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 appropriate roof rail courtesy/reading lamp in the ON position.

Does the roof rail courtesy/reading lamp operate properly?

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

Go to Step 3

Does the courtesy lamp function of the inoperative roof rail courtesy/reading lamp operate properly?

Go to Step 4

Go to Courtesy Lamps Inoperative

1. Disconnect the appropriate roof rail courtesy/reading lamp switch.
2. Probe the ground circuit of the roof rail courtesy/reading lamp switch with a test lamp that is connected to battery positive 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 roof rail courtesy/reading 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 appropriate roof rail courtesy/reading lamp switch. Refer to Roof Side Rail Lamp 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