GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Inspect the right high beam headlamp bulbs for damage or an open filament.
  2. Inspect the right high beam headlamp connector seals for damage or a poor connection.

Are the headlamps bulbs and connectors OK?

--

Go to Step 2

Go to Step 7

2

  1. Turn the headlamp switch to the HEAD position.
  2. Turn the headlamp dimmer switch to the HIGH position.
  3. Using a test light, backprobe between the right high beam headlamp harness connector terminal A and ground.

Does the test light illuminate?

--

Go to Step 4

Go to Step 3

3

Repair the poor connection or an open in circuit 11 between S103 and the right high beam headlamp harness connector terminal A.

Has the repair been made?

--

Go to Headlight System Check

--

4

Using a test light, backprobe between the right high beam headlamp harness connector terminal A and terminal B.

Does the test light illuminate?

--

Go to Step 6

Go to Step 5

5

Inspect for a poor connection or an open in circuit 593.

Is there a poor connection or an open in circuit 593?

--

Go to Step 8

Go to Step 9

6

Replace the right high beam headlamp. Refer to Headlamp Replacement .

Has the repair been made?

--

Go to Headlight System Check

--

7

Replace the damaged component.

Has the repair been made?

--

Go to Headlight System Check

--

8

Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement .

Has the repair been made?

--

Go to Headlight System Check

--

9

Repair the poor connection or an open in circuit 593.

Has the repair been made?

--

Go to Headlight System Check

--