B2318

B2318-WIPER HI/LOW CONTROL CIRCUIT HIGH





For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:
- With the ignition on.
- Set Condition:
- When the FCM detects a short/HIGH condition.





Diagnostic Test

1.INTERMITTENT CONDITION

Turn the ignition on.

With the Scan Tool, clear all FCM DTC's.

Turn the Wipers to Low then High.

With the Scan Tool, read the Wiper DTC's.

Does the Scan Tool read: B2318-WIPER HI/LOW 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.WIPER HIGH/LOW RELAY

Turn the ignition off.

Remove the Wiper Hi/Low Relay.

Turn the ignition on.

Activate the Wiper Switch to all speed positions.

With the Scan Tool, read the DTC's.

Does the Scan Tool read: B2318-WIPER HI/LOW CONTROL CIRCUIT HIGH?

Yes

- Replace the Wiper Hi/Low Relay.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 3
-

3.FRONT CONTROL MODULE





Turn the ignition off.

Remove the Wiper Hi/Low Relay.

Disconnect the FCM PDM harness connector.

Measure the voltage between ground and the (W2) Wiper Hi/Low Relay Control circuit in the PDC.

Is there any voltage present?

Yes

- Replace the Power Distribution Center.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace the Front Control Module.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test