Schematic Reference: Interior Lights Dimming Schematics

Connector End View Reference: Master Electrical Component List

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Turn the headlamp switch to the OFF position.
2. Close all doors.

Are all of the courtesy lamps OFF?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Disconnect the body control module (BCM) connector C3.

Do the I/P courtesy lamps turn OFF?

Go to Step 4

Go to Step 5

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

Did you complete the replacement?

Go to Step 6

Repair a short to ground in the courtesy lamp low control circuit. Refer to Circuit Testing and Wiring Repairs .

Did you complete the repair?

Go to Step 6

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3