Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. Turn the Windshield Washer Pump on.
3. With the scan tool, read the Body Control Module (BCM) DTCs and record on the repair order.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (W10) FRONT WASHER PUMP MOTOR CONTROL CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the Windshield Washer Pump harness connector.
3. Disconnect the BCM C1/A harness connector.
4. Check for continuity between ground and the (W10) Front Washer Pump Motor Control circuit at the Windshield Washer Pump harness connector.
  Is theere continuity between ground and the (W10) Front Washer Pump Motor Control circuit?
  
  Yes
  - Repair the short to ground in the (W10) Front Washer Pump Motor Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE WINDSHIELD WASHER PUMP
1. Turn the ignition off.
2. Connect the BCM C1/A harness connector.
3. Turn the ignition on.
4. Turn the Windshield Washer Pump on.
  NOTE:
  The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.
5. Using a 12 - volt test light connected to ground, check the (W10) Front Washer Pump Motor Control circuit at the Windshield Washer Pump harness connector.
  Does the test light illuminate brightly?
  
  Yes
  - Replace the Washer Pump Motor in accordance with the Service Information. Refer to PUMP, WINDSHIELD WASHER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .