B1661

B1661-FRONT FOG LAMP CONTROL CIRCUIT OPEN







- When Monitored:
With the Front Fog Lamps active.

- Set Condition:
When the Totally Integrated Power Module (TIPM) detects an open condition.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all TIPM DTCs.
3. Turn the Front Fog Lamps on.
4. With the scan tool read the DTC information.

Does the scan tool display B1661-FRONT FOG LAMP CONTROL CIRCUIT OPEN?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. FRONT FOG LAMP BULBS
1. Turn the ignition off.
2. Inspect the Left and Right Front Fog Lamp Bulb Assemblies.

Are the inoperative bulbs OK?

Yes

- Go To 3

No

- Replace the inoperative bulb(s).
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. (L89) AND (L90) FRONT FOG LAMP CONTROL CIRCUITS OPEN




1. Disconnect the TIPM C11 harness connector.
2. Disconnect the Left and Right Front Fog Lamp harness connectors.
3. Measure the resistances of the (L89) and (L90) Front Fog Lamp Control circuits.

Are the resistances above 5.0 Ohms?

Yes

- Repair the open in the (L89) and (L90) Front Fog Lamp Control circuits.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the TIPM.
- Perform the BODY VERIFICATION TEST. Body Verification Test.