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.

TEST FOR INTERMITTENT CONDITION
NOTE:
Be sure the thumbwheels on the Dimmer Module are 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 driver 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 .
(M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking Driver Door Courtesy Lamp Driver Circuit For Short To Voltage
Courtesy 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 Driver Door Map Pocket/Courtesy 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 (M43) Driver Door Ambient Lamp Driver circuit in the Driver Door Module C5 harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the (M43) Driver Door Ambient Lamp Driver circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
(M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT OPEN

Fig 2: Driver Door Courtesy Lamp Harness Connector End View
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Be sure the Driver Door Map Pocket/Courtesy Lamp connector is still connected.
3. Turn the ignition on.
4. Connect a fused jumper wire to the (M43) Driver Door Courtesy Lamp Driver circuit in the DDM C5 harness connector.
5. Connect a jumper wire to the (M34) Driver Door Lighting Return circuit in the DDM C5 harness connector
  Does the Driver Door Courtesy Lamp illuminate brightly?
  
  Yes
  - Replace the Driver Door Module in accordance with the Service Information. Refer to MODULE, DOOR, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 4
(M43) DRIVER DOOR COURTESY LAMP DRIVER CIRCUIT OPEN
1. Turn the ignition off.
2. Disconnect the Driver Door Map Pocket/Courtesy 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 Map Pocket/Courtesy Lamp harness connector.
  Is the resistance below 2.0 Ohms?
  
  Yes
  - Go To 5
  No
  - Repair the open in the (M43) Driver Door Courtesy Lamp Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
(M34) DRIVER DOOR LIGHTING RETURN CIRCUIT OPEN
1. Measure the resistance of the (M34) Driver Door Lighting Return circuit between the DDM C5 harness connector and the Driver Door Map Pocket/Courtesy Lamp harness connector.
  Is the resistance below 2.0 Ohms?
  
  Yes
  - Replace the Driver Door Ambient Lamp.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the open in the (M34) Driver Door Lighting Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .