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Disconnect Toyota Alarm/immobiliser?


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#1 Neil Clark

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Posted 04 July 2003 - 07:10 PM

MR2, 1992

Is there anyway to disconnect these? remove a fuse?

Had a cat1 fitted and they arnt happy together! :ffs:

Thanks again team, what would i do................... :D

Neil

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#2 Dame

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  • Toyota Model: 1993 Red MR2 GT Turbo Coupe & 1994 White UK GT with Sun Roof

Posted 09 July 2003 - 09:45 PM

Hello Mate, I've found the wiring diagram for the Toyota Immobiliser in my workshop manual, it is on my site at the following links:

http://www.overtyre....k/MR2/Imob1.jpg

and

http://www.overtyre....k/MR2/Imob2.jpg

This will tell you the parts location, and the wiring diagram, should be sufficient to remove it, and wire everything back up.

It looks like it works by cutting power to the starter motor relay - so maybe if you remove the connection from here to the Immobiliser ECU, you can bypass everything? Anyway, and half decent mechanic should be able to help you out - and if you get really stuck, I'll see if I can figure out how to remove it, but not having seem one of these in the flesh means I can only theorise.

I hoping it is 'doubled' wired into the other systems i.e. door lock motors etc are wired independently to the Immobiliser ECU as well as to the normal car systems and not wired throught the Alarm ECU which would make things a little tougher. It looks that way, meaning you can just disconnect the wires that go to the Immobiliser ECU and everything will still work,

Hope this helps :)

P.S Let me know when you have the info, I don't want to leave it online for long - copyright issues etc.

#3 sasha226

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Posted 24 September 2005 - 12:07 AM

Hi, I was just wondering if you caould send me the same information on the toyota immobiliser? And if it would apply to my toyota rav4 2003 model? :)



Hello Mate, I've found the wiring diagram for the Toyota Immobiliser in my workshop manual, it is on my site at the following links:

http://www.overtyre....k/MR2/Imob1.jpg

and

http://www.overtyre....k/MR2/Imob2.jpg

This will tell you the parts location, and the wiring diagram, should be sufficient to remove it, and wire everything back up.

It looks like it works by cutting power to the starter motor relay - so maybe if you remove the connection from here to the Immobiliser ECU, you can bypass everything? Anyway, and half decent mechanic should be able to help you out - and if you get really stuck, I'll see if I can figure out how to remove it, but not having seem one of these in the flesh means I can only theorise.

I hoping it is 'doubled' wired into the other systems i.e. door lock motors etc are wired independently to the Immobiliser ECU as well as to the normal car systems and not wired throught the Alarm ECU which would make things a little tougher. It looks that way, meaning you can just disconnect the wires that go to the Immobiliser ECU and everything will still work,

Hope this helps :)

P.S Let me know when you have the info, I don't want to leave it online for long - copyright issues etc.

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#4 Roytoner

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Posted 24 September 2005 - 09:42 AM

All I did was cut the wire to the boot lock, That way it thinks the boot's open and doe's not arm.

#5 will it work

will it work

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Posted 18 March 2010 - 03:56 PM

hi i need to remove the immobilizer out of my celica gt to fit my new one any ideas dean thanks all.

#6 geminichick

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Posted 07 September 2010 - 02:09 PM

my immobiliser buton broke and i need to get a way around it ???? anyone know

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