Schematic Reference: Interior Lights Schematics

Connector End View Reference: Lighting Systems Connector End Views or Data Communication Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Turn ON the vanity mirror lamp.

Does the system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Are all of the reading, visor, and the underhood lamp inoperative?

Go to Step 4

Go to Step 5

Test the inadvertent power supply voltage circuit of the BCM for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs.

Did you find and correct the condition?

Go to Step 12

Go to Step 8

Test the inadvertent power supply voltage circuit of the vanity lamp for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs.

Did you find and correct the condition?

Go to Step 12

Go to Step 6

Test the ground circuit of the vanity lamp for high resistance or an open. Refer to Circuit Testing and Wiring Repairs.

Did you find and correct the condition?

Go to Step 12

Go to Step 7

Inspect the inoperative bulb for an open filament.

Is the bulb OK?

Go to Step 10

Go to Step 9

Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs.

Did you find and correct the condition?

Go to Step 12

Go to Step 11

Replace the inoperative bulb. Refer to Sunshade Illuminated Mirror Lamp Bulb Replacement .

Did you complete the replacement?

Go to Step 12

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Replace the sunshade. Refer to Sunshade Replacement.

Did you complete the replacement?

Go to Step 12

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Replace the BCM. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 12

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3