GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Lighting Systems Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Turn ON the ignition, with the engine OFF.
  2. Turn On the appropriate turn signal.
  3. Disconnect the cornering lamp bulb.
  4. Connect a test lamp between the cornering lamp feed circuit and a good ground.

Did the test lamp illuminate?

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Go to Step 3

Go to Step 6

3

Connect a test lamp between the cornering lamp feed circuit and the cornering lamp ground circuit.

Did the test lamp illuminate?

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Go to Step 4

Go to Step 7

4

Inspect for poor connections at the cornering lamp connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 8

Go to Step 5

5

Replace the cornering lamp bulb. Refer to Cornering Lamp Bulb Replacement .

Did you complete the replacement?

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Go to Step 8

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6

Repair the open or high resistance in the cornering lamp feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 8

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7

Repair the open in the cornering lamp ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Step 8

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8

Operate the system in order to verify the repair.

Did you find and correct the condition?

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System OK

Go to Step 2