B168F

B168F-FRONT FOG LAMP SWITCH STUCK





For a complete wiring diagram, refer to the Wiring Information. Electrical Diagrams

- When Monitored:
With the Fog Lamps on.

- Set Condition:
When the CCN detects a Fog Lamp Switch Stuck message on the BUS.





1. TEST FOR INTERMITTENT CONDITION

NOTE: Prior to testing, check and inspect that all applicable fuses are functional and working properly.

1. With the scan tool, record and erase DTCs
2. Operate the Fog Lamp Switch several times.
3. Turn the ignition on and wait 30 seconds.
4. With the scan tool, read DTCs.

Does the scan tool display: B168F-FRONT FOG LAMP SWITCH STUCK?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. HEADLAMP SWITCH SHORTED
1. With the scan tool, erase DTCs.
2. Disconnect the Headlamp Switch connector.
3. With the scan tool, read DTCs.

Does the scan tool display: B168F-FRONT FOG LAMP SWITCH STUCK?

No

- Replace the Headlamp Switch.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

Yes

- Go To 3

3. (L307) HEADLAMP SWITCH MUX CIRCUIT SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the Cluster C1 connector.
3. Measure the resistance between ground and the (L307) Headlamp Switch Mux circuit.

Is the resistance below 10000.0 Ohms?

Yes

- Repair the (L307) Headlamp Switch Mux circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. (L307) SWITCH MUX CIRCUIT SHORT TO (L900) SWITCH RETURN CIRCUIT




1. Disconnect the Cluster C2 connector.
2. Measure the resistance between the (L307) Switch Mux circuit and the (L900) Switch Return circuit.

Is the resistance below 10000.0 Ohms?

Yes

- Repair the (L307) Switch Mux circuit for a short to the (L900) Switch Return circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Instrument Cluster.
- Perform the BODY VERIFICATION TEST. Body Verification Test.