Operation CHARM: Car repair manuals for everyone.

B2313






B2313-WIPER ON/OFF CONTROL CIRCUIT LOW





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 low 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: B2313-WIPER ON/OFF CONTROL CIRCUIT LOW?

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. Install a substitute relay in place of the Wiper On/Off Relay.
3. Turn the ignition on.
4. With the scan tool, read the DTCs.

Does the scan tool read: B2313-WIPER ON/OFF CONTROL CIRCUIT LOW?

Yes

- Go To 3

No

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

3. Front Control Module




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

Is the resistance below 5.0 Ohms?

Yes

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

No

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