Question about 2004 Mazda 3

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Mazda sting 1995. Immobilizer

When inserting the plug before starting up the immobilizer fails to disengage.The immobilizer unit has got wet and probably needs replacement.Is there a way to overide the unit until its convenient to have the problem permanently repaired.

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  • Colin Stickland
    Colin Stickland May 11, 2010

    factory or weekend boy racer type

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5 Suggested Answers

ginko
  • 19396 Answers

SOURCE: 2004 mazda rx8 immobilizer system

This depends on what model of car stereo is installed.

Ususally if there is any unlock code needed, this is printed into a sticker provided with car documentation, or into the car user manual.

Checking on the Internet I have found no unlocking procedure for Mazda rx 8 , this usually means that there is no unlocking code.

The best thing to do to ensure that your car stereo does not need any unlock code is giving a quick call to your local mazda dealer, they can check in their database and find out if the code is needed.

If the code is needed and you lost it , you will need to give the car stereo model number, printed on the service tag at the back of the stereo, to a car radio unlock service, this costs about $10.

If your stereo does not require a code, it will just restart.

Call a local mazda car dealer and enquire about the car stereo if you disconnect the battery.

Posted on Oct 29, 2008

Mr BrokRench
  • 1623 Answers

SOURCE: immobilizer

If there is a blinking car icon with an "X" over it. This icon means the Immobilizer has been activated and hence won't allow the car to start. It could be due to a bad SCU, Start Control Unit. The SCU is actually the ignition switch on these cars.
Most of the time it's triggered by the anti-theft system..You can try this trick i learned that the dealers won't tell you...try locking and unlocking of the doors five times with the remote to reset the immobilizer and see if this helps.
Good luck..i hope this helps...please take a minute to rate me a fixya.

Posted on Jul 15, 2009

ahmed_mmm
  • 72 Answers

SOURCE: 2005 Mazda 6 Immobilizer System

try the spare key if the problem still persist .
then you have to diagnose the immo system by scan tool to know which DTC is recorded

Posted on Sep 16, 2009

MECP Guy
  • 344 Answers

SOURCE: how to disable honda accord 1997 Immobilizer

I show immobilizers where only started in the 1998 accords, if you have a remote starter and they used a key in the box bypass all you need to do is find the box under the dash open it up and use the key

Posted on Jan 31, 2010

MECP Guy
  • 344 Answers

SOURCE: 2002 eclipse wont start. electronic immobilizer

disconnect the neg battery terminal for 30 sec leave drivers door open, reconnect and start your car, if the alarm turns on after conecting battery use your key in the drivers door and unlock

Posted on Jan 31, 2010

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1 Answer

How does key fob work


Depending on the specification of your vehicle, the FOB generally serves one (or both) of the following functions:

1) Communicate with the vehicle's Keyless Entry system (operates central locking).
2) When inserted into the ignition, the transponder within the key will communicate with the vehicle's Body computer (BEM) to validate entry, before disengaging the immobilizer - allowing the vehicle to start.

When the key fob fails, you may lose functionality of the above systems.

Keyless entry failure - usually due to flat battery in the fob. Reprogramming of keyless entry can be done without dealership assistance.

Transponder/Immobilizer failure - this requires the key fob to be re-programmed by your local dealership.


Hope this helps....

Nov 28, 2011 | 1998 Toyota Camry

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Need to override factory keyless entry wont start


First of all you need to programm all ignition keys using suitable diagnostic equipment (VAS, VAG-Com) connected to the data link connector of the car.

You have an electronic immobilizer key recognition problem. Now your key chip is not recognized by the transponder antenna fitted on the ignition switch barrel.

  • Everytime when you had a new key you must programm all available ignition car keys before trying to start the engine with this new key !!!

    tdisline_775.jpg


    This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

    From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.

    tdisline_776.jpg
  • Oct 30, 2011 | 1999 Volkswagen Jetta

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    Vw beetle does not start. seems like its some kind of anti theft protection. the car/key icon lights up, it turns over for a second , then off. this is the first time this has happened, but we bought it...


    First of all you need to programm all ignition keys using suitable diagnostic equipment (VAS, VAG-Com) connected to the data link connector of the car.

    You have an electronic immobilizer key recognition problem. Now your key chip is not recognized by the transponder antenna fitted on the ignition switch barrel.

