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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 496 ((Passenger Door Module (PDM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B1912-Passenger Window Switch Circuit High >> 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. With the scan tool, record and erase the DTCs.
    2. Operate the Passenger Window Switch in both positions several times.
    3. Cycle the ignition from on to off.
    4. Turn the ignition on.
    5. With the scan tool, read the DTCs.

      Does the scan tool display B1912-PASSENGER WINDOW SWITCH CIRCUIT HIGH?

      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. PASSENGER WINDOW/DOOR LOCK SWITCH SHORTED 
    Fig 1: Checking Passenger Window Switch For A Short
    GC0106475Courtesy of CHRYSLER GROUP, LLC
    1. With the scan tool, erase the DTCs.
    2. Disconnect the Passenger Window/Door Lock Switch C2 connector.
    3. Turn the ignition on.
    4. With the scan tool, read the DTCs.

      Does the scan tool display B1912-PASSENGER WINDOW SWITCH CIRCUIT HIGH?

      No 

      • Replace the Passenger Window/Door Lock Switch.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      Yes 

      • Go To  3
  3. (Q336) PASSENGER WINDOW EXPRESS SWITCH MUX WIRE SHORTED TO VOLTAGE 
    Fig 2: Checking Passenger Window Express Switch MUX Wire Short To Voltage
    GC0106497Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Passenger Door Module C2 connector.
    3. Turn the ignition on.
    4. Measure the voltage between ground and the (Q336) Passenger Window Express Switch Mux circuit in the Passenger Door Module C2 connector.

      Is there any voltage present?

      Yes 

      • Repair the (Q336) Passenger Window Express Switch Mux circuit for a short to voltage.
      • 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 .
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