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For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Fog Lamps Inoperative - One

Fog Lamps Inoperative - One RH Fog Lamp Inoperative

Step

Action

Value(s)

Yes

No

1

Did you perform the Fog Lights System Check?

--

Go to Step 2

Go to Fog Lights System Check

2
  1. Disconnect the RH fog lamp connector.
  2. Use the DMM to measure the voltage between terminal 1 of the RH fog lamp connector and a known good ground.

Is the measured voltage within the specified value?

B+

Go to Step 4

Go to Step 3

3
  1. Locate an open or a high resistance in circuit FP3.
  2. Repair the open or the high resistance in circuit FP3.

Is the repair complete?

--

Go to Step 7

--

4

Use the DMM to measure the resistance between terminal 2 of the RH fog lamp connector and a known good ground.

Is the measured resistance less than he specified value?

5 ohms

Go to Step 6

Go to Step 5

5
  1. Locate an open or a high resistance in circuit F4.
  2. Repair the open or the high resistance in circuit F4.

Is the repair complete?

--

Go to Step 7

--

6

Replace the RH fog lamp. Refer to Front Fog Lamp Bulb Replacement in Lighting Systems.

Is the replacement complete?

--

Go to Step 7

--

7
  1. Connect all connectors and components that were disconnected.
  2. Verify that the RH fog lamp operates properly.

Does the RH fog lamp operate properly?

--

Go to Fog Lights System Check

Go to Step 1

Fog Lamps Inoperative - One LH Fog Lamp Inoperative

Step

Action

Value(s)

Yes

No

1

Did you perform the Fog Lights System Check?

--

Go to Step 2

Go to Fog Lights System Check

2
  1. Disconnect the LH fog lamp connector.
  2. Use the DMM to measure the voltage between terminal 1 of the LH fog lamp connector and a known good ground.

Is the measured voltage within the specified value?

B+

Go to Step 4

Go to Step 3

3
  1. Locate an open or a high resistance in circuit FP2.
  2. Repair the open or the high resistance in circuit FP2.

Is the repair complete?

--

Go to Step 7

--

4

Use the DMM to measure the resistance between terminal 2 of the LH fog lamp connector and a known good ground.

Is the measured resistance less than the specified value?

5 ohms

Go to Step 6

Go to Step 5

5
  1. Locate an open or a high resistance in circuit F3.
  2. Repair the open or the high resistance in circuit F3.

Is the repair complete?

--

Go to Step 7

--

6

Replace the LH fog lamp. Refer to Front Fog Lamp Bulb Replacement in Lighting Systems.

Is the replacement complete?

--

Go to Step 7

--

7
  1. Connect all connectors and components that were disconnected.
  2. Verify that the LH fog lamp operates properly.

Does the LH fog lamp operate properly?

--

Go to Fog Lights System Check

Go to Step 1