LEMON Manuals: Even more car manuals for everyone
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 >> B1751-15-Courtesy Lamp Control-Circuit Short To Battery Or Open >> 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 
    NOTE:

    Be sure the thumbwheel on the Dimmer Module is turned fully on until instructed to turn them off.

    1. Turn the ignition on.
    2. With the scan tool, record and erase the DTCs.
    3. Cycle the ignition on to off three times.
    4. Open the passenger door.
    5. Wait 30 seconds then turn the ignition on.
    6. With the scan tool, read the active DTCs.

      Does the scan tool display: B1751-15-COURTESY LAMP CONTROL - CIRCUIT SHORT TO BATTERY OR OPEN?

      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. (M44) PASSENGER DOOR COURTESY LAMP DRIVER CIRCUIT SHORTED TO VOLTAGE 
    Fig 1: Checking Passenger Door Courtesy Lamp Driver Circuit For A Short To Voltage
    GC0150739Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Remove the inner door panel trim in accordance with the Service Information. Refer to PANEL, DOOR TRIM, REMOVAL .
    3. Leave the Passenger Door Map Pocket/Courtesy Lamp connector connected.
    4. Disconnect the Passenger Door Module C5 harness connector.
    5. Turn the ignition on.
    6. Measure the voltage between ground and the (M44) Passenger Door Ambient Lamp Driver circuit in the Passenger Door Module C5 harness connector.

      Is there any voltage present?

      Yes 

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

      No 

      • Go To  3
  3. (M44) PASSENGER DOOR COURTESY LAMP DRIVER CIRCUIT OPEN 
    Fig 2: Passenger Door Module Harness Connector End View
    GC0150740Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Be sure the Passenger Door Map Pocket/Courtesy Lamp connector is still connected.
    3. Turn the ignition on.
    4. Connect a fused jumper wire to the (M44) Passenger Door Courtesy Lamp Driver circuit in the PDM C5 harness connector.
    5. Connect a jumper wire to the (M36) Passenger Door Lighting Return circuit in the PDM C5 harness connector

      Does the Passenger Door Courtesy Lamp illuminate brightly?

      Yes 

      No 

      • Go To  4
  4. (M44) PASSENGER DOOR COURTESY LAMP DRIVER CIRCUIT OPEN 
    Fig 3: Checking Passenger Door Courtesy Lamp Driver Circuit For An Open
    GC0150737Courtesy of CHRYSLER GROUP, LLC
    1. Disconnect the Passenger Door Map Pocket/Courtesy Lamp harness connector.
    2. Measure the resistance of the (M44) Passenger Door Courtesy Lamp Driver circuit between the PDM C5 harness connector and the Passenger Door Map Pocket/Courtesy Lamp harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Repair the open in the (M44) Passenger Door Courtesy Lamp Driver circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  5. (M36) PASSENGER DOOR LIGHTING RETURN CIRCUIT OPEN 
    Fig 4: Checking Passenger Door Lighting Return Circuit For An Open
    GC0150741Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance of the (M36) Passenger Door Lighting Return circuit between the PDM C5 harness connector and the Passenger Door Map Pocket/Courtesy Lamp harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Replace the Passenger Door Ambient Lamp.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Repair the open in the (M36) Passenger Door Lighting Return circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .