1. Turn the headlamp switch to the OFF position on the headlamp/instrument panel (IP) dimmer switch.
2. Turn the fog lamp switch to the OFF position.
3. Use a test lamp in order to backprobe the rear window wiper/washer and multi-function switch connector C3 terminal E to ground.

Did the test lamp light?

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Go to Step 2

Go to Step 5

1. Disconnect the rear window wiper/washer and multi-function switch connector C3.
2. Use a test lamp in order to backprobe between the rear window wiper/washer and multi-function switch connector C3 terminal E and ground.

Did the test lamp light?

--

Go to Step 3

Go to Step 4

1. Disconnect the underhood accessory junction block connector C2.
2. Use a test lamp in order to probe the underhood accessory junction block connector C2 terminal E5 and ground.

Did the test lamp light?

--

Go to Step 9

Go to Step 5

1. Replace the rear window wiper/washer and multi-function switch. Refer to Multifunction Switch Assembly Replacement - Instrument Panel
2. Inspect the system.

Is the repair complete?

--

Go to Fog Lights System Check

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Replace the fog lamp relay with a known good relay.

Did the fog lamps turn off?

--

Go to Step 10

Go to Step 6

Disconnect the underhood accessory junction block connector C3.

Does one fog lamp stay on and the other fog lamp turn off?

--

Go to Step 7

Go to Step 8

Repair a short to B+ in CKT 34 for the affected fog lamp.

Is the repair complete?

--

Go to Fog Lights System Check

--

Replace the underhood accessory junction block. Refer to Relay/Fuse Center Replacement

Is the repair complete?

--

Go to Fog Lights System Check

--

Repair a short to B+ in CKT 317.

Is the repair complete?

--

Go to Fog Lights System Check

--

Replace the fog lamp relay.

Is the repair complete?

--

Go to Fog Lights System Check

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