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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 ((Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics)) >> DTC Troubleshooting >> B18BA-11-Window Control - Circuit Short To Ground >> 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 Driver Window up and down several times.
    4. Wait 30 seconds.
    5. With the scan tool, read the DTCs.

      Does the scan tool display; B18BA-11-WINDOW CONTROL - CIRCUIT SHORT TO GROUND 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 .
  2. WINDOW MOTOR SHORTED 
    Fig 1: Left Window Motor Connector End View
    GC0096495Courtesy of CHRYSLER GROUP, LLC
    1. With the scan tool, erase DTCs.
    2. Cycle the ignition off.
    3. Disconnect the Driver Window Motor harness connector.
    4. Cycle the ignition on.
    5. Operate the driver window switch up and down several times.
    6. Wait 30 seconds.
    7. With the scan tool, read active DTCs.

      Does the scan tool display; B18BA-11-WINDOW CONTROL - CIRCUIT SHORT TO GROUND as active?

      Yes 

      • Go To  3

      No 

  3. (Q21) DRIVER WINDOW DRIVER DOWN CIRCUIT SHORTED TO GROUND 
    Fig 2: Checking Driver Window Driver (Down) Circuit For Short To Ground
    GC0090031Courtesy of CHRYSLER GROUP, LLC
    1. Cycle the ignition off.
    2. Disconnect the Driver Door Module C4 harness connector.
    3. Measure the resistance between Ground and the (Q21) Driver Window Driver Down circuit.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the short to ground in the (Q21) Driver Window Driver Down circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  4
  4. (Q11) DRIVER WINDOW DRIVER UP CIRCUIT SHORTED TO GROUND 
    Fig 3: Checking Driver Window Driver (Up) Circuit For Short To Ground
    GC0090032Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between Ground and the (Q11) Driver Window Driver Up circuit.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the short to ground in the (Q11) Driver Window Driver Up circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  5
  5. (Q21) DRIVER WINDOW DRIVER DOWN CIRCUIT SHORTED TO THE (Q11) DRIVER WINDOW DRIVER UP CIRCUIT 
    Fig 4: Checking Driver Window Driver Down Circuit For Short To Driver Window Driver Up Circuit
    GC0090033Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between the (Q21) Driver Window Driver Down circuit and the (Q11) Driver Window Driver Up circuit.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the short between the (Q21) Driver Window Driver Down circuit and the (Q11) Driver Window Driver Up circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No