Diagnostic Test

WARNING: This page is about a different car, the 2021 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR SMART DOOR HANDLE CONFIGURATION
NOTE:
If there are any other RF Hub DTCs, perform the diagnostic procedure for them before proceeding.
1. With the scan tool select the RF Hub and verify the configuration for a smart door handle is present on the front left door.
  Is a smart door handle present?
  
  Yes
  - Go To 2
  No
  - With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK FOR A SMART DOOR HANDLE
1. Verify that the smart sensor (magnet) is present by pulling the front left door handle and holding it in the open position, while visually looking for a smart sensor (magnet) in the side of the door handle cap closest to the handle.
  Is the smart sensor (magnet) in the door handle cap?
  
  Yes
  - Go To 3
  No
  - Replace the Front Left Exterior Door Handle Cap in accordance with the Service Information. Refer to HANDLE, EXTERIOR, REMOVAL .
  - With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK FOR AN ACTIVE DTC
NOTE:
If there are any other RF Hub DTCs, perform the diagnostic procedure for them before proceeding.
1. Turn the ignition on.
2. Using the scan tool, record and erase the DTCs.
3. Make sure that the door handle is in the home position (not pulled).
4. With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
5. With the scan tool, select "RFH", "Data" and scroll to "Last Message: FRONT LEFT Door Handle Hall Signal".
6. Observe the value field.
  Does the scan tool display: YES?
  
  Yes
  - Replace the Front Left Exterior Door Handle in accordance with the Service Information. Refer to HANDLE, EXTERIOR, REMOVAL .
  - With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
TEST FOR STUCK LOCK SWITCH
1. With the scan tool, select "RFH", "Data" and scroll to "Last Message: FRONT LEFT Door Handle Lock".
2. Observe the value field.
  Does the scan tool display: YES?
  
  Yes
  - Replace the Front Left Exterior Door Handle in accordance with the Service Information. Refer to HANDLE, EXTERIOR, REMOVAL .
  - With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 5
DOOR HANDLE OPERATION
1. Open the left front door window.
2. Turn the ignition off, remove the FOBIK and close all doors.
3. Have the FOBIK outside and within 10 cm. and 1.5 m. (4 in. and 5 ft.) of the left front door handle.
  NOTE:
  In the next step, wait two (2) seconds between each Lock and Unlock activation as there is a two second delay after each Lock action.
4. Lock and Unlock the feft front door by the outside handle four (4) times.
5. Open the left front door by pulling the handle.
  Did the Door Handle Lock and Unlock the door as it should?
  
  Yes
  - The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 6
DOOR HANDLE OR RF HUB
1. Turn the ignition on.
2. Open the front right window.
3. Turn the ignition off, remove the FOBIK and close all doors.
4. Have the FOBIK outside the car and within 10cm. and 1.5 m. (4 in. and 5 ft.) from the front right door handle.
  NOTE:
  In the next steps, wait two (2) seconds between each Lock and Unlock activation as there is a two second delay after each Lock action.
5. Lock and Unlock the front right door by the outside handle four (4) times.
6. Using the handle lock switch, lock the doors.
7. Open the front right door by pulling the handle.
  Did the front right door handle lock and unlock the door as it should?
  
  Yes
  - Replace the Front Left Exterior Door Handle in accordance with the Service Information. Refer to HANDLE, EXTERIOR, REMOVAL .
  - With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the RF-HUB in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
  - Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST .