Question about 2005 Ford Freestar
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Posted on Jan 02, 2017
Try your spare key first. also, does the anti theft visual indicator (red flashing light) prove out, that is light for three seconds when key is turned to on.
here's some info.
Principles of Operation
The passive anti-theft system (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 out of over 18 billion, billion combinations.
The passive anti-theft system (PATS), also known as SecuriLock ®, uses radio frequency identification technology to deter a drive-away theft. This system is known as SecuriLock® in North America, Safeguard® in the U.K., and PATS in continental Europe. Passive means that it does not require any activity from the user.
The SecuriLock® System (PATS) is not compatible with NON-FORD remote start systems, 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. If equipped, the remote start system must be removed before investigation of PATS-related, no-start issues.
Each encoded ignition key must be programmed into the vehicle's powertrain control module (PCM) before it can be used to start the engine. The correct ignition key is a different design than prior model years. Consult the Rotunda Key Ordering Guide for the correct part number. There are special diagnostic repair procedures described in this section that must be carried out if a new encoded ignition key is necessary.
This system contains a new feature named Unlimited Key Mode. This feature allows a customer to program more than eight keys to the vehicle if they request it. Each vehicle in Unlimited Key Mode is set up with a special unlimited transponder security key. This allows all the customer vehicles to share the same keys, but no other keys from outside can be used to operate the vehicles. For an individual customer, any randomly selected security key is acceptable. Refer to Unlimited Key Mode Programming in Key Programming Switch State Control in this section.
The PATS transceiver module communicates with the encoded ignition key. The 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 data to the PCM.
The control functions are contained in the PCM. This module carries out all of the PATS functions, such as receiving the identification code from the encoded ignition key and controlling the engine enable. The PCM initiates the key interrogation sequence when the vehicle ignition switch is turned to RUN or START.
All elements of the PATS must be functional before the engine is allowed to start. If any of the components are not working correctly, the vehicle will not start.
PATS uses a visual theft indicator. The 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 concern, this indicator will either flash rapidly or glow steadily when the ignition switch is turned to RUN or START. The PATS system also flashes the theft indicator every two seconds at ignition OFF to act as a visual deterrent.
PATS will be activated and will disable the vehicle from starting if there is:
Posted on Jan 09, 2009
Like Laurie Mack said. It is the inertia switch below the glove box. Here is some funny information. DON'T change the fuel pump first. Interesting fact: I bought the new inertia switch from Ford and the install instructions that came with it said to install the switch in the protected area to the right where the fuses are. It is like Ford knows it was a dumb place to put the inertia switch, but they won't let you know until after you buy a new one. I have read at least 20 other people on here that had the same problem I just had.
Posted on Apr 14, 2009
Hello genobeano: My name is Roger and I will give some information that should help. When you replace the pick up coil also replace the ignition module. The ignition module will short out the pick up coil. If the module is attached to the side of the distributor be sure to use die electric grease when installing the module on the distributor. Should you not use the grease you will burn up the ignition system. By the same token should the pick up coil short out the module will burn out. The fact it runs for a short time says that you have a heat problem. Normally is in the ignition system. There was a tech bulletin to replace the pick up and module as a unit to correct the problem.
Please rate the answer as this lets us know you received correct information. Should you need further help please just ask. Thank You for using Fix Ya. Roger
Posted on Jun 17, 2009
I had the same problem and apparently fixed it by mistake. I replaced the cruise control deactivation switch under the master cylinder, hoping the cruise would be fixed. Some how with that the "trac off" light went out and gave me the ability to turn it on/off from the button again. The part was $30 from the local dealer and easy to replace. Before you run out to replace the switch check the connections on the old one. It plugs in upside down which may accumulate water from puddles and things causing connection issues ( a known problem ).
Posted on Sep 23, 2009
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