Diagnostic Test

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs
3. Try to operate the Passenger Window up and down several times.
4. Wait 30 seconds.
5. With the scan tool, read DTCs.
  Does the scan tool display B1918-PASSENGER WINDOW CONTROL 2 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 .
WINDOW MOTOR SHORTED

Fig 1: Checking Window Motor Shorted
Courtesy of CHRYSLER LLC
1. With the scan tool, erase 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 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 DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  Yes
  - Go to step 3
(Q322) PASSENGER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND

Fig 2: Checking Passenger Window Express Down Driver Circuit Short To Ground
Courtesy of CHRYSLER 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 1000.0 ohms?
  
  Yes
  - Repair the (Q322) Passenger Window Express Down Driver 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
(Q322) PASSENGER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO (Q312) PASSENGER WINDOW EXPRESS UP DRIVER CIRCUIT

Fig 3: Checking Passenger Window Express Down Driver Circuit Short To Passenger Window Express Up Driver Circuit
Courtesy of CHRYSLER 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 1000.0 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 DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Replace the Passenger Door Module.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .