B1640

B1640-FRONT RIGHT TURN CONTROL CIRCUIT HIGH





For a complete wiring diagram Refer to the Wiring Information.

- When Monitored:
Continuously

- Set Condition:
When the Front Control Module detects a short to battery on the Control circuit.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. Clear all FCM DTC's
3. Turn the Right Turn Signal on.
4. With the scan tool, read DTC's.

Does the scan tool read: B1640-FRONT RIGHT TURN CONTROL CIRCUIT HIGH?

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. FRONT RIGHT TURN SIGNAL BULB
1. Turn the ignition off.
2. Inspect the Front Right Turn Signal Bulb Assembly.

Is the inoperative bulb OK?

Yes

- Go To 3

No

- Replace the Inoperative bulb.
- Perform the BODY VERIFICATION TEST. Body Verification Test

3. L60 RIGHT TURN SIGNAL CONTROL CIRCUIT




1. Turn the ignition off.
2. Disconnect the FCM C2 connector.
3. Measure the resistance of the (L60) Front Right Turn Signal Control circuit.

Is the resistance above 5.0 ohms?

No

- Repair the (L60) Turn Signal Control circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test

Yes

- Replace the Front Control Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test