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pietrzj
Monza


Joined: 19 Mar 2014
Posts: 207



PostPosted: Wed May 17, 2017 10:36 pm    Post subject: 1994 MY immobiliser (immobilizer) question Reply with quote

All,

I have had my car for two years and this has always been the situation:

1. The remote icon lamp in the clock has never lit (even on the bulb check)
2. The alarm & central locking apear to work ok (its got the H&P system PA1000 I think).
3. After I disconnect & reconnect the main battery and lock it for the first time I get a high pitched bleep (maybe two I can't remember). The bleep never happens for any subsequent locks/unlocks.
4. The radio alarm contact wire has not been connected to the radio cage at any time (and as I said I never get a bleep when I lock the car)
5. There are no door/glove/boot/bonnet switches open to cause the bleep.
6. I have never had to use the little usb type remote to plug into the dash
7. I always lock and unlock the car with the remote
8. I have checked the bulb in the clock and tested the circuit within the clock
9. The Bentley "haynes" manual suggests this remote/immobaliser/code lock lamp (bulb 4) is not used on this MY but is used on the later ones.

So, how do I know if the immobiliser is working at all AND if I ever had a problem and had to re-enter the code, it would not be possible as the lamp in the clock displays the number of times you click the key, so without it you don't know if you have done the right amount of clicks.

Anyone else out there with a 1994 car that has this same situation or better still, anyone with a 1994 that works like the owners manual suggests (i.e works as expected).

JanP
 
  
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ToreB
Approved Trader


Joined: 13 May 2010
Posts: 531
Location: Oslo, Norway


PostPosted: Thu May 18, 2017 7:45 am    Post subject: Reply with quote

Almost all UK cars had an aftermarket H&P immobilizer system fitted by either the dealers or in the factory. The UK guys would know more about this, but I guess this was done to comply with UK insurance policies.
This is not the Porsche Drive Block immobilizer system, and the dashboard lamp is not used by this system.

The '94 models with original Porsche Drive Block system do not use the dashboard lamp. This was introduced in 1995.

Normally, both aftermarket and original alarm systems will notify the user of any problems with the power supply, either by bleeping athe alarm horn, or by storing a fault code as in the original Porsche system.

Cheers,
Tore
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pietrzj
Monza


Joined: 19 Mar 2014
Posts: 207



PostPosted: Thu May 18, 2017 10:37 pm    Post subject: Reply with quote

At the end of your first paragraph Tore, do you mean the bulb is not used by the H&P or not used by the drive block system for the 1994 model?
 
  
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RobIpswichUK
Kyalami


Joined: 27 Aug 2010
Posts: 1875
Location: Ipswich (at a guess!)

1994 Porsche 993 Carrera 2

PostPosted: Thu May 18, 2017 11:47 pm    Post subject: Reply with quote

pietrzj wrote:
At the end of your first paragraph Tore, do you mean the bulb is not used by the H&P or not used by the drive block system for the 1994 model?


Correct, the H&P system doesn;t use the bulb as far as I am aware.
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ToreB
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Joined: 13 May 2010
Posts: 531
Location: Oslo, Norway


PostPosted: Fri May 19, 2017 6:26 am    Post subject: Reply with quote

The immobilizer lamp is not in use in the '94 993, either by the Porsche Drive Block or any other systems.
Cheers,
Tore
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3247
Location: Sussex


PostPosted: Fri May 19, 2017 7:56 pm    Post subject: Reply with quote

As previously mentioned im no expert here but with no 6 if you can start the car without that then the immobiliser isnt working as i have to do that all the time at work to start these cars ..

You have a remote so try sitting in the car and locking it .. then try and start the car .. that will soon tell you what happens .

I thought the pa1000 was the " USB" (the card you insert into the slot ) immobiliser side of it and the remote was a seperate system Dont know

Maybe the pa 2000 which has its own immobiliser system.
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Jack Frost
Montreal


Joined: 28 Jul 2009
Posts: 622
Location: Hampshire


PostPosted: Fri May 19, 2017 8:47 pm    Post subject: Reply with quote

http://www.964uk.com/Documents/H&P%20PA2000.pdf
 
  
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Zingari
Donnington
Donnington


Joined: 25 Oct 2009
Posts: 11575
Location: Cheshire

1993 Porsche 964 Anniversary

PostPosted: Fri May 19, 2017 10:43 pm    Post subject: Reply with quote

Correct 'immobiliser' light in the clock is not used in UK. Your H&P should have an after market LED fitted somewhere. Usually in the centre console.

In some cases the ignition is used to 'set' the codes by moving the key from pos 0 to ll in a sequence.

With H&P I though the immobiliser aspect was separate with the USB type plug but working in conjunction with the H&P alarm Dont know

My advice would be to rip it all out and put in a modern system if you doubt it's reliability. Illuminati will want to keep it but alarm technology has moved on somewhat in 25yrs Rolling Eyes
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wozy
Imola


Joined: 06 Feb 2013
Posts: 775
Location: Worcestershire


PostPosted: Fri May 19, 2017 10:59 pm    Post subject: Reply with quote

I have a 94 model year, and I'm pretty sure that all the early cars didn't have a remote alarm system. Basically it's a arm and disarm via the key in the central locking and extra horns rather than a siren that alerts you to a possible breakin. Even though the earlier cars did not have an alarm as such, you still needed to use the slot next to ignition before starting which is obviously the immobiliser.
The earth to the stereo chassis does in need to be connected, if not the alarm (horns) at some point (might be an hour or a week later) will set off.

It sounds like the original OE has been disabled to me.
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pietrzj
Monza


Joined: 19 Mar 2014
Posts: 207



PostPosted: Sat May 20, 2017 11:27 pm    Post subject: Reply with quote

thanks all.

I have a PA2000 there is a remote and thats what I always use to enter the car - never the ky.

I do have an LED in the centre console so that ties up with H&P.

The little USB thingy will need some investigating at some point.
 
  
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3247
Location: Sussex


PostPosted: Sun May 21, 2017 4:41 pm    Post subject: Reply with quote

The PA 2000 has x2 immobiliser cuts from memory so i expect the pa1000 was disconnected as not needed .
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wozy
Imola


Joined: 06 Feb 2013
Posts: 775
Location: Worcestershire


PostPosted: Sun May 21, 2017 4:50 pm    Post subject: Reply with quote

Demort wrote:
The PA 2000 has x2 immobiliser cuts from memory so i expect the pa1000 was disconnected as not needed .


The very early cars didn't have even the pa1000. 'POPE' on PH is THE man on early systems on the 993.
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Porsche Cars of Great Britain launched the 993 in the UK in early December 1993 registering 12 x UK cars on the 6th & 7th of that month; mine is one of them.

993 C2. MBM. C4 mounts, RSRs, RS Short shifter. RS steering wheel. FSDs & M033s
Previous 2.7S, 3.2, 964 and 968CS
 
  
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pietrzj
Monza


Joined: 19 Mar 2014
Posts: 207



PostPosted: Sun May 21, 2017 9:08 pm    Post subject: Reply with quote

From 3. In my list its definately 2 bleps/blips. I just checked. I will short the green wire to the brown in the loop and see what effect that has on the bleeps on locking.
 
  
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3247
Location: Sussex


PostPosted: Sun May 21, 2017 9:10 pm    Post subject: Reply with quote

I have the PA 2000 install instructions at work .. if they have the fault list then i can post tomorrow night.
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3247
Location: Sussex


PostPosted: Mon May 22, 2017 8:00 pm    Post subject: Reply with quote

Jack Frost's post here gives a download of the system including fault codes , 6th post down ..

http://www.911uk.com/viewtopic.php?t=62479&postdays=0&postorder=asc&start=10&sid=72883ab7c1cc9c9a5bf29267fdf2ce0f
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tim993
Shanghai


Joined: 22 Aug 2006
Posts: 4953
Location: Hampshire


PostPosted: Tue May 23, 2017 9:41 pm    Post subject: Reply with quote

Hi - does your car have the single button remote?
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pietrzj
Monza


Joined: 19 Mar 2014
Posts: 207



PostPosted: Sun May 28, 2017 10:19 pm    Post subject: Reply with quote

the remote has two buttons, one dipped one raised.
 
  
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