Schematic Reference: Fog Lights Schematics

Did you perform the Lighting System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Turn the ignition ON.
2. Shift the gear selector lever to the REVERSE position.

Do the backup lamps turn ON?

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

Go to Step 3

1. Remove the backup lamps relay.
2. Connect a test lamp between the battery positive supply voltage circuit of the switched side of the backup lamp relay and ground.

Does the test lamp illuminate?

Go to Step 4

Go to Step 8

Connect a fused jumper across the switched side of the backup lamps relay at the RH I/P accessory wiring junction block.

Do the backup lamps turn on?

Go to Step 7

Go to Step 5

Test for a short to ground in the backup lamps supply voltage circuit. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 6

Repair a high resistance or an open in the backup lamps supply voltage circuit. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 9

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Replace the backup lamp relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 9

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Replace the RH I/P fuse block. Refer to Instrument Panel Electrical Center or Junction Block Replacement - Right Side in Wiring Systems.

Did you complete the replacement?

Go to Step 9

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2