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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 77 ((Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics)) >> DTC Troubleshooting >> B18BA-12-Window Control - Circuit Short To Battery >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
  1. TEST FOR INTERMITTENT CONDITION 
    1. Cycle the ignition on.
    2. With the scan tool, record and erase the DTCs.
    3. Try to operate the Passenger Window up and down several times.
    4. Wait 30 seconds.
    5. With the scan tool, read the DTCs.

      Does the scan tool display; B18BA-12-WINDOW CONTROL - CIRCUIT SHORT TO BATTERY?

      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 .
  2. WINDOW MOTOR SHORTED 
    1. With the scan tool, erase the DTCs.
    2. Cycle the ignition off.
    3. Disconnect the Passenger Window Motor harness connector.
    4. Cycle the ignition on.
    5. Operate the Passenger window switch up and down several times.
    6. Wait 30 seconds.
    7. With the scan tool, read the DTCs.

      Does the scan tool display; B18BA-12-WINDOW CONTROL - CIRCUIT SHORT TO BATTERY?

      Yes 

      • Go To  3

      No 

      • Replace the Passenger Window Motor in accordance with service information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. (Q22) PASSENGER WINDOW DRIVER DOWN CIRCUIT SHORTED TO VOLTAGE 
    Fig 1: Checking Passenger Window Driver Down Circuit For A Short To Voltage
    GC0149293Courtesy of CHRYSLER GROUP, LLC
    1. Cycle the ignition off.
    2. Disconnect the Passenger Door Module C4 harness connector.
    3. Cycle the ignition on.
    4. Measure the voltage between ground and the (Q22) Passenger Window Driver Down circuit.

      Is there any voltage present?

      Yes 

      • Repair the (Q22) Passenger Window Driver Down circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  4
  4. (Q12) PASSENGER WINDOW DRIVER UP CIRCUIT SHORTED TO VOLTAGE 
    Fig 2: Checking Passenger Window Driver Up Circuit For A Short To Voltage
    GC0149294Courtesy of CHRYSLER GROUP, LLC
    1. Measure the voltage between the (Q12) Passenger Window Driver Up circuit and Ground.

      Is there any voltage present?

      Yes 

      • Repair the (Q12) Passenger Window Driver Up circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No