  • Everytime when you had a new key you must programm all available ignition car keys before trying to start the engine with this new key !!!
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    tdisline_775.jpg

    This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

    From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.

    tdisline_776.jpg

    Oct 15, 2011 | 1999 Volkswagen Beetle

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    Immobilizer active reset on 2006 volkswagon passat


    First of all you need to programm all ignition keys using suitable diagnostic equipment (VAS, VAG-Com) connected to the data link connector of the car.

    You have an electronic immobilizer key recognition problem. Now your key chip is not recognized by the transponder antenna fitted on the ignition switch barrel.

    tdisline_775.jpg


    This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

    From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.

    tdisline_776.jpg

    Oct 12, 2011 | 2006 Volkswagen Passat

    1 Answer

    HAD A NEW KEY MADE AND NOW IT WON'T START


    Everytime when you had a new key you must programm all available ignition car keys before trying to start the engine with this new key !!!

    First of all you need to programm all ignition keys using suitable diagnostic equipment (VAS, VAG-Com) connected to the data link connector of the car.

    You have an electronic immobilizer key recognition problem. Now your key chip is not recognized by the transponder antenna fitted on the ignition switch barrel.

    tdisline_775.jpg


    This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

    From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.

    tdisline_776.jpg

    Oct 04, 2011 | Volkswagen Passat Cars & Trucks

    1 Answer

    Ecu blocked and immobiliser activated


    You have an electronic immobilizer key recognition problem. Your key chip is not recognized by the transponder antenna fitted on the ignition switch barrel. Do you have this warning symbol lightning on the dashboard?

    tdisline_775.jpg


    This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

    From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.

    tdisline_776.jpg
    Use another ignition key that you have, and start the engine.

    You will need to programm all ignition keys using suitable diagnostic equipment (VAS, VAG-Com) connected to the data link connector of the car.

    Sep 22, 2011 | 1999 Volkswagen Passat

    1 Answer

    2001 vw passat...its starts up and then shuts off within 2 seconds...imobilizer light comes on...when car sits for a while its starts....but then it will not start intermitantly again? help!!!


    You have an electronic immobilizer key recognition problem. Your key chip is not recognized by the transponder antenna fitted on the ignition switch barrel. Do you have this warning symbol lightning on the dashboard?

    tdisline_775.jpg


    This warning lamp indicates that the engine is locked by the immobilizer system, and the engine start sequence must be repeat again.

    From year 1995 in Audi-VW (VAG) cars is used engine immobilizer. The VAG group immobilizer system consists of an immobilizer ECU which controls the recognition of keys and the Engine Management ECU system. Immobilizer is activated when the ignition key is removed and, together with the engine control unit, largely prevents unauthorized starting of the engine. The system uses a transmitter and receiver unit in the ignition key (transponder). Whenever an attempt is made to start the engine, it transmits a new code to the car's electronics. The immobilizing is only cancelled and car motor electronic receives permission to start engine if the key sends a right authorization code.

    tdisline_776.jpg
    Use another ignition key that you have, and start the engine.


    You will need to programm all ignition keys using suitable diagnostic equipment (VAS, VAG-Com) connected to the data link connector of the car.

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    I have a 2004 Mazda MPV LX. I'm trying to install a remote start & I'm told it may have an immobilizer? How do I find out for sure if it does & where would it be located under the dash?


    THE IMMOBILIZER CUTS OFF POWER WHEN THE KEY IS NOT INSERTED BECAUSE THE KEY HAS A CHIP. GO TO YOUR LOCAL CAR STEREO SHOP AND TELL THEM YOU NEED THE BYPASS BOX. COMMENT BACK AND LET ME KNOW HOW IT WORKS OUT.

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    2005 Mazda 6 Immobilizer System


    try the spare key if the problem still persist .
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    Mazda 323 2002 Sting Immobilizer


    Fcuk I got same problem with my Mazda 3 year 2004. Noone can help me at all !!! Even in Mazda they have no idea where is problem. For me it is at the moment only in cold weather. I cannot get throught immobilizer. After few turns it works, but not always (only when its bit warmer). I found out that if it is warmer, and I turn on ventilation for a while after it will let me go! Immobilizer starts flashing ... after few more minutes and turning key few times it will let me go !!! Please write me to tomaupair@hotmail.com if you will know updates... I am desperate , cannot use my car in winter at all or cold weather. In summer works fine

    Sep 18, 2008 | 2004 Mazda 3

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