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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 >> B2860-15-Door Ambient Light Control - Circuit Short To Battery Or Open >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    Be sure the thumbwheels on the Dimmer Module are turned fully on during this test.

    1. Turn the ignition on.
    2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
    3. Turn the ignition on to off three times.
    4. Turn the park lamps on.
    5. Turn the ignition on and wait one minute.
    6. 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 (M33) DRIVER DOOR AMBIENT 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. Leave the Driver Door Map Pocket and Handle Lamp connector connected.
    4. Disconnect the Driver Door Module C5 harness connector.
    5. Turn the ignition on.
    6. Measure the voltage between ground and the (M33) Driver Door Ambient Lamp Driver circuit in the Driver Door Module C5 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (M33) Driver Door Ambient 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 (M33) DRIVER DOOR AMBIENT LAMP DRIVER CIRCUIT FOR A OPEN 
    1. Turn the ignition off.
      NOTE:

      Make sure the Driver Door Map Pocket and Handle Lamps connectors are still connected.

    2. Turn the ignition on.
    3. Connect a fused jumper wire between B (+) and the (M33) Driver Door Ambient Lamp Driver circuit in the DDM C5 harness connector.
    4. Connect a jumper wire between ground and the (M34) Driver Door Lighting Return circuit in the DDM C5 harness connector

      Does the Driver Door Map Pocket and Handle Lamps illuminate brightly?

      Yes 

      No 

      • Go To  4
  4. CHECK THE (M33) DRIVER DOOR AMBIENT LAMP DRIVER CIRCUIT FOR AN OPEN 
    1. Disconnect the Driver Door Map Pocket and Handle Lamp harness connectors.
    2. Measure the resistance of the (M33) Driver Door Ambient Lamp Driver circuit between the DDM C5 harness connector; and the harness connectors for the Driver Door Map Pocket and Driver Door Handle Lamps.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Repair the (M33) 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 DRIVER CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (M34) Driver Door Lighting Return Driver circuit between the DDM C5 harness connector; and the harness connectors for the Driver Door Map Pocket Lamp and Driver Door Handle Lamps.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Replace the Driver Door Ambient Lamp(s) as necessary.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

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