inoperative with Doors Open - Right Side Rear

Manually unlock each front door using a key, one at a time.

All of the courtesy lamps light and remain lit for 20 seconds.

•	Courtesy Lamps Inoperative with Unlock of Left Front Door

•	Courtesy Lamps Inoperative with Unlock of Right Front Door

Place the interior lamps switch in the ON position.

All of the courtesy lamps light.

Place the interior lamps switch in the OFF position.

All of the courtesy lamps turn OFF.

•	All of the vanity mirror lamps light.

•	Each vanity mirror dims and brightens as the switch is operated.

Open the IP compartment.

The IP compartment lamp lights.

Open the rear compartment lid.

The rear compartment lamp lights.

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.