B2314
B2314-WIPER ON/OFF CONTROL CIRCUIT HIGHB2314-Wiper On/Off Control Circuit High:
WHEN MONITORED
With the ignition on.
SET CONDITION
When the FCM detects a short/HIGH condition.
POSSIBLE CAUSES
- Wiper on/off relay
- Power distribution center
- Front control module
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
DIAGNOSTIC TEST
1. INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all FCM DTC's.
Turn the Wipers ON then OFF.
With the Scan Tool, read the Wiper DTC's.
Q: 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 - VER 1. Body Verification Test
2. WIPER ON/OFF RELAY
Turn the ignition off.
Remove the Wiper On/Off Relay.
Turn the ignition on.
Activate the Wiper Switch to all speed positions.
With the Scan Tool, read the DTC's.
Q: Does the Scan Tool read: B2314-WIPER ON/OFF CONTROL CIRCUIT HIGH?
YES: Replace the Wiper On/Off 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 On/Off Relay.
Disconnect the FCM C3 harness connector.
Measure the voltage between ground and the Wiper On/Off Relay Control circuit in the PDC.
Q: 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