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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 >> (Driver Door Module (DDM) (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 driver window.
    4. Turn the ignition on to off three times.
    5. Close then open the driver door.
    6. Turn the ignition on and wait one minute.
    7. With the scan tool, read DDM 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 (M43) DRIVER 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 Driver Door Module C5 harness connector.
    4. Turn the ignition on.
    5. Measure the voltage between ground and the (M43) Driver Door Courtesy Lamp Driver circuit at the Driver Door Module C5 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (M43) Driver 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 (M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
      NOTE:

      Make sure the Driver Door Puddle Lamp connector is still connected.

    2. Turn the ignition on.
    3. Connect a fused jumper wire between B (+) and the (M43) Driver Door Courtesy Lamp Driver circuit at the DDM C5 harness connector.
    4. Connect a jumper wire between ground and the (M34) Driver Door Lighting Return circuit at the DDM C5 harness connector

      Does the Driver Door Puddle (trim) Lamp illuminate brightly?

      Yes 

      No 

      • Go To  4
  4. CHECK THE (M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
    2. Disconnect the Driver Door Puddle Lamp harness connector.
    3. Measure the resistance of the (M43) Driver Door Courtesy Lamp Driver circuit between the DDM C5 harness connector and the Driver Door Puddle (trim) Lamp harness connector at the Driver Door Module C5 harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Repair the (M43) Driver Door Courtesy Lamp Driver circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  5. CHECK THE (M34) DRIVER DOOR LIGHTING RETURN CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (M34) Driver Door Lighting Return circuit between the DDM C5 harness connector and the Driver Door Puddle (trim) Lamp harness connector at the Driver Door Module C5 harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      No 

      • Repair the (M34) Driver Door Lighting Return circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
      • Test complete.
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