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Immobiliser adventure

C

Chris Preston

Ex Club Member
Got into car tonight to drive home from sports centre (in pouring rain, inevitably), stuck the little key in the immobiliser slot,waited for the 3 beeps.....nothing. Red light on tunnel blinking away. Tried goodness how many times.... nothing. Said lots of rude words, pleaded, then gave up and called AA.
I was expecting The AA man to fail to start the car I must admit, however when he turned up he checked the battery..all ok.
Then, and this is the clever bit, he disconnected it to see if the immobiliser would reset, and waited a couple of minutes before reconnecting the battery.
Sure enough when the battery was reconnected, all was as it should be.Drove home parked on drive and switched off. Tried the little key again and all seems ok.

This may be a useful tip if anyone else has similar problem, alternatively it may be common knowledge, still it impressed me, as I had visions of getting home on a low loader.
I hope there is nothing permanently wrong as I really don't want to repeat this ordeal, but the car is due a service in s week or two so I will ask the nice man then.

AA man also said 'this is the 2nd 944 I've been to this week'
it seems the other 944 turbo overheated and the owner poured water into a large pipe leading from the turbo to the engine...surely not anyone on here I would guess

Regards to all!
 

ORIGINAL: Chris Preston

it seems the other 944 turbo overheated and the owner poured water into a large pipe leading from the turbo to the engine...
Click to expand...

PMSL
[:D]

reminds me of a mate who was clueless but enthusiastic. He was asked by his dad to check the oil in the car ~ opened the filler and couldn't see any so he filled it up. Literally. When next run the car made a bit of smoke [;)] but remarkably survived.

same mate changed the oil on his Mini. I arrived as he started it up and I shouted for him to turn it off as oil spewed everywhere. He'd fitted the filter without a seal as he hadn't spotted one on the filter he removed and assumed it was optional. [8D]
 
Check the imoboliser slot for missing or squashed flat connectors. They wear but are still available for around £20.
I beleive that if it happens again if you turn the ignition on and then off again it has the same reset effect (thanks Jim) but replacing the socket is relatively painless.
Tony
 
slightly worryingly my slot goes round if you twist the key slightly so I think something may be loose. I think the forthcoming service may be more expensive than planned.......I am afraid I treat vehicle electrics in much the same way as witchcraft....magic if it works but not something I want to dabble in.
On the subject of pouring water where you shouldn't .....
a colleague [female} had to take a brand new car on a long journey, so the boss said 'make sure there's plenty of water in it.'
we were a bit concerned when we saw her advancing towards the car with a watering can.....
She said 'I've put at least a gallon in but I still can't see the water', sure enough she had poured the water via the oil filler into the rocker cover.
Twas a shame really the car only had about 100 miles on the clock.[:D][:D]
 
ORIGINAL: Chris Preston

slightly worryingly my slot goes round if you twist the key slightly so I think something may be loose.
Click to expand...

Don't worry Chris, mine spins almost right round. As long as the wires are attached firmly at the back you'll be okay. I think you've either a worn slot or a worn key (as per Tony above)
 
Knew a woman once who used her dad's car to get him home from the pub. While finishing his pint she decided to check the oil level. Came into the bar holding dipstick saying "how the hell am I supposed to get oil in a hole that small?"

Not as bad a the village idiot who used his fag lighter lo look inside petrol tank to see if any petrol in moped as would'nt start.
 
I've got a spare key, so I might start using that one or at least carry both with me. Presumably the keys are unique to each car so one couldn't simply buy a new key??
Any way its slightly reassuring to hear that some else has a rotating slot, Thanks.
 
Thanks for the tip about the battery.

I'm a bit worried about my immobiliser. Last week the high peep peep tone came on at some point (I think it was while driving) and then sounded continuously (an unbroken high pitched tone) for several hours (I could hear it from outside the car and it was still going when I returned to the car after watching a film). The problem repeated the next day, and I went to bed with the tone still sounding, but fortunately it was gone in the morning, nothing strange since. Strangely, the immobiliser still worked all this time, though obviously there was no peep peep sound when I disabled it. Disabling the immobiliser did sometimes cause the tone to slightly change pitch. I've put it down to humidity (at the time it was both hot and there had been a lot of rain). Any idea of where the connections that need to be replaced live? The wiring diagrams I can find don't seem to mention the UK CAT 2 immobiliser.

I'm a bit concerned since I'm taking the car to France for 2 weeks from tomorrow - time to sign up for RAC european cover I think!

Tom
 
Independant specialist Jon Mitchell reports more and more cars from the 80's with failing standard immobiliser systems. Basically they are getting old, the circuits old, the wirings old.

New Cat 1 alarm and immobilisers are far superior with less current draw and with more spangly security features. Jon advises that the old immobiliser is removed professionally by someone who knows 944s (ie him [;)] ) to avoid problems in the future

Its on my list for the S2
 
I have a brand new Porsche immobiliser waiting to go on my car - not very track slag but it needs to be insured... - so they are still available.
 
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