Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Operate the Driver Window switch up and down several times.
4. Wait 30 seconds.
5. With the scan tool, read the active DTCs.
  Does the scan tool display B185A-31-DRIVER WINDOW POSITION SENSOR - NO SIGNAL?
  
  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 BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
(Q301) DRIVER WINDOW HALL SENSOR A SIGNAL SHORTED TO GROUND

Fig 1: Checking Driver Window Hall Sensor A Signal For Short
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Driver Window Motor harness connector.
3. Disconnect the Driver Door Module C4 harness connector.
4. Measure the resistance between ground and the (Q301) Driver Window Hall Sensor A Signal circuit in the Driver Window Motor harness connector.
  Is the resistance below 10,000 Ohms?
  
  Yes
  - Repair the short to ground in the Driver Window Hall Sensor A signal circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
  No
  - Go To 3.
(Q991) DRIVER WINDOW HALL SENSOR RETURN CIRCUIT OPEN

Fig 2: Checking Driver Window Hall Sensor Return Circuit For Open
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (Q991) Driver Window Hall Sensor Return circuit between the Driver Door Module C4 harness connector and the Driver Window Motor harness connector.
  Is the resistance above 2.0 Ohms?
  
  Yes
  - Repair the open in the (Q991) Driver Window Hall Sensor Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
  No
  - Go To 4.
(Q301) DRIVER WINDOW HALL SENSOR A SIGNAL CIRCUIT OPEN

Fig 3: Checking Driver Window Hall Sensor A Signal Circuit For Open
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (Q301) Driver Window Hall Sensor A Signal circuit between the Driver Door Module C4 harness connector and the Driver Window Motor harness connector.
  Is the resistance above 2.0 Ohms?
  
  Yes
  - Repair the open in the (Q301) Driver Window Hall Sensor A Signal circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
  No
  - Go To 5.
(Q301) DRIVER WINDOW HALL SENSOR A SIGNAL CIRCUIT SHORTED TO THE (Q991) DRIVER WINDOW HALL SENSOR RETURN CIRCUIT

Fig 4: Checking Driver Window Hall Sensor A Signal Circuit For Short
Courtesy of CHRYSLER LLC
1. Measure the resistance between the (Q301) Driver Window Hall Sensor A Signal circuit and the (Q991) Driver Window Hall Sensor Return circuit in the Driver Window Motor harness connector.
  Is the resistance below 10,000 Ohms?
  
  Yes
  - Repair the (Q301) Driver Window Hall Sensor A Signal circuit for a short to the (Q991) Driver Window Hall Sensor Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
  No
  - Replace the Window Motor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .