Full Bypass
Full Bypass
Author
Discussion

Topper04

Original Poster:

26 posts

79 months

Friday 11th July
quotequote all
The car is suffering from unpredictable engine cut out. Engine starts and turns over absolutely fine…. Take it for a drive, 100m or sometimes a couple of miles and sudden death. All electrics working, it just cuts out. I think that for some reason the immobiliser is causing the issue….telling the ECU to switch off the fuel pump. Possible? The engine is not even hot when this happens. It will start again, sometimes immediately…but then of course it is straight home and back in the garage. Too dangerous to drive in my opinion, don’t want to be caught on a motorway travelling at speed and the cut out happens. So, complete immobiliser bypass… I have the instructions from Dave Byron (bypass from the starter circuit done a couple of years ago) however, electrics baffle me. I’m not sure that I understand what is described in his text. Does anyone have an idiots guide with photos on how to do the full bypass?
Would be much appreciated. TIA

PabloGee

659 posts

36 months

Friday 11th July
quotequote all
Have you checked the relay for the fuel pump?
The method is to swap the two identical relays that dangle in the footwell wiring nest, those marked 'fuel pump' and 'ECU', though maybe better with a spare, as clearly having a faulty relay on the ECU isn't useful.



The other thing to check is the infamous 100A fuse that sits in a small black plastic box in the cable run from the alternator - mounted on the chassis rail by the starter motor below the engine, it can cause funny behaviour if cracked (pennies to replace, or swap out for a 125A as many have done).

I have the bypass instructions with photos, albeit a little fuzzy.
Are you sure you have the Meta alarm?
I discovered that my 1995 car has the Foxguard alarm, which is actually simpler, and can be refurbished for around £50 - which I did and have been able to unpick the bypass with full reliability.

PM me your email, and I can send on whichever you need.

Topper04

Original Poster:

26 posts

79 months

Friday 11th July
quotequote all
Thanks for the reply. Checked the relays and the 100 amp fuse.. all good. Please send the photos that you have to stopper_haycock@yahoo.com
Cheers

PabloGee

659 posts

36 months

Friday 11th July
quotequote all
Can I just check you meant 'stopper' or 'topper' - seeing your username one here?
You were welcome to have private-messaged me, rather than dropping your email onto this public forum...

Belle427

10,678 posts

249 months

Saturday 12th July
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If its a meta just pay attention to the bypass photos you have near the end of the email, it also gives you colours too.

Gary TVR

1 posts

2 months

Sunday 13th July
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I would love to remove the immobilizer on my 97 Chimaera. If there is system with photos or a good write up for a none electrical guy, I would really appreciate it. I'm in the US and there is no one here on the East Coast that I can take it to.

PabloGee

659 posts

36 months

Sunday 13th July
quotequote all
Trouble is, removing the system creates other problems, because it’s also the alarm and door locking system.

The bypass instructions solve the issues that the immobiliser part can cause, whilst leaving everything working.

If you’re having further issues with the key fobs losing connection and the like, there are people who can guide on that. Dave at HF Solutions has retired now, but may still be willing to converse (he might be reachable on Facebook). Carl Baker is the other known chap (https://www.tvruk.tv/).
Clearly anything beyond a call or email is impossible from the States, but they might be able to guide on all of your questions.

I have never seen a guide on how to remove the system.