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COM2000 variants
#21
The 2.0 M59 has a throttle cable, but there's a TPS converter / potentiometer next to the HP injector pump. I think it's a throwback to the old injector pump days.
You can probably get a good idea if CC is possible by connecting up to Lexia and seeing if the options exist, then seeing if you can set them.
As noted in another thread and here, don't buy a Chinese CC stalk, there are plenty of used ones on eBay. The last 2 I bought, I got as part of the Com2000 unit & sold the other bits separately.
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#22
Thanks for the advice. Just been reading up on drive by wire - I doubt a car as humble as mine would have it but I now know what to look for and will. One thing picked up in two Youtube vids:

  1. the cabin pedal end of the DBW system is difficult to set up with a response which feels natural to cable throttle users;
  2. some cars (Honda Accord c.2005) had a cable pedal leading to an adapter box under the bonnet which then controlled a DBW throttle. See here, about 3:15 in:https://www.youtube.com/watch?v=RRueKJ25tng
The vlogger didn't know why, but I wonder whether it was to give the driver the natural feel of a cable throttle.

DBW conversion kits are many hundreds of £££ so it would be defeating the object of just using an aftermarket CC kit at a similar or lower cost.

I will have to set up Lexia. Bought it last year and then had no time available for it, and danged if I know where it is now!

Back after a peek under the hood...
Current: 2003 1.4i MS MPV - Lucifer Red
Prev: 2003 1.6 MS Desire - Bile Blue
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#23
I'd check the throttle pedal, if it has only wires coming from it, then it's FBW but if there is a Belden cable like a pushbike brake cable, it's the wrong kind buddy.

Edit - just saw the other post from Cancunia once I'd replied....it could have a TPS but would also have to have a motorized throttle to allow for CC to work. The Honda Legend I had, had a cable throttle linked to a TPS but then it didn't control the throttle directly, but indirectly via a motorized throttle and the ECU. Mind you, the CC was very smooth compared to a Subaru Legacy I later owned using a similar system.

My first experience with CC was on a Toyota Supra Turbo Auto....I set it at 70 and was amazed at it cruising so smoothly by itself (having moved from a MK2 escort) it was like magic.

I then dropped out of cruise when reaching a village.

All good, until on exiting the village I pressed 'resume'....the 3.0 Turbo didn't wait to see if I meant it....and pinned the throttle by itself, at moon launch velocity until it got back to 70 (which seemed like micro seconds).....brown trousers all round for me and my passengers!!! Never touched the CC again for a LONG time.
My Van: 2012 B9 1.6 HDi Enterprise
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#24
A bit off topic & it's a while now since I sold my 2.0 HDi so I could well be wrong, but IIRC, there's no butterfly valve on the air intake, the engine power is adjusted by the fuel going in, just like old school mechanical injectors. Turbo boost on the 2.0 is controlled by engine speed & a wastegate. The 1.6 HDi engine is another matter altogether.
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#25
Okay, interim reply concerning all this CC discussion, but first I suggest this thread has gone as far as it can regarding comm 2000 variants, until/unless I or some other eventually makes up a table of them.

Been poking my car in places it didn't like. One of my neighbours enjoyed watching me - he told me the whole car would be in bits by the time I'd finished and I wouldn't be able to get to work! If only...

I took some photos and need to get them out of my phone to upload (I'm soo old scule - or rather the phone's USB port refuses to transfer data and I will have to take out the SD card and use a reader), but...

It seems my car has a hybrid throttle linkage - the pedal has a cable which goes to the typical sprung plastic wheel in the engine bay, but this is on its own little bracket mounted to the body in front of the offside shock absorber mounting, and is itself connected directly to nothing else but what must be a TPS (square black plastic box with rounded corners, maybe 5 x 5 x 2cm or so), also on the same bracket; and from that leads nothing but a wiring loom, which routes round the back of the engine along the firewall to t'other side and disappears under the battery tray, which is above the gearbox.

Please forgive an absolute non-mechanic's descriptions.

I also poked about inside the steering column shroud, which does not have an aperture for a fourth stalk and so will have to be surgically 'improved', but low and behold there IS a blanking plate at 8 o'clock in the comm unit itself, which covers what looks very much like a socket for a fourth control stalk. What joy!

As I said, photos and details to follow, but I suggest it makes more sense to start a new properly dedicated thread. I'll be back in a meal or two...
Current: 2003 1.4i MS MPV - Lucifer Red
Prev: 2003 1.6 MS Desire - Bile Blue
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#26
(22-10-2020, 11:51 AM)cancunia Wrote:  A bit off topic & it's a while now since I sold my 2.0 HDi so I could well be wrong, but IIRC, there's no butterfly valve on the air intake, the engine power is adjusted by the fuel going in, just like old school mechanical injectors. Turbo boost on the 2.0 is controlled by engine speed & a wastegate. The 1.6 HDi engine is another matter altogether.

Totally agree mate, but the car in question is a 1.4 petrol so it has to have a butterfly somewhere on the intake to admit controlled air, which the ECU then matches with injected fuel, unlike the diesel of course as you say, which increases fuel pressure and injection rate to accelerate and has no butterfly.
My Van: 2012 B9 1.6 HDi Enterprise
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#27
(22-10-2020, 01:01 PM)Rasputin Wrote:  Okay, interim reply concerning all this CC discussion, but first I suggest this thread has gone as far as it can regarding comm 2000 variants, until/unless I or some other eventually makes up a table of them.

Been poking my car in places it didn't like. One of my neighbours enjoyed watching me - he told me the whole car would be in bits by the time I'd finished and I wouldn't be able to get to work! If only...

I took some photos and need to get them out of my phone to upload (I'm soo old scule - or rather the phone's USB port refuses to transfer data and I will have to take out the SD card and use a reader), but...

It seems my car has a hybrid throttle linkage - the pedal has a cable which goes to the typical sprung plastic wheel in the engine bay, but this is on its own little bracket mounted to the body in front of the offside shock absorber mounting, and is itself connected directly to nothing else but what must be a TPS (square black plastic box with rounded corners, maybe 5 x 5 x 2cm or so), also on the same bracket; and from that leads nothing but a wiring loom, which routes round the back of the engine along the firewall to t'other side and disappears under the battery tray, which is above the gearbox.

Please forgive an absolute non-mechanic's descriptions.

I also poked about inside the steering column shroud, which does not have an aperture for a fourth stalk and so will have to be surgically 'improved', but low and behold there IS a blanking plate at 8 o'clock in the comm unit itself, which covers what looks very much like a socket for a fourth control stalk. What joy!

As I said, photos and details to follow, but I suggest it makes more sense to start a new properly dedicated thread. I'll be back in a meal or two...

Sounds promising then - if you have TPS and a motorised throttle body / butterfly then you may be able to put a CC stalk on and program it.
My Van: 2012 B9 1.6 HDi Enterprise
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#28
What you describe on your COM2000 is the normal arrangement. You need to cut the plastic outer cover to allow the stalk, it's probably even marked on the inside to show where to cut. The blanking plate is also normal. Your throttle linkage sounds just like how I remember the 2.0Hdi.

No no more from me until your new 1.4 CC thread!
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