Anyone know how to bypass the immobilizer circuit?
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Joined: Mar 2006
Posts: 1,108
Total Cats: 233
From: Indianapolis, IN
Anyone know how to bypass the immobilizer circuit?
I've got a 2003 tub that I am rebuilding. I have a 2001 ECU, and no immobilizer. I will likely be going with Adaptronic or an MS2/3 with DIY's VVT box in the future, but trying to find a cheap option to get the car running now. Does anyone know of a way to get the 01 ECU to work without an immobilizer?
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I don't know how "deep" the immobilizer is coded into the ECU, but I think it's just a fuel pump killer. So you possibly could control the fuel pump externally of the ECU, and then take a drive. But this is only a WAG.
FWIW, the immobilizer system is comprised of the ECU, immobilizer box, and ignition switch. These things need to be kept together.
FWIW, the immobilizer system is comprised of the ECU, immobilizer box, and ignition switch. These things need to be kept together.
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Thread Starter
Joined: Mar 2006
Posts: 1,108
Total Cats: 233
From: Indianapolis, IN
That's a good place to start, thanks Ben. Should be easy enough to hotwire the pump to check. And are you sure the switch has to be paired w/ the ECU/ immobilizer? From my researching on m.net, it sounded like you could add the ecu/immobilizer pair to another car, but would require some vaseline and a trip to the Mazda dealer.
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Thread Starter
Joined: Mar 2006
Posts: 1,108
Total Cats: 233
From: Indianapolis, IN
Nope, I'm 125 miles from the car, haven't messed with it. I was going to try hard-wiring the fuel pump to see if that would work, then wire it up to a relay connected to the ignition if that is the case. I still have to install the engine, etc. in the car though. It will be a couple months before I get to it.
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