Schematic Reference: Interior Lights Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

1

Did you review the dome lamp description and operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Lighting Systems

1. Place the I/P lamps dimmer switch in the dome lamp ON position.
2. Open all of the doors.

Does the dome lamp illuminate?

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

Go to Step 3

1. Disconnect the inoperative dome lamp bulb.
2. Connect a test lamp between the battery positive voltage circuit of the inoperative dome lamp bulb and the courtesy lamp low control circuit of the inoperative dome lamp bulb.

Does the test lamp illuminate?

Go to Step 5

Go to Step 4

Test the battery positive voltage circuit of the dome lamp for an open, high resistance, or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 8

Go to Step 6

Inspect for poor connections at the inoperative dome lamp bulb. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Go to Step 8

Go to Step 7

Repair an open or a high resistance in the courtesy lamp low control circuit of the dome lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 8

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Replace the inoperative dome lamp bulb . Refer to Dome and Reading Lamp Bulb Replacement .

Did you complete the replacement?

Go to Step 8

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3