View Full Version : immobilizer bypass - Remote starter
dj_adamix
12-24-2010, 11:11 AM
Hey guys, just got a new aftermarket remote starter module.
Ive been reading around and found the issue with immobilizer bypass our mz3's have.
I know i need a bypass module that will immitate keys code and unlock the immobilizer. But for now i just want to use my spare key dor this purpose.
Now, i know the system works by using RFID. Where exactly is the RF sensor for the key? is it the little red cap in front of ignition key hole?
Is there any other place where i can hide my key for now untill i get bypass module ?
I found on some websites that hiding the key in engine bay would solve the problem, but i really doubt it since RFID usually works max 20-30cm away from the sensor.
I could always get a extra spare key, cut out the chip and place it right in front of the sensor but that's just extra work.
Is there any other good spot to put my key/chip?
Thankss
dj_adamix
12-24-2010, 11:15 AM
I was even thinking of some kind of mechanical actuator which would push the chip out of the shilding housing when i press the ignition button on the remote. This would work like an immobilizer bypass module (my module has aux o/p that can be used to this), sort of lol. But if the sensor is where i described earlier, then this would be a really hard task to do since there isnt that much space.
dj_adamix
12-24-2010, 11:24 AM
I just found this.
http://www.the12volt.com/installbay/uploads/immob_bypass.jpg
Would this work ?? what if i designed a simple electronic switch, that would close the circuit only when ignition on the remote is pressed? i think that would work? what you guys think ?
Donutz
12-24-2010, 11:43 AM
There are aftermarket remote starter / alarms that do this already. Compustar pro for example. You night want to consider returning your starter and buying one with the features you need. Personally I wouldn't want to leave a key in my car, hidden or not.
dj_adamix
12-24-2010, 12:06 PM
I would want to do that, but the module was a gift, so i guess ill stick with what i have. If i decide to just leave the key in ill get a new one and cut out just the chip. i dont feel safe leaving the entire key in. also i was thinking of building something like on the picture and attaching it to the antenna wire for RFID and using a relay. so normally relay would hook ur stock antenna and when remote is pressed relay would switch to the schematic thats on the pic. That would basically work just like a bypass module you can buy online...
This thing could work.There will be losses of magnetic field, and coil around the key cylinder must contain a bit more turns then coil around the key, let say on 25-40 percents. But can work.
DumpInfo
12-24-2010, 04:28 PM
Noob question....how much does a bypass module go for and where could one get one at a decent price? Thanks :)
dj_adamix
12-24-2010, 05:56 PM
This thing could work.There will be losses of magnetic field, and coil around the key cylinder must contain a bit more turns then coil around the key, let say on 25-40 percents. But can work.
sas do you think i should go for it and build it, or should i just get a normal bypass module online? In theory this thing should work, and a relay would toggle between original oem antenna and added antenna around the key chip. so when ever button is pressed for ignition it would switch to new antenna and bypass the immobilizer. I just dont wanna do it and waste time if it wont work... i have magnetic wires and everything i need , well i need to get a relay but besides that i have everything i need
another thing, do you guys know where the antenna connector from the key cylinder leads to ? i dont want to hook up wires there i rather do it on other side of the connector where is more room to operate.
Thrizzl3
12-24-2010, 05:58 PM
Noob question....how much does a bypass module go for and where could one get one at a decent price? Thanks :)
Audioheaven charges $70 for the bypass module.
McGuyver_3
12-24-2010, 06:27 PM
i got one on ebay for 40$
DumpInfo
12-24-2010, 06:41 PM
i got one on ebay for 40$
Do you know from who I'm gonna be needing one.
McGuyver_3
12-24-2010, 06:48 PM
im trying to find a link but they are all ended items. It is called the omega IB-F3 that you need
here is the link (http://www.mypushcart.com/bypasscompat.htm)
dj_adamix
12-25-2010, 02:00 AM
well since a new spare key would cost me more than the module, im goin to order one instead lol
McGuyver_3
12-25-2010, 02:22 AM
heres an alternative
key (http://cgi.ebay.com/ebaymotors/MAZDA-TRANSPONDER-KEY-CASING-3-5-6-RX8-MX5-CX-7-CX-9-_W0QQcmdZViewItemQQhashZitem3a55cb0c5dQQitemZ25054 7473501QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccesso ries)
get it cut program it to the car (aslong as you have 2 keys you are laughing) and you can go this route by breaking off the keay part of it
just make sure it has the transponder chip in it
.
