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 from High to Low.
4. With the scan tool, read the Wiper DTCs.
  Does the scan tool read: B2317-WIPER HI/LOW 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 HIGH/LOW RELAY
1. Turn the ignition off.
2. Install a substitute relay in place of the Wiper High/Low Relay.
3. Turn the ignition on.
4. With the scan tool, read the DTCs.
  Does the scan tool read: B2317-WIPER HI/LOW CONTROL CIRCUIT LOW?
  
  Yes
  - Go to step 3
  No
  - Replace the Wiper High/Low 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 (FCM)

Fig 1: Checking Wiper High/Low Relay Control Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Remove the Wiper High/Low Relay.
3. Disconnect the 49 way FCM IPM harness connector.
4. Measure the resistance between ground and the Wiper High/Low Relay Control circuit in the 49 way FCM IPM harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Replace the Integrated Power Module (IPM) 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 (FCM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .