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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Body Control Module (BCM) - DTCS B1812-2A To U1433-24) >> DTC Troubleshooting >> B2303-11-Wiper Park Switch Input - Circuit Short To Ground >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
  1. INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. With the scan tool, clear all DTCs.
    3. Cycle the Wiper Switch on and off three times.
    4. 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 BODY VERIFICATION TEST .
  2. ATTEMPT TO SET THE OPPOSITE DTC 
    1. Turn the ignition off.
    2. Disconnect the Front Wiper Motor harness connector.
    3. Turn the ignition on.
    4. Wait 30 seconds.
    5. With the scan tool, read the Front Wiper Park Switch Sense.

      Does the Front Wiper Park Switch Sense display: Not Parked?

      Yes 

      No 

      • Go To  3
  3. CHECK (W7) FRONT WIPER PARK SWITCH SENSE CIRCUIT FOR A SHORT TO GROUND 
    Fig 1: Checking Front Wiper Park Switch Sense Circuit For A Short To Ground
    GC0150188Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the BCM A harness connector.
    3. Measure the resistance between ground and the (W7) Front Wiper Park Sense circuit.

      Is the resistance above 10k Ohms?

      Yes 

      No 

      • Repair the short to ground in the (W7) Front Wiper Park Switch Sense circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .