B2314

B2314-WIPER ON/OFF CONTROL CIRCUIT HIGH





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

- When Monitored:
With the ignition on.

- Set Condition:
When the Front Control Module (FCM) detects a high condition in the wiper on/off control circuit.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all Front Control Module (FCM) DTCs.
3. Turn the Wipers ON then OFF.
4. With the scan tool, read the Wiper DTCs.

Does the scan tool read: B2314-WIPER ON/OFF 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. Body Verification Test.

2. WIPER ON/OFF RELAY
1. Turn the ignition off.
2. Remove the Wiper On/Off Relay.
3. Turn the ignition on.
4. Activate the Wiper Switch to all speed positions.
5. With the scan tool, read the DTCs.

Does the scan tool read: B2314-WIPER ON/OFF CONTROL CIRCUIT HIGH?

Yes

- Replace the Wiper On/Off Relay.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. FRONT CONTROL MODULE (FCM)
1. Turn the ignition off.
2. Remove the Wiper On/Off Relay.
3. Disconnect the 49 way FCM IPM harness connector.
4. Measure the voltage between ground and the Wiper On/Off Relay Control circuit in the 49 way FCM IPM harness connector.

Is there any voltage present?

Yes

- Replace the Power Distribution Center.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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