B1660

B1660-FRONT FOG LAMP CONTROL CIRCUIT HIGH





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
- With the Front Fog Lamps activated.
- Set Condition:
- When the TIPM detects a HIGH condition.





Diagnostic Test

1. INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all TIPM DTC's.
Turn the Front Fog Lamps on.
With the Scan Tool read the DTC information.
Does the Scan Tool read: B1660-FRONT FOG LAMP CONTROL CIRCUIT HIGH?

Yes

- Go to 2

No

- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

2. FRONT FOG LAMP BULBS
Turn the ignition off.
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 - VER 1. Body Verification Test

3. (L89)(L90) FRONT FOG LAMP CONTROL CIRCUIT OPEN




Turn the ignition off.
Disconnect the TIPM C11 harness connector.
Disconnect the Left and Right Front Fog Lamp harness connectors.
Measure the resistance of the (L89)(L90) Front Fog Lamp Control circuit.
Is the resistance above 5.0 ohms?

Yes

- Repair the (L89)(L90) Front Fog Lamp Control circuit for an open condition.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go to 4

4. (L89)(L90) FRONT FOG LAMP CONTROL CIRCUIT SHORTED TO VOLTAGE




Turn the ignition off.
Disconnect the TIPM C11 harness connector.
Disconnect the Left and Right Front Fog Lamp harness connectors.
Turn the ignition on.
Measure for voltage on the (L89)(L90) Front Fog Lamp Control circuit.
Is the voltage above 10.0 volts?

Yes

- Repair the (L89)(L90) Front Fog Lamp Control circuit for a short to voltage condition.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace the Totally Integrated Power Module (TIPM).
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test