RF components are integrated into coil antenna, only two data wires are running from coil antenna directly to instrument cluster.
The universal module demanding the key should be quite cheap 25-35$
http://www.autotoys.com/x/home.php?cat=144 (http://www.autotoys.com/x/home.php?cat=144)
I think, I’d prefer a manufactured module than any experiments in this cold weather.
Or you can look a programmable module.
One of the possible variants.
http://www.velocitymotorsport.com/security/ford_transponder.htm (http://www.velocitymotorsport.com/security/ford_transponder.htm)
dj_adamix
12-25-2010, 12:17 PM
yeah i would play around with it if it was summer lol.
i ordered xpresskit PKALL module which it says its self learning and compatible with mazda 3, also has D2D function so it will hook up directly to my remote starter.
dj_adamix
01-04-2011, 11:06 AM
So i could not find any store that has PKALL xpresskit in stock so i decided to buy one from futureshop. They had idataLink modules ADS-TB which comes preflashed for Kia and hyunda. Stupid future shop service sucks when it comes to those modules!!
Guy told me this will work for my mazda, he didnt mention anything that it comes preflashed for Kia and Hyundai. I asked few times, he said it will work for sure. So i went to my friends garage, took my car apart just to find out that that module wont work without flashing it to FM (ford mazda) firmware.... which requires special cable as well.... GRR.... i was so mad, but went back to futureshop next day and had it reflashed. after that it works like a charm. simple install( 3 wires to solder + 1 cable just plugs in to the remote starter).
Works great :)
I know i could''ve gotten one off ebay for 40 bucks but i needed it right away.
TheMAN
01-04-2011, 09:30 PM
personally, I'd just get the mazda kit which does not require this bypass nonsense which detracts from the security feature I paid my hard earned dollars for
the mazda kit integrates itself with the factory immobiliser system and works perfectly
McGuyver_3
01-05-2011, 01:16 AM
personally, I'd just get the mazda kit which does not require this bypass nonsense which detracts from the security feature I paid my hard earned dollars for
the mazda kit integrates itself with the factory immobiliser system and works perfectly
I dont know about the new style ones but the early ones had a key sense that was a ring that you simply attached around ignition cylinder and sent the info in to the mazda starter box.
TheMAN
01-05-2011, 03:49 AM
the "ring" is simply a transceiver for providing the immobiliser code from the remote start module... no code is contained in it... it is sent there and the antenna picks it up only when it is needed, maintaining security... thus it is a true 3rd key programmed to the car... you can't just simply hot wire the car and it will start like you will with the aftermarket alarm/remote starter hackery
dj_adamix
01-05-2011, 09:13 AM
Well yeah, its RFID technology. Loop around the ignition barrel acts like an antenna which sends the code to the ignition antenna inside the barrel. those kind of modules require a spare key.
Personally i wouldnt buy one from mazda, i can imagine it costs way more than what i payed. And does the same thing. Im just happy i managed to hook everything up and its running just fine.
Auto-Links
01-13-2011, 12:15 PM
Idatalink (Idatalink.com) makes the best immobilizer interfaces for most vehicles.
For the mazda3 it does not require you forfeit a key or wrap anything around the ignition. Instead the module will copy the code from the key and transmit it to the immobilizer only when you remote start.
This is the best aftermarket solution if you plan to install a remote start in your car.
TheMAN
01-14-2011, 04:42 PM
Well yeah, its RFID technology. Loop around the ignition barrel acts like an antenna which sends the code to the ignition antenna inside the barrel. those kind of modules require a spare key.
Personally i wouldnt buy one from mazda, i can imagine it costs way more than what i payed. And does the same thing. Im just happy i managed to hook everything up and its running just fine.
how is it doing the same thing when it doesn't require ghetto taping some programmed key in the steering column and is many times more secure?
Kappa
01-14-2011, 05:47 PM
sub
dj_adamix
01-14-2011, 10:10 PM
how is it doing the same thing when it doesn't require ghetto taping some programmed key in the steering column and is many times more secure?
There is no need to leave the key in. It learns keys code and only sends it when i press the remote starter.
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