Interior Lamps System Check. Chevrolet Chevy Suburban

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy Suburban - 2WD 🢒 Body and Accessories 🢒 Lighting 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.

•	Courtesy or Dome Lamps Always On

•	Courtesy or Dome Lamps Always On

Place the courtesy lamp switch in ON.

The courtesy lamps turn on.

•	Courtesy or Dome Lamps Inoperative

•	Courtesy or Dome Lamps Inoperative

Open and close each door one at a time.

•	The courtesy lamps turn on for approximately 25 seconds.

•	The courtesy lamps fade out each time.

•	Courtesy or Dome Lamps Always On

•	Courtesy or Dome Lamps Always On

•	Courtesy or Dome Lamps Inoperative

•	Courtesy or Dome Lamps Inoperative

•	Courtesy Lamps Inoperative with Doors Open

Press the unlock button on the keyless entry transmitter.

•	Courtesy lamps turn on for approximately 40 seconds.

•	Courtesy lamps fade out.

•	Courtesy or Dome Lamps Always On

•	Courtesy or Dome Lamps Always On

•	Courtesy or Dome Lamps Inoperative

•	Courtesy or Dome Lamps Inoperative

•	Illuminated Entry Lamps Inoperative

The IP compartment lamp turns on once the compartment is open, then turns off when the compartment is shut.

•	The reading lamps turn on.

•	The sunshade mirrors lamp turn on.

•	The sunshade mirror lamp goes out.

Place the headladlamp switch in the PARK position.

•	The component illumination lamps light.

•	The ashtray lamp lights.

•	Component Illumination Lamps Inoperative

•	Ashtray Courtesy Lamps Inoperative

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