Question about 1999 Ford Windstar

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Is there any way eliminate the anti-theft system on my 1999 windstar cause mine is malfunctioning and not allowing it to run (start). How many parts and connectors make up the system,anyways?

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  • wade5150 Mar 06, 2009

    i had it tested and it said it was sensing theft when ever i turned the key over to start.-it is the correct key and isnt damaged



    the dash is currently and completely removed already so whats next? id be happy to pay for a solution that does'nt involve a 'tuner'

  • yadayada
    yadayada May 11, 2010

    what is a tuner???, unless u are an electrical wiz don't try this or you will ruin a $500 harness, do u have the factory wiring diagrams and know how to read them??? This is a very bad idea

  • Chuck Martin
    Chuck Martin May 11, 2010

    The only way to do this is with a Tuner where you can access the PCM programing and disable it. The dealer doesn't have this capability. The PCM has to see the signal so it has to be reprogramed to disable it. You can do a goggle search on OBDII tuners but last time I checked they were a few hundred bucks.

  • yadayada
    yadayada May 11, 2010

    have you had it tested for trouble codes? the system is very simple in how it works.

  • yadayada
    yadayada May 11, 2010

    the anti theft system is built into the powertrain control module (main computer for engine and emission system) of the van and is not defeat-able unless u want to take apart the wiring harness, this would involve removing the dash and many other components, what is the problem with the system?

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  • Ford Master
  • 4,369 Answers

Anti-Theft —Passive The passive anti-theft system (PATS) contains the following components:

  • theft indicator
  • encoded ignition key
  • transceiver module
  • instrument cluster
  • powertrain control module (PCM)
  • standard corporate protocol (SCP) communication network
  • starter relay
The PATS uses radio frequency identification technology to deter a driveaway theft. Passive means that it does not require any activity from the user. This system is known as SecuriLock® in North America, Safeguard® in the U.K. and PATS in continental Europe. This information can be found in customer literature such as the Owners Guide.
The PATS uses a specially encoded ignition key. Each encoded ignition key contains a permanently installed electronic device called a transponder. Each transponder contains a unique electronic identification code, with over 72 million billion combinations.
Each encoded ignition key must be programmed into the vehicle's instrument cluster before it can be used to start the engine. There are special diagnostic procedures outlined in the manual that must be performed if the encoded ignition keys need to be replaced.
The encoded key is larger than a traditional ignition key. The key does not require batteries and should last the life of the vehicle.
The transceiver module communicates with the encoded ignition key. This module is located behind the steering column shroud and contains an antenna connected to a small electronics module. During each vehicle start sequence, the transceiver module reads the encoded ignition key identification code and sends the data to the instrument cluster.
The control functions are contained in the instrument cluster. This module performs all of the PATS functions such as receiving the identification code from the encoded ignition key and controlling the engine enable. The instrument cluster initiates the key interrogation sequence when the vehicle ignition switch is turned to RUN or START.
The PATS uses the PCM to enable or disable the engine. The instrument cluster communicates with the PCM over the SCP communication network in order to enable engine operation. The instrument cluster and the PCM use sophisticated messages in order to prevent a theft. The instrument cluster and the PCM share security data when first installed together that makes them a matched pair. After this security data sharing, these modules will not function in other vehicles. The shared PCM ID is remembered even if the battery is disconnected. The instrument cluster also stores the vehicle's key identification code even if the battery is disconnected. There are special diagnostic procedures outlined in this workshop manual that may be performed if either the instrument cluster or the PCM needs replacement.
All elements of PATS must be functional before the engine is allowed to start. If any of the components are not working properly, the vehicle will not start.
PATS uses a visual theft indicator. This indicator will prove out for three seconds when the ignition switch is turned to RUN or START under normal operation. If there is a PATS problem, this indicator will either flash rapidly or glow steadily (for more than three seconds) when the ignition switch is turned to RUN or START. PATS also "blips" the theft indicator every two seconds at ignition OFF to act as a visual theft deterrent.
PATS differs from perimeter anti-theft systems in that PATS enables and disables the engine from starting. If equipped, the perimeter anti-theft system protects the perimeter of the vehicle (doors, hood and trunk) and sounds an alarm.
PATS also disables the starter motor in addition to the PCM disabling the engine. When PATS disables the vehicle, it will neither crank nor start. If the instrument cluster is removed from the vehicle, the engine will not crank.
The starter relay is used as an additional means of disabling the vehicle engine. The starter relay is disabled when the PATS cannot read a valid encoded ignition key at ignition ON. The PATS will not store a diagnostic trouble code (DTC) or flash the theft indicator if a valid encoded ignition key is read but a fault occurs in the starter relay circuit.
The PATS is not compatible with after market remote start system, which allow the vehicle to be started from outside the vehicle. These systems may reduce the vehicle security level, and also may cause no-start issues. Remote start systems must be removed before investigation of PATS-related no start issues.

Posted on Mar 13, 2009

  • gerry bissi Mar 13, 2009




    Visual Inspection Chart


    Mechanical

    Electrical




    • Ignition lock cylinder
    • Encoded ignition key (PATS key)
    • Use of non-encoded ignition key (key without the molded plastic head, non-PATS key)
    • Use of a non-programmed encoded ignition key



    • Central junction box (CJB) Fuses: 28 (10A), 14 (10A), 16 (10A), 9 (10A)
    • PATS transceiver
    • Circuitry
    • Ignition switch







    B1600
    PATS Ignition Key Transponder Signal Is Not Received
    ICM
    GO to Pinpoint Test B1600 .

    B1601
    PATS Received Incorrect Key-Code From Ignition Key Transponder
    ICM
    GO to Pinpoint Test B1601 .

