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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 >> B285E-11-Window Switch Backlighting-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. Ensure the passenger window lock out switch is on.
    4. Turn the park lights on.
    5. Wait 30 seconds.
    6. With the scan tool, read the DTCs.

      Does the scan tool display; B285E-11-WINDOW SWITCH BACKLIGHTING - CIRCUIT SHORT TO GROUND?

      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/DOOR LOCK SWITCH SHORTED 
    Fig 1: Window/Door Lock Switch Connector End View
    GC0129743Courtesy of CHRYSLER GROUP, LLC
    1. With the scan tool, erase the DTCs.
    2. Cycle the ignition off.
    3. Disconnect the Passenger Window/Door Lock Switch connector.
    4. Ensure the passenger window lock out switch is on and the park lamps are still on.
    5. Cycle the ignition on.
    6. Wait 30 seconds.
    7. With the scan tool, read the active DTCs.

      Does the scan tool display B285E-WINDOW SWITCH BACKLIGHTING CIRCUIT LOW?

      Yes 

      • Go To  3

      No 

  3. (E34) PASSENGER WINDOW SWITCH ILLUMINATION DRIVER CIRCUIT SHORTED TO GROUND 
    Fig 2: Checking Passenger Window Switch Illumination Driver Circuit For Short To Ground
    GC0090419Courtesy of CHRYSLER GROUP, LLC
    1. Cycle the ignition off.
    2. Turn the park lamps off.
    3. Disconnect the Passenger Door Module C5 harness connector.
    4. Measure the resistance between Ground and the (E34) Passenger Window Switch Illumination Driver circuit.

      Is the resistance below 10k Ohms?

      Yes 

      • Repair the (E34) Passenger Window Switch Illumination Driver circuit for a short to ground.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  4
  4. (E34) PASSENGER WINDOW SWITCH ILLUMINATION DRIVER CIRCUIT SHORTED TO THE (Q936) PASSENGER WINDOW SWITCH RETURN CIRCUIT 
    Fig 3: Checking Passenger Window Switch Illumination Driver Circuit For Short To Passenger Window Switch Return Circuit
    GC0090420Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between the (E34) Passenger Window Switch Illumination Driver circuit and the (Q936) Passenger Window Switch Return circuit.

      Is the resistance below 10k Ohms?

      Yes 

      • Repair the (E34) Passenger Window Switch Illumination Driver circuit for a short to the (Q936) Passenger Window Switch Return circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No