Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

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. Try to operate the Passenger Window up and down several times.
4. Wait 30 seconds.
5. 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 STANDARD PROCEDURE .
CHECK THE WINDOW MOTOR CIRCUIT FOR A OPEN
1. Turn the ignition off.
2. Disconnect the Passenger Window Motor harness connector.
3. Connect a test light between the (Q12) Passenger Window Driver Up circuit and the (Q22) Passenger Window Driver Down circuit.
4. Turn the ignition on.
5. Operate the passenger window switch up and down several times while observing the test light.
  NOTE:
  The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.
  
  Does the test light illuminate brightly when the switch is pressed in both directions?
  
  Yes
  - Replace the Passenger Window Motor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK THE (Q22) PASSENGER WINDOW DRIVER DOWN CIRCUIT FOR A OPEN
1. Turn the ignition off.
2. Disconnect the Passenger Door Module C4 harness connector.
3. Measure the resistance of the (Q22) Passenger Window Driver Down circuit between the C4 Module connector and the motor connector.
  Is the resistance below 2.0 Ohms?
  
  Yes
  - Go To 4
  No
  - Repair the open in the (Q22) Passenger Window Driver Down circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (Q12) PASSENGER WINDOW DRIVER UP CIRCUIT FOR A OPEN
1. Measure the resistance of the (Q12) Passenger Window Driver Up circuit between the C4 Module connector and the motor connector.
  Is the resistance below 2.0 Ohms?
  
  No
  - Repair the open in the (Q12) Passenger Window Driver Up circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  Yes
  - Replace the Passenger Door Module in accordance with the Service Information. Refer to MODULE, DOOR, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .