Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 1500. 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. Cycle the Wiper Switch on and off three times.
3. With the scan tool, read DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2
  No
  - Test complete. 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.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE FRONT WIPER MOTOR FOR CORRECT OPERATION
1. Turn the ignition off.
2. Disconnect the Front Wiper Motor harness connector.
3. Connect a jumper wire between the (W7) Front Wiper Park Switch Sense circuit and ground.
4. Turn the ignition on.
5. With the scan tool, read the Front Wiper Park Switch Sense.
  Does the Front Wiper Park Switch Sense display: Parked?
  
  Yes
  - Replace the Front Wiper Motor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK (W7) FRONT WIPER PARK SWITCH SENSE CIRCUIT FOR AN OPEN
1. Turn the ignition off.
2. Remove the jumper wire.
3. Turn the ignition on.
4. Measure the voltage between ground and the (W7) Front Wiper Park Switch Sense at the Front Wiper Motor harness connector.
  Is the voltage above 10.5 volts?
  
  Yes
  - Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the open in the (W7) Front Wiper Park Switch Sense circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .