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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 177 ((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 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
    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 PDM DTCs.

      Is the DTC 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 and repair as necessary. If no problems are found, test complete.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK THE WINDOW/DOOR LOCK SWITCH FOR A SHORT 
    1. With the scan tool, erase the DTCs.
    2. Turn 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. Turn the ignition on.
    6. Wait 30 seconds.
    7. With the scan tool, read PDM DTCs.

      Is the DTC active?

      Yes 

      • Go To  3

      No 

  3. CHECK THE (E34) PASSENGER WINDOW SWITCH ILLUMINATION DRIVER CIRCUIT FOR A SHORT TO GROUND 
    1. Turn the ignition off.
    2. Turn the park lamps off.
    3. Disconnect the Passenger Door Module C5 harness connector.
    4. Check for continuity between Ground and the (E34) Passenger Window Switch Illumination Driver circuit.

      Is there continuity between Ground and the (E34) Passenger Window Switch Illumination Driver circuit?

      Yes 

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

      No 

      • Go To  4
  4. CHECK THE (E34) PASSENGER WINDOW SWITCH ILLUMINATION DRIVER CIRCUIT FOR A SHORT TO THE (Q936) PASSENGER WINDOW SWITCH RETURN CIRCUIT 
    1. Check for continuity between the (E34) Passenger Window Switch Illumination Driver circuit and the (Q936) Passenger Window Switch Return circuit.

      Is there continuity between the (E34) Passenger Window Switch Illumination Driver circuit and the (Q936) Passenger Window Switch Return circuit?

      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 BODY VERIFICATION TEST .

      No