Important: Check for inoperative bulb before beginning diagnostic procedure.

Did you perform the Lighting Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Disconnect C201.
2. With DMM, check for continuity in CKT 1201 (DK BLU) between cavity C of both headlamps and cavity E12 of C201.

Is continuity present?

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Go to Step 4

Go to Step 3

Locate and repair OPEN in CKT 1201 (DK BLU).

Is the repair complete?

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Go to Step 11

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With DMM, check for continuity in cavity E12 and cavity E13 of C201 (steering column side of connector).

Is continuity present?

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Go to Step 8

Go to Step 5

Check for an OPEN in the following two CKT's located in the steering column harness.

Did you find an OPEN?

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Go to Step 7

Go to Step 6

Replace the steering column multi-function switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Is the repair complete?

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Go to Step 11

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Repair the OPEN of the faulty CKT.

Is the repair complete?

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Go to Step 11

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1. Remove DRL relay.
2. Check for continuity of pins 87A and 30 of the DRL relay.

Is continuity present?

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Go to Step 10

Go to Step 9

Replace the DRL relay.

Is the repair complete?

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Go to Step 11

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Locate and repair OPEN in one of the following two CKT's:

Is the repair complete?

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Go to Step 11

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2