GM Service Manual Online
For 1990-2009 cars only

Fog Lamp Indicator Inoperative Pont, Chevy Dom, Gulf States, Japan

Step

Action

Value(s)

Yes

No

1

Did you perform the Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Turn the headlamps on.
  2. Turn the headlamp dimmer switch to the low beam position.
  3. Turn the fog lamp switch on.

Does the fog lamp indicator illuminate?

--

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

Go to Step 3

3

Is the vehicle a Pontiac?

--

Go to Step 4

Go to Step 5

4

Connect a test lamp between the fog lamp switch connector terminals B and G. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 6

Go to Step 7

5

Connect a test lamp between the fog lamp switch connector terminal A and battery voltage. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 6

Go to Step 8

6

Replace the fog lamp switch. Refer to Fog Lamp Switch Replacement .

Did you complete the replacement?

--

Go to Step 9

--

7

Repair a poor connection or an open in the supply voltage circuit of the fog lamp indicator. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 9

--

8

Repair a poor connection or an open in the supply voltage circuit of the on indicator lamp. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 9

--

9

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3

Fog Lamp Indicator Inoperative Front Lamps - Europe

Step

Action

Value(s)

Yes

No

1

Did you perform the Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Turn the headlamps on.
  2. Turn the headlamp dimmer switch to the low beam position.
  3. Turn the fog lamp switch on.

Does the fog lamp indicator illuminate?

--

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

Go to Step 3

3

Connect a test lamp between the front fog lamp switch connector terminal A and battery voltage. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 4

Go to Step 5

4

Replace the front fog lamp switch. Refer to Fog Lamp Switch Replacement .

Did you complete the replacement?

--

Go to Step 6

--

5

Repair a poor connection or an open in the ground circuit of the fog lamp switch indicator lamp. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 6

--

6

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3

Fog Lamp Indicator Inoperative Rear Lamps - Europe

Step

Action

Value(s)

Yes

No

1

Did you perform the Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Turn the headlamps on.
  2. Turn the front fog lamp switch on.
  3. Turn the rear fog lamps switch on.

Does the rear fog lamp indicator illuminate?

--

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

Go to Step 3

3

  1. Leave the headlamps on.
  2. Leave the front foglamps on.
  3. Leave the rear foglamps on.
  4. Connect a test lamp between the rear fog lamp switch connector terminal A and ground. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 4

Go to Step 5

4

Replace the rear fog lamp switch. Refer to Rear Fog Lamp Switch Replacement

Did you complete the replacement?

--

Go to Step 6

--

5

Repair a poor connection or an open in the supply voltage circuit of the indicator lamp. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 6

--

6

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3