Schematic Reference: Interior Lights Schematics

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

Place the rear view mirror lamp switch in the ON position.

Does the rear view mirror lamp operate properly?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Does the courtesy lamp function of the inoperative rear view mirror lamp operate properly?

Go to Step 4

Go to Courtesy Lamps Inoperative

1. Disconnect the rear view mirror switch.
2. Probe the ground circuit of the rear view mirror lamp switch with a test lamp that is connected to battery voltage

Does the test lamp illuminate?

Go to Step 6

Go to Step 5

Repair an open or high resistance in the ground circuit of the rear view mirror lamp switches. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you correct the condition?

Go to Step 7

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Replace the rear view mirror. Refer to Rear View Mirror Replacement .

Did you complete the replacement?

Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2