Vauxhall Immobiliser
Discussion
I've got a problem!
I have a 1998 Mk3 Astra on which the engine is properly dead. I also had a 1.8 engine out of a cavalier which belonged to a mates dad which he was scrapping. I had the Engine/gearbox, loom and ECU.
The engine swap was easy and the mounts bolted straight in. The exhaust manifold needed a bit of cut and shutting but I couldn't get it to start.
The engine kicks over but won't fire. The ECU light is flashing continuously which suggested an immobiliser problem, the paper clip test confirmed this.
When it comes to the security side of the car the haynes manual is useless for obvious reasons. Also I have been told that I need the transponder out of the key and the receiver from the steering column, which I don't have as the donor car has been weighed in for scrap.
The question is, is there a relay box between the receiver on the steering column and the ECU that cuts certain wires or is the immobiliser function between the ECU and the receiver and is set by hardware. I've spoken to a few "experts" who have feed me pure bullsh*t and vauxhall have been slightly less than helpful.
Does anybody have knowledge of how to help me out? It's been two weeks now and I really need the car, PM me if you have anything that you don't really want the rest of the world to know what you know. Otherwise help!!!!!!!!
I have a 1998 Mk3 Astra on which the engine is properly dead. I also had a 1.8 engine out of a cavalier which belonged to a mates dad which he was scrapping. I had the Engine/gearbox, loom and ECU.
The engine swap was easy and the mounts bolted straight in. The exhaust manifold needed a bit of cut and shutting but I couldn't get it to start.
The engine kicks over but won't fire. The ECU light is flashing continuously which suggested an immobiliser problem, the paper clip test confirmed this.
When it comes to the security side of the car the haynes manual is useless for obvious reasons. Also I have been told that I need the transponder out of the key and the receiver from the steering column, which I don't have as the donor car has been weighed in for scrap.
The question is, is there a relay box between the receiver on the steering column and the ECU that cuts certain wires or is the immobiliser function between the ECU and the receiver and is set by hardware. I've spoken to a few "experts" who have feed me pure bullsh*t and vauxhall have been slightly less than helpful.
Does anybody have knowledge of how to help me out? It's been two weeks now and I really need the car, PM me if you have anything that you don't really want the rest of the world to know what you know. Otherwise help!!!!!!!!
From what I remember and it has been 8 years since I worked for a Vauxhall dealer, without the transponder chip and receiver you are screwed.
Does the previous owner have the Car Pass that came with the Cavalier with the immobiliser number on it. Would be a 4 digit number. From that not sure if you can re-purchase the items coded as you need them though. Worth asking a dealer if they will tell you which is doubtful. I have no contacts left at any of the places I previously worked to ask myself, sorry.
Best of luck.
Does the previous owner have the Car Pass that came with the Cavalier with the immobiliser number on it. Would be a 4 digit number. From that not sure if you can re-purchase the items coded as you need them though. Worth asking a dealer if they will tell you which is doubtful. I have no contacts left at any of the places I previously worked to ask myself, sorry.
Best of luck.
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