GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Interior Lights Schematics

Connector End View Reference: Lighting Systems Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2

  1. Close all of the doors.
  2. Turn ON the ignition, with the engine OFF.
  3. Place the appropriate reading lamp switch in the OFF position.

Does the reading lamp remain illuminated?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

3

Are there 2 or more reading lamps that remain illuminated?

Go to Courtesy Lamps Always On

Go to Step 4

4

Is the reading lamp located in the overhead console?

Go to Step 6

Go to Step 5

5

Replace the appropriate reading lamp switch. Refer to Roof Rail Rear Courtesy Lamp Switch Replacement .

Did you complete the replacement?

Go to Step 7

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6

Replace the overhead console. Refer to Roof Console Replacement in Interior Trim.

Did you complete the replacement?

Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2