Diagnostic Test

TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase DTCs
2. Operate the Passenger Window Switch in both positions several times.
3. Cycle the ignition from on to off 3 times.
4. Turn the ignition on.
5. With the scan tool, read DTCs.
  Does the scan tool display B1911-PASSENGER WINDOW SWITCH CIRCUIT LOW?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
PASSENGER WINDOW/DOOR LOCK SWITCH SHORTED TO GROUND

Fig 1: Checking Driver Window Switch Shorted
Courtesy of CHRYSLER LLC
1. With the scan tool, erase DTCs.
2. Disconnect the Passenger Window/Door Lock Switch connector.
3. Turn the ignition on.
4. With the scan tool, read DTCs.
  Does the scan tool display B1911-PASSENGER WINDOW SWITCH CIRCUIT LOW?
  
  No
  - Replace the Passenger Window/Door Lock Switch.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  Yes
  - Go to step 3
(Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORT TO GROUND

Fig 2: Checking Passenger Window Express Switch MUX Circuit Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Passenger Door Module C2 connector.
3. Measure the resistance between ground and the (Q336) Passenger Window Express Switch Mux circuit in the Passenger Door Module C2 connector.
  Is the resistance below 10,000 ohms?
  
  Yes
  - Repair the (Q336) Passenger Window Express Switch Mux circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Go to step 4
(Q336) PASSENGER WINDOW EXPRESS SWITCH MUX CIRCUIT SHORT TO THE (Q936) PASSENGER WINDOW EXPRESS SWITCH RETURN CIRCUIT

Fig 3: Checking Passenger Window Express Switch MUX Circuit Short To Passenger Window Express Switch Return Circuit
Courtesy of CHRYSLER LLC
1. Measure the resistance between the (Q336) Passenger Window Express Switch Mux circuit and the (Q936) Passenger Window Express Switch Return circuit in the Passenger Door Module C2 connector.
  Is the resistance below 1,000 ohms?
  
  Yes
  - Repair the (Q336) Passenger Window Express Switch Mux circuit for a short to the (Q936) Passenger Window Express Switch Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Replace the Driver Door Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .