Diagnostic Test

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs
3. Operate the Passenger Window Switch in all positions several times.
4. Wait 30 seconds.
5. With the scan tool, read DTCs.
  Does the scan tool display B185D-PASSENGER WINDOW SWITCH CIRCUIT STUCK?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Check for a sticking switch and 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 .
DRIVER WINDOW SWITCH SHORTED

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. With the scan tool, read DTCs.
  Does the scan tool display B185D-PASSENGER WINDOW SWITCH CIRCUIT STUCK?
  
  No
  - Replace the Passenger Express 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.
  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 (Q936) PASSENGER EXPRESS SWITCH RETURN CIRCUIT

Fig 3: Checking Passenger Window Express Switch MUX Circuit Short To Passenger 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 Express Switch Return circuit.
  Is the resistance below 10,000 ohms?
  
  Yes
  - Repair the (Q336) Passenger 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 Passenger Door Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .