Diagnostic Test

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 step 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. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
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 step 3
  No
  - Replace the Wiper On/Off Relay in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
Front Control Module

Fig 1: Checking Wiper On/Off Relay Control Circuit
Courtesy of CHRYSLER LLC
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 in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Replace the Front Control Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .