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Author Topic: On board computer, false reading  (Read 4030 times)

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Jay

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On board computer, false reading
« on: 27 December 2006, 13:14:00 »
Ive noticed its all working fine, apart from its lying... The Range always hovers around 300-400 miles, now the orange light was on and I put a tenner in it, now am no expert but I dont think a 3.0 V6 will return 400 miles to a tenner! haha any idea whats wrong with it?
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Jimbob

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Re: On board computer, false reading
« Reply #1 on: 27 December 2006, 13:19:48 »
That the only issue?
MID's are a PIA, 2 sets of sensors replaced with paperclips on the wife's!  (coolant and brake pads)

Has it ever been replaced?  Maybe not set up to your car.

What is the car, and press and hold both buttons, you will get 3 sets of numbers, post the results and someone (well TheBoy) will confirm if a reconfig is needed.
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Jay

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Re: On board computer, false reading
« Reply #2 on: 27 December 2006, 13:26:53 »
The average speed is always on 9mph too.

Not long had the car so I dont know to be honest.

Its a pre-facelift Elite and il get those numbers later! Nice one.
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TheBoy

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Re: On board computer, false reading
« Reply #3 on: 27 December 2006, 16:09:29 »
Pound to a pinch of brown stuff, uou have a v6, but MID came off a 2.0l....

Tech2 to reprogram...
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Re: On board computer, false reading
« Reply #4 on: 29 December 2006, 10:18:22 »
Hi Jay

Im getting the same problem with my MID display i recentley changed mine it came from a 2.0 cd model 95 m reg which is the same as mine apart from mines a 94 model. i managed to do that test that jimbob mentioned to do with pressing and holding the two buttons and three sets of numbers came up : 003 09 24846 when you find out what they mean would you let me know

Thanks

lj707
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TheBoy

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Re: On board computer, false reading
« Reply #5 on: 29 December 2006, 11:41:38 »
Quote
Hi Jay

Im getting the same problem with my MID display i recentley changed mine it came from a 2.0 cd model 95 m reg which is the same as mine apart from mines a 94 model. i managed to do that test that jimbob mentioned to do with pressing and holding the two buttons and three sets of numbers came up : 003 09 24846 when you find out what they mean would you let me know

Thanks

lj707
2.0l x20xev engine, manual transmission, 15" wheels.

Sure about the 09 bit, seems high to me...
« Last Edit: 29 December 2006, 11:42:19 by TheBoy »
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TheBoy

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Re: On board computer, false reading
« Reply #6 on: 29 December 2006, 11:45:18 »
Quote
Quote
Hi Jay

Im getting the same problem with my MID display i recentley changed mine it came from a 2.0 cd model 95 m reg which is the same as mine apart from mines a 94 model. i managed to do that test that jimbob mentioned to do with pressing and holding the two buttons and three sets of numbers came up : 003 09 24846 when you find out what they mean would you let me know

Thanks

lj707
2.0l x20xev engine, manual transmission, 15" wheels.

Sure about the 09 bit, seems high to me...
unless it started life in a 1.6 vectra....
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Jimbob

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Re: On board computer, false reading
« Reply #7 on: 29 December 2006, 11:45:57 »
Quote
Quote
Hi Jay

Im getting the same problem with my MID display i recentley changed mine it came from a 2.0 cd model 95 m reg which is the same as mine apart from mines a 94 model. i managed to do that test that jimbob mentioned to do with pressing and holding the two buttons and three sets of numbers came up : 003 09 24846 when you find out what they mean would you let me know

Thanks

lj707
2.0l x20xev engine, manual transmission, 15" wheels.

Sure about the 09 bit, seems high to me...



Is there a formula or lookup chart for these?
May be useful to add one as a sticky to save people having to ask, and can then quickly check the MID matches the car.
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TheBoy

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Re: On board computer, false reading
« Reply #8 on: 29 December 2006, 11:58:23 »
a search will reveal the more common ones.... ;)

I may stick one in faq later....  ...though I need help to generate list.  My last request was not that successful :(
« Last Edit: 29 December 2006, 11:59:31 by TheBoy »
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TheBoy

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Re: On board computer, false reading
« Reply #9 on: 29 December 2006, 12:08:37 »
It is documented (badly) in TIS....

(Badly in that it doesn't say what code versions the indexes apply to)
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OMEGA VXR

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Re: On board computer, false reading
« Reply #10 on: 29 December 2006, 13:57:25 »
Hi TheBoy

How do you work those numbers out then mate?what do you mean about the 09 being high,what you said about the other digits is spot on, my omega is a 20 16v xev manual with 15" wheels it was registered may 1994 (L reg) the MID was from a 1995 omega same engine etc. Will the MID ever work accurately in my car???

Thanks

lj707
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TheBoy

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Re: On board computer, false reading
« Reply #11 on: 29 December 2006, 14:05:47 »
I've put up table for preminifacelifts in FAQ section now.  1998 cars is a little more complex, due to number of variations....
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TheBoy

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Re: On board computer, false reading
« Reply #12 on: 29 December 2006, 14:07:37 »
Quote
Hi TheBoy

How do you work those numbers out then mate?what do you mean about the 09 being high,what you said about the other digits is spot on, my omega is a 20 16v xev manual with 15" wheels it was registered may 1994 (L reg) the MID was from a 1995 omega same engine etc. Will the MID ever work accurately in my car???

Thanks

lj707
The 09 is software version. Last one I did on preminifacelift MID, I'm sure ver 04 was latest.  Maybe its slightly different hardware, and runs different software, hence different software version numbers...
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rpont

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Re: On board computer, false reading
« Reply #13 on: 29 December 2006, 17:35:55 »
You can reset things like mpg and average speed by holding in one of the buttons with the display you want to reset showing, I think it's the top button. I don't think you can reset the range though but if after a reset of the average speed you get something sensible it might help.
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TheBoy

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Re: On board computer, false reading
« Reply #14 on: 29 December 2006, 17:47:32 »
Quote
You can reset things like mpg and average speed by holding in one of the buttons with the display you want to reset showing, I think it's the top button. I don't think you can reset the range though but if after a reset of the average speed you get something sensible it might help.
Press and hold R to reset that function. You can get it to redetect range, but it will still give same reading....
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