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Pinpoint Test K: The Doors Do Not Lock/Unlock Using The Remote Keyless Entry Transmitter

WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
  1. K1 CHECK FOR THE CORRECT REMOTE KEYLESS ENTRY (RKE) TRANSMITTERS 
    • Check that the correct RKE transmitters are used with the vehicle.
    • Make sure the RKE transmitters are those provided with the OEM system and not from an aftermarket or a dealer-installed system that may have been installed on the vehicle.
    • Are all the correct RKE transmitters present? 
      • Yes  : GO to  K2.
      • No  : The system cannot be tested without the correct RKE transmitters. INFORM the customer that all the correct RKE transmitters need to be present to proceed with diagnosis of the system.
  2. K2 CHECK THE OPERATION OF THE RKE TRANSMITTERS WITH THE IGNITION SWITCH IN THE OFF POSITION 
    • Key in OFF position.
    • Check the operation of the RKE transmitter.
    • Does the system operate correctly now? 
    • Yes  : The system is operating as designed. INFORM the customer the correct vehicle behavior is for the RKE transmitters to function only with the ignition switch in the OFF or RUN position with the transmission in PARK or NEUTRAL.
    • No  : GO to  K3.
  3. K3 CHECK THE POWER DOOR LOCK SYSTEM FOR CORRECT OPERATION 
    • Verify the door lock/unlock operation by actuating the driver door lock control switch.
    • Do all the doors lock and unlock correctly? 
    • Yes  : GO to  K4.
    • No  : To diagnose the inoperative door locks, GO to PINPOINT TEST C .
  4. K4 CHECK FOR COMPLETE FUNCTIONALITY OF THE RKE TRANSMITTER(S) 
    • Check all the RKE transmitter buttons for correct operation.
    • Does the panic button operate correctly? 
    • Yes  : REPLACE the inoperative RKE transmitter. PROGRAM the inoperative RKE transmitter using the diagnostic tool or PROGRAM all the RKE transmitters using the ignition cylinder method. REFER to REMOTE KEYLESS ENTRY TRANSMITTER PROGRAMMING  in this article. INFORM the customer any RKE transmitters not present will need to be programmed. CLEAR the DTCs. REPEAT the self-test.
    • No  : GO to  K5.
  5. K5 MAKE SURE THE RKE TRANSMITTER SIGNAL IS BEING RECEIVED 
    • Connect the diagnostic tool.
    • Enter the following diagnostic mode on the diagnostic tool: DDM function tests, transmitter test, or program transmitter.

      Monitor the RKE transmitter identification code (TIC) through the diagnostic tool menus.

      • NOTE: The vehicle must be electronically unlocked through the RKE transmitter or the door lock control switch prior to using any diagnostic tools.
    • Verify the RKE transmitter signal is being received. Using a diagnostic tool, press a button on the RKE transmitter while observing the diagnostic tool.
    • Does the TIC show up on the diagnostic tool screen when a button is pressed? 
    • Yes  : GO to  K6.
    • No  : GO to  K7.
  6. K6 CHECK IF THE RKE TRANSMITTERS ARE PROGRAMMED 
    • Enter the following diagnostic mode on the diagnostic tool: DDM function tests, RKE transmitter test, or program RKE transmitter. Monitor the RKE transmitter TIC/DATA through the diagnostic tool menus.
    • Verify the RKE transmitters are programmed to the vehicle.
    • Does the TIC displayed under the current RKE transmitter match any of the TICs stored in memory? 
    • Yes  : GO to  K8.
    • No  : PROGRAM all of the RKE transmitters. REFER to REMOTE KEYLESS ENTRY TRANSMITTER PROGRAMMING  in this article. INFORM the customer that any RKE transmitters not present will need to be programmed. CLEAR the DTCs. REPEAT the self-test.
  7. K7 CHECK THE RKE TRANSMITTER BATTERY 
    • Using a thin coin, open the RKE transmitter.
    • Do not clean any grease from the battery terminal on the back surface of the circuit board.
    • Verify the correct battery is being used (CR2032).
    • Remove the RKE transmitter battery and measure the voltage.
    • Is the voltage greater than 2.5 volts? 
    • Yes  : GO to  K9.
    • No  : INSTALL a new battery. Be sure the battery is seated correctly. DO NOT program the RKE transmitters. Faulty or dead batteries do not erase TICs from memory. CLEAR the DTCs. REPEAT the self-test.
  8. K8 CHECK IF THE RKE TRANSMITTER IS OUT OF SYNCHRONIZATION WITH THE DDM 
    NOTE: The vehicle must be electronically unlocked through the RKE transmitter or the door lock control switch prior to using any service tools.

    Retrieve any continuous DTCs with the diagnostic tool.

    • Is continuous DTC B2425 stored in the DDM? 
    • Yes  : To diagnose the RKE transmitter out of synchronization, GO to PINPOINT TEST Q .
    • No  : GO to  K9.
  9. K9 CHECK FOR NORMAL OPERATION WITH A KNOWN GOOD RKE TRANSMITTER 
    • Enter the following diagnostic mode on the diagnostic tool: DDM function tests, transmitter test, or program transmitter. Monitor the RKE transmitter TIC/DATA through the diagnostic tool menus.
    • Using the customer's second RKE transmitter or a known good RKE transmitter that is correct for the vehicle, verify the RKE transmitter signal is being received.
    • Does the TIC show up on the diagnostic tool when a button is pressed on the RKE transmitter? 
    • Yes  : REPLACE the inoperative RKE transmitter. PROGRAM all the RKE transmitter(s). REFER to REMOTE KEYLESS ENTRY TRANSMITTER PROGRAMMING  in this article. INFORM the customer any RKE transmitters not present will need to be programmed. CLEAR the DTCs. REPEAT the self-test.
    • No  : GO to  K10.
  10. K10 CHECK THE DDM FOR CORRECT OPERATION 
    • Disconnect all the DDM connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all the DDM connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new DDM. REFER to MULTIFUNCTION ELECTRONIC MODULES . PROGRAM all the remote transmitters. REFER to REMOTE KEYLESS ENTRY TRANSMITTER PROGRAMMING  in this article. INFORM the customer any remote transmitters not present will need to be programmed. CLEAR the DTCs. REPEAT the self-test.
    • No  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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