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Immobiliser light has come on..

Chi

Car  Z4, VW172, R26
As above... I hooked my jump pack up to the track ph1 but it failed to start. Then I realised why! The guy I bought it off used red cable for the negative and I stupidly hooked it up doh!!
Now the car isn't getting fuel and the immobiliser light has come on !!
Help guys!!!
 
Just turns mate but not getting fuel to the fuel rail. Cant hear fuel pump either!
Will try and do a video tomorrow..
 
Check all the fuse first then the relays in under bonnet fuse box- water ingress or corrosion usually
 
No it started fine last time I just hooked the jump pack the wrong way round!! I've checked fuses.. Will check relays too. Hopefully have a donor to switch parts over from next week!
 
No it started fine last time I just hooked the jump pack the wrong way round!! I've checked fuses.. Will check relays too. Hopefully have a donor to switch parts over from next week!

Sorry didn't read your first post properly :) hope you get it started!
 
Most likely you've blown fuses but worst case you've done the ECU. Hard to say for sure matey without seeing it but check everything!
 
Ph1 will need ECU, Key fob(s) and the BMT (Ph1 equivalent of the UCH).

I have seen these things survive what you did though so check EVERY fuse even if its for the cig lighter
 
Solid light isnt an immobiliser fault, it means one of the main systems wasnt detected. That's why the fuel pump won't prime.
 
The fuel pump and coil pack are on the same 12v circuit, if the fuel pump isn't priming it's a fair assumption the car wont fire. Do you have a multimeter?
I think the Ph1 has an inertia switch, has this been triggered?

Failing that, I could send you my clip for you to run a full netowrk muliplex test and see where it's failing ?
 
All fuses checked yet? The imob led not flashing suggests something has blown
 
I checked it prior to changing battery but not today.. will check and come right back..
Just tried it and still no good :(
 
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I checked it prior to changing battery but not today.. will check and come right back..
Just tried it and still no good :(

Hmm check relays! Have you still got two ph1's?

If so swap all of them from one car to the other. If the problem goes to the other car you know it's one of the relays. Then It's just a job of pinpointing one
 
Like this! Sorry for the crappy circling!
2i0aipz.webp


35c0x7l.webp


End result:


 
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