GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Interior Lights Schematics

1

Did you review the vanity lamps operation and perform the necessary inspections?

Go to Step 2

Go to Interior Lighting Systems Description and Operation

2

Verify that the vanity mirror lamps are always on.

Do the vanity mirror lamps operate normally?

Go to Testing for Electrical Intermittents in Wiring Systems

Go to Step 3

3

Replace the sunshade assembly. Refer to Sunshade Replacement in interior trim.

Did you complete the repair?

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2