Interior Lamps System Check. Chevrolet Alero Export 1999

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Alero Export 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Interior Lamps System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

Place the courtesy lamp switch in OFF.

All of the interior lamps are off.

•	Instrument Panel Lamps Always On

•	All of the interior lamps are on.

Place the courtesy lamp switch in ON.

The courtesy lamps turn on.

Open and close each door one at a time.

•	The courtesy lamps turn on for approximately 10 seconds.

•	The courtesy lamps fade out each time.

•	Courtesy Lamps Inoperative

•	Interior Lamps Inoperative with Left Front Door Open

•	Interior Lamps Inoperative with Right Front Door Open

•	Interior Lamps Inoperative with Right Rear Door Open

•	Interior Lamps Inoperative with Left Rear Door Open

Open the IP compartment.

The IP compartment lamp turns on.

Open the rear compartment.

The rear compartment lamp turns on.

Turn each rearview mirror lamp switch to ON.

The rearview mirror lamps light.

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