Technical immobliser

[lipstickred]

hi all

my so far faultless m plate 900 cinq is showing some wear

its the separate black immobliser key !

its getting a bit temperamental and since its the only one i got,

i was wondering if there was a simple way of bypassing the whole immobliser key business

so that it just starts off the ignition key



charlie

 

[David C]

I'm surprised your "M" reg 899 Cinq has an immobiliser at all, mine doesn't...

Is it an after-market add-on?

 

[fingers99]

Earlier ECU?

It should be possible -- assuming that most of the wear is on the key -- to get a key of that era cloned.

But I'm not at all sure what you have. Pics of the keys? Is there a code box?

 

[David C]

I think it must be an after-market system completely external to the main ECU.
So it will be a case of reversing the installation process.

 

[fingers99]

Yep. Description doesn't match anything I've seen in a "real" FIAT system.

If worn key is the issue, get a key cut and transfer the chip over?

 

[Benjammo]

have you got a pic of the key? I'm going to guess that its a laserline one if it has an over ride key. if it is, you can still get them and pair them into the immobiliser. my works sells them if it is laserline. if its an aftermarket one, ripping it out will take about 1 hour, really easy to do.

 

[lipstickred]

hmmmm

always thought that the immobiliser was factory fitted

its got INS on it

and goes into a black small round fitting, with a flashing red light, low on the dash

 

[Benjammo]

well I was wrong about it being laserline, thats the meta logo that fiat did use so could be factory fit. It should be able to be removed tho if its becoming problematic. I'll have a natter to my boss and see if you can get spares, but it maybe worth a trip to your local fiat dealer too

 

[David C]

...thats the meta logo that fiat did use so could be factory fit.

More likely to be dealer fit than factory fit, but yes Fiat/Alfa did use Meta add-on bits for a while.

 

[lipstickred]

the dealer fit makes most sense to me as i knew the previous old lady owner who had it from new before i brought it

sooooooooooo how easy would it be to disable it

rather than mess around with a new key

and ta for you all help so far



charlie

 

[Benjammo]

it will be pritty easy, i'm an auto electrician and could probably have it out in an hour if your around barnsley. if you don't put the key in, dies it kill the ignition and the starter or just the starter?

 

[lipstickred]

if your around barnsley

im in cardiff mate

if you don't put the key in, dies it kill the ignition and the starter or just the starter?

the dash lights up but the starter doesnt turn !!

had a quick look under the bonnet for the dealer fitted immobiliser box but not quite sure what im looking for

charlie

 

[Benjammo]

It will be under the dash, and it sounds like its only cutting the starter. The mist logical thing to do is follow thw wires from that key bit to the box, it should be near the steering wheel and is likely to be cut into the starter wire from the ignition. All youll have to do is rejoin the wire for the starter.