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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 496 ((Passenger Door Module (PDM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B1918-Passenger Window Control 2 Circuit Low >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
  1. TEST FOR INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. With the scan tool, record and erase the DTCs.
    3. Try to operate the Passenger Window up and down several times.
    4. Wait 30 seconds.
    5. With the scan tool, read the DTCs.

      Does the scan tool display B1918-PASSENGER WINDOW CONTROL 2 CIRCUIT LOW?

      Yes 

      • Go To  2

      No 

      • The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. WINDOW MOTOR SHORTED 
    Fig 1: Checking Window Motor For A Short
    GC0120304Courtesy of CHRYSLER GROUP, LLC
    1. With the scan tool, erase the DTCs.
    2. Turn the ignition off.
    3. Disconnect the Passenger Window Motor connector.
    4. Turn the ignition on.
    5. Operate the passenger window switch up and down several times.
    6. With the scan tool, read the DTCs.

      Does the scan tool display B1918-PASSENGER WINDOW CONTROL 2 CIRCUIT LOW?

      No 

      • Replace the Window Motor in accordance with service information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      Yes 

      • Go To  3
  3. (Q322) PASSENGER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO GROUND 
    Fig 2: Checking Passenger Window Express Down Driver Circuit Short To Ground
    GC0120314Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Passenger Door Module C1 connector.
    3. Measure the resistance between Ground and the (Q322) Passenger Window Express Down Driver circuit.

      Is the resistance below 1, 000 Ohms?

      Yes 

      • Repair the (Q322) Passenger Window Express Down Driver circuit for a short to ground.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  4
  4. (Q322) PASSENGER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q312) PASSENGER WINDOW EXPRESS UP DRIVER CIRCUIT 
    Fig 3: Checking Passenger Window Express Down Driver Circuit Short To Passenger Window Express Up Driver Circuit
    GC0120306Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between the (Q322) Passenger Window Express Down Driver circuit and the (Q312) Passenger Window Express Up Driver circuit.

      Is the resistance below 1, 000 Ohms?

      Yes 

      • Repair the (Q322) Passenger Window Express Down Driver circuit for a short to the (Q312) Passenger Window Express Up Driver circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Replace the Passenger Door Module in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .