Question about 2001 Ford Focus

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2001 ford focus anti theft

I have no keys for my focus now ,it,s waiting at the dealer but keys are on back order,, I would like to completely disabled the anti theft so regular keys can be used,, no chip needed

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  • fouad18 Dec 09, 2008

    2002 ford taurus wont start and the anti-theft light blinking

  • Chris Deviney Aug 12, 2013

    we have a 2001 ford Focus zx3 just changed computer and it is now not showing the mileage like the securtiy system is malfunctioning we do not have the push button key anyway so how can we shut the system down so the computer will then run the car?

  • Joe Stanton Oct 18, 2013

    The Only Way To Disable The Anti-Theft Function Of The Ford ECU Would Be To Delete That Parameter In The In The ECU.. If The ECU Is Not Equipped With An EPROM You Will Not Be Able To Write The Anti- Theft Function Out Of The Program

  • Joe Stanton Oct 18, 2013

    The Anti-Theft Function Saved Insurance Companies Millions. Unfortunatly It Just Incurred Extra Cost And Locking You Out Of Your Own Car. The Next Big Thing That Your Car Computer Will Do For You Is That It will Notifie The Authorities If Your Are Speeding And GPS Function Will Show Them And Your Insurance Co. Where You Live And Who You Are. Try Missing A Few Payments. Gmac Will Lock You Out And They Know Where The Car Is.

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Yes its possible to disable the alarm immobiliser ,remove the ECU unit .then solder in a 12v supply from the on side of ignition,find a suitable connection in the wiring harness feed and solder to a switching transistor on the side of unit with a heat sink to the base connection of a transistor that controls the feed to another three transistors ,starter motor earth for relay,fuel pump earth relay,and ignition ,no relay and away you go location of transistors iam not saying as i dont wont the car theives reading it ,but its as easy as falling off a log when you know the colour of the wires, pin numbers and a magnifying glass soldering iron .took me hours to follow the the connections in the fuse box separating the two halves to follow circuit,tracing wires back to ECU then following printed circuit but i have done it .SO DEALERS EAT YOUR HEART OUT ANOTHER FOOD WITHOUT WORKING FOR IT JOB LOST .going to try it out on a dammed renault when i get time.Also sell the details over the internet ???? no i dont think so iam just glad i have pissed off the local dealers that wanted 200€

Posted on Dec 10, 2008

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  • frank jansen Dec 26, 2012

    so, if I understand this correctly I only need to run 1 wire to 1 transistor? And the transistor needed controls the transisters for fuel starter and ignition? WOW that would easier than rewiring the relais

  • Clyde Ransom
    Clyde Ransom Jan 30, 2014

    where on the internet do you sell this plan/instructions?

  • prince hawkins Jun 11, 2015

    I wish I knew whaat you were saying...do I wire it inside the alarm computer,or something different

  • prince hawkins Jun 11, 2015

    I ran a wire to mfuel pump but I guess im not getting spark,im gonna try running hot to my coil or whateverif I cant find this magic transistor

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I just replaced the computer on my 2002 ford focus and now it doesnt start someone told me that i needed both keys to reset the anti-theft is it true and how do you reprogram the anti-theft system

Posted on Apr 16, 2010

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  • 39 Answers

It would be impossible to disable the security feature without a programmer, the entire idea of the system is that no one without the proper key can start the vehicle, there is a program called "sniper" that can disable PATS (the security system in your car, Passive Anti Theft System) but it is costly, another idea to try is to call local lock smiths in your area, it is possible that one may have your key in stock even though the dealer does not,

Posted on Oct 06, 2008

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Your "inmobiliser" system is actived.

The anti-theft feature prevents the car from being started when one of several anti-theft devices is faulty are have otherwise been activated. The problem you descibe might be the ignition swith, which is known to wear out quickly on those models. The system can be completly disabled only when the car is running (meaning the teft deterent system is inactive after the Passlock II system detects the proper key in the ingition). A wire can be cut that would perminantly disable Passlock II, meaning any key that opens the door (or a screwdriver) could start the car. If the ignition swtich goes out or this wire is cut while the engine is off (theft deterent system is active) then the car will have to be towed back to the dealer to have the ignition system replaced and reprogrammed.

I have called Chevy and asked how to fix this problem. If you turn the key to the on position, right before it cranks when the lights and radio turn on. Leave it there for ten minutes until the anti theft light turns off. Then turn the key to the off position and then try starting the car.

Rumour has it that it is a yellow wire to be cut. Do more research, but D O N ' T cut it with the engine off. See first paragraph above.

Hope this help (remember rated and comment this). Good luck.

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1 Answer

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If the anti-theft light is flashing then it is in theft mode. If this is the case turn the key on and wait 1 hour then cycle the key to see if it starts if it does you have a anti-theft problem see dealer. sorry.

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Dealer repair due to reprogramming needed for anti -theft system

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And Sorry There Is No By Passing The Computer

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