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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> (Rear Left Door Module (DMRL) - Electrical Diagnostics) >> DTC Troubleshooting >> B25B0-31 Window Position Sensor-No Signal >> Diagnostic Test

Diagnostic Test

  1. 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. Operate the Left Rear Window switch up and down several times.
    4. Wait 30 seconds.
    5. With the scan tool, read DMRL DTCs.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

  2. CHECK THE (Q315) LEFT REAR WINDOW HALL SENSOR SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Turn the ignition off.
    2. Disconnect the Left Rear Door Module C2 harness connector.
    3. Turn the ignition on.
    4. Measure the voltage between ground and the (Q315) Left Rear Window Hall Sensor Supply circuit at the Left Rear Door Module C2 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (Q315) Left Rear Window Hall Sensor Supply circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. CHECK THE (Q307) LEFT REAR WINDOW HALL SENSOR A SIGNAL FOR A SHORT TO GROUND 
    1. Turn the ignition off.
    2. Disconnect the Left Rear Window Motor harness connector.
    3. Disconnect the Left Rear Door Module C2 harness connector.
    4. Check for continuity between ground and the (Q307) Left Rear Window Hall Sensor A Signal circuit at the Left Rear Window Motor harness connector.

      Is there continuity between ground and the (Q307) Left Rear Window Hall Sensor A Signal circuit?

      Yes 

      • Repair the in the Left Rear Window Hall Sensor A Signal circuit for a short to ground
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  4
  4. CHECK THE (Q315) LEFT REAR WINDOW HALL SENSOR SUPPLY CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (Q315) Left Rear Window Hall Sensor Supply circuit between the Left Rear Door Module C2 harness connector and the Left Rear Window Motor harness connector.

      Is the resistance above 2.0 Ohms?

      Yes 

      • Repair the (Q307) Left Rear Window Hall Sensor Supply circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  5
  5. CHECK THE (Q993) LEFT REAR WINDOW SENSOR RETURN CIRCUIT FOR A OPEN 
    1. Measure the resistance of the (Q993) Left Rear Window Sensor Return circuit between the Left Rear Door Module C2 harness connector and the Left Rear Window Motor harness connector.

      Is the resistance above 2.0 Ohms?

      Yes 

      • Repair the (Q993) Left Rear Window Sensor Return circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  6
  6. CHECK THE (Q307) LEFT REAR WINDOW HALL SENSOR A SIGNAL CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (Q307) Left Rear Window Hall Sensor A Signal circuit between the Left Rear Door Module C2 harness connector and the Left Rear Window Motor harness connector.

      Is the resistance above 2.0 Ohms?

      Yes 

      • Repair the (Q307) Left Rear Window Hall Sensor A Signal circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  7
  7. CHECK THE (Q307) LEFT REAR WINDOW HALL SENSOR A SIGNAL CIRCUIT FOR A SHORT TO THE (Q993) LEFT REAR WINDOW SENSOR RETURN CIRCUIT 
    1. Check for continuity between the (Q307) Left Rear Window Hall Sensor A Signal circuit and the (Q993) Left Rear Window Sensor Return circuit at the Left Rear Window Motor harness connector.

      Is there continuity between the (Q307) Left Rear Window Hall Sensor A Signal circuit and the (Q993) Left Rear Window Sensor Return circuit?

      Yes 

      • Repair the (Q307) Left Rear Window Hall Sensor Signal circuit for a short to the (Q993) Left Rear Window Sensor Return circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Replace the Left Rear Window Motor in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
      • Test complete.