Schematic Reference: Interior Lights Schematics

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Do the reading lamps operate properly with the lamp switches?

Go to Step 7

Go to Step 3

Is only one reading lamp inoperative?

Go to Step 4

Go to Step 5

1. Inspect the power supply, ground circuit, and switch for a poor connection or an open in the inoperative lamp circuit. Refer to Circuit Testing .
2. Repair the poor connection or open in the inoperative lamp circuit. Refer to Wiring Repairs .
3. If no fault is found, replace the inoperative lamp.

Did you complete the repair?

Go to Step 11

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1. Disconnect the reading lamp switch connector.
2. Test for a high resistance or an open in the ground circuit at the reading lamp switch connector. Refer to Circuit Testing and Wiring Repairs .

Is ground present?

Go to Step 6

Go to Step 8

Test for a high resistance or an open in the inadvertent power control circuit between the reading lamp assembly and the body control module (BCM). Refer to Circuit Testing and Wiring Repairs .

Was a condition found and corrected?

Go to Step 11

Go to Step 9

Test for a high resistance or an open in the interior control circuit between the reading lamp assembly and the BCM. Refer to Circuit Testing and Wiring Repairs .

Was a condition found and corrected?

Go to Step 11

Go to Step 10

Repair the open in the ground circuit for the reading lamp switch. Refer to Wiring Repairs .

Did you complete the repair?

Go to Step 11

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Replace the reading lamp assembly.

Did you complete the repair?

Go to Step 11

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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 11

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3