    B1602
    PATS Received Invalid Format of Key-Code From Ignition Key Transponder
    ICM
    GO to Pinpoint Test B1602 .

    B1676
    Battery Pack Voltage Out of Range
    ICM
    REFER to Section 414-00 .

    B1681
    PATS Transceiver Module Signal Is Not Received
    ICM
    GO to Pinpoint Test B1681 .





    Chart





    Condition

    Possible Sources

    Action






    • No communication with the module — instrument cluster



    • CJB Fuses: 28 (10A), 14 (10A), 16 (10A), 9 (10A).
    • Circuitry.
    • Instrument cluster.



    • GO to Pinpoint Test A .






    • The anti-theft indicator is always/never on



    • Instrument cluster.
    • Circuitry
    • CJB Fuse 16 (10A).
    • Anti-theft indicator.



    • GO to Pinpoint Test B .






    • The vehicle does not start— theft indicator proves out for 3 seconds as normal but starter will not crank



    • Circuitry
    • Instrument Cluster



    • GO to Pinpoint Test B .






    • The vehicle does not start — theft indicator is flashing or continuously on



    • Less than two keys programmed to the system.
    • PATS transceiver not connected/defective.
    • Circuitry.
    • Transceiver internal antenna damaged.
    • Non-PATS key, damaged key or no code received.
    • Partial key read of PATS key.
    • Unprogrammed PATS key.



    • PERFORM Instrument Cluster On-Demand Self-Test. RETRIEVE DTCs. If DTCs are present, GO to Instrument Cluster Diagnostic Trouble Code (DTC) Index. If no DTCs are retrieved, CHECK for other possible no-start causes.





    • No PCM ID stored in PATS.
    • PATS/PCM ID do not match.
    • Problem with SCP link.



    • CLEAR the stored DTCs. CYCLE the ignition key from OFF to RUN. RETRIEVE continuous DTCs. If DTCs are present, GO to Instrument Cluster Diagnostics Trouble Code (DTC) Index. If no DTCs are retrieved, CHECK for other possible causes.






    • The alarm system does not operate correctly— the vehicle starts but flashes a fault code on theft indicator at key ON



    • Incorrect PCM calibration


  • gerry bissi Mar 13, 2009

    try reprogramming your keys before going any further



    Key Programming —Program a Key Using Two Programmed Keys




    Special Tool(s)



    New Generation STAR (NGS) Tester or equivalent
    418-F048 (007-00500)

    NOTE: This procedure only works if two or more programmed ignition keys are available and it is desired to program additional key(s). If two keys are not available, follow the procedure in Key Programming—Erase All Key Codes and Program Two Keys .

    NOTE: PID SPARE_KY must be enabled for this procedure to operate. If this Parameter Identification (PID) Index is not enabled, follow the security access procedure and select Spare Key Programming Switch: Enabled.

    NOTE: If the programming procedure is successful, the new key(s) will start the vehicle and the THEFT INDICATOR will illuminate for approximately three seconds.

    NOTE: If the programming procedure is not successful, the new key(s) will not start the vehicle and the THEFT INDICATOR will flash. If the programming procedure was not successful, repeat the key programming procedure from Step 1. If the failure repeats, check Circuit 1001 (WH/YE ) (hot at all times) in instrument cluster for proper battery voltage. Repair the circuit if voltage is not present. For additional information, refer to Diagnosis and Testing to review diagnostic trouble codes (DTCs) and perform pinpoint tests as required.

    NOTE: A maximum of eight ignition keys can be programmed to a passive anti-theft system (PATS) equipped vehicle. Use PID NUMKEYS to determine how many keys are programmed to the vehicle.

    NOTE: If the steps are not performed as outlined, the programming procedure will end.

    NOTE: Ignition keys must have correct mechanical key cut for the vehicle and must be a PATS encoded key.


    1. Insert the first programmed ignition key into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain the ignition switch in RUN for one second).


    1. Turn the ignition switch to OFF and remove the first key from the ignition lock cylinder.


    1. Within five seconds of turning the ignition switch to OFF, insert the second programmed ignition key into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain the ignition switch in RUN for one second).


    1. Turn the ignition switch to OFF and remove the second key from the ignition lock cylinder.


    1. Within 10 seconds of turning the ignition lock cylinder to OFF, insert the unprogrammed ignition key (new key) into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain the ignition switch in RUN for 1 second).


    1. If it is desired to program additional key(s), repeat the key programming procedure from the beginning.

    ----------------------------------------------------------------------------------------------------------------------

    need NGS tool to do this. dealer only.

    Key Programming —Additional Key With One Programmed Key

    NOTE: This procedure is used when a customer needs to have an additional key programmed into the vehicle without erasing stored key codes, but does not have two programmed keys available. This procedure is also useful when attempting to determine if an ignition key is defective, as a new key can be installed without erasing keys or without having two programmed keys available.

    NOTE: Before programming, the new key must have the correct mechanical cut for the ignition lock.

    NOTE: If eight keys are already programmed, this procedure will not allow any further ignition keys to be programmed without erasing all stored key codes first. The number of keys programmed into the system can be determined using the PID NUMKEYS.


    1. Turn the ignition switch from the OFF position to the RUN position using the new, unprogrammed ignition key.


    1. Enter NGS/SBDS using the Ford Service Function (FSF) card and enter the appropriate instrument cluster. Follow Security Access to obtain security access. For additional information, refer to Security Access—Procedure .


    1. From the NGS/SBDS menu Select: IGNITION KEY CODE PROGRAM.


    1. Turn the ignition switch to the OFF position and disconnect NGS/SBDS.


    1. Attempt to start the engine with the new ignition key. The vehicle engine should start and run normally.


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Tell me your problem and perhaps I can give u and answer, I am a Ford Factory Technician.

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