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Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> (Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics) >> DTC Troubleshooting >> B1751-15-Courtesy Lamp Control - Circuit Short To Battery Or Open >> Diagnostic Test

Diagnostic Test

  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. Lower the passenger door window.
    4. Turn the ignition on to off three times.
    5. Close then open the passenger door.
    6. Turn the ignition on.
    7. Wait one minute.
    8. 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 (M44) PASSENGER DOOR COURTESY LAMP DRIVER CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Turn the ignition off.
    2. Remove the inner door panel trim in accordance with the Service Information.
    3. Disconnect the Passenger Door Module C5 harness connector.
    4. Turn the ignition on.
    5. Measure the voltage between ground and the (M44) Passenger Door Ambient Lamp Driver circuit at the Passenger Door Module C5 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (M44) Passenger Door Courtesy Lamp Driver circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. CHECK THE (M44) PASSENGER DOOR COURTESY LAMP DRIVER CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
      NOTE:

      Make sure the Passenger Door Courtesy (puddle/trim) Lamp connector is still connected.

    2. Turn the ignition on.
    3. Connect a fused jumper wire between B(+), to the (M44) Passenger Door Courtesy Lamp Driver circuit at the Passenger Door Module C5 harness connector.
    4. Connect a jumper wire between ground and the (M36) Passenger Door Lighting Return circuit at the Passenger Door Module C5 harness connector.

      Does the Passenger Door Courtesy (puddle/trim) Lamp illuminate brightly?

      Yes 

      No 

      • Go To  4
  4. CHECK THE (M44) PASSENGER DOOR COURTESY LAMP DRIVER CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
    2. Disconnect the Passenger Door Puddle Lamp harness connector.
    3. Measure the resistance of the (M44) Passenger Door Courtesy Lamp Driver circuit between the PDM C5 harness connector and the Passenger Door Courtesy (puddle/trim) Lamp harness connector at the Passenger Door Module C5 harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Repair the (M44) Passenger Door Courtesy Lamp Driver circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  5. CHECK THE (M36) PASSENGER DOOR LIGHTING RETURN CIRCUIT FOR A OPEN 
    1. Measure the resistance of the (M36) Passenger Door Lighting Return circuit between the Passenger Door Module C5 harness connector and the Passenger Door Courtesy (puddle/trim) Lamp harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Replace the Passenger Door Courtesy (puddle/trim) Lamp.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Repair the (M36) Passenger Door Lighting Return circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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