Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Turn the Front Wipers on.
4. With the scan tool, read the Front Wiper DTCs.
  Does the scan tool display this DTC as 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.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(W7) WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUND

Fig 1: Checking Wiper Park Switch Sense Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Front Wiper Motor harness connector.
3. Disconnect the TIPM C7 harness connector.
4. Measure the resistance between ground and the (W7) Wiper Park Switch Sense circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (W7) Wiper Park Switch Sense circuit for a short to ground condition.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3.
WIPER MOTOR
1. Reconnect the TIPM C7 harness connector.
2. Turn the ignition on.
3. With the scan tool, record and erase DTCs.
4. Wait 30 seconds.
5. With the scan tool, read DTCs.
  Does the scan tool read: B2304-WIPER PARK SWITCH INPUT CIRCUIT LOW?
  
  Yes
  - Replace the Totally Integrated Power Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Front Wiper Motor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .