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Author Topic: ecu problem [i think]  (Read 15703 times)

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TheBoy

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Re: ecu problem [i think]
« Reply #135 on: 26 August 2008, 22:15:11 »

Quote
Quote
when vx checked it they had the ignition on as well as having the engine running, they didnt give me the codes for the box but did write down the fault that was showing [17 present, solenoid 1-2/3-4 voltage low/zero], any other codes showing were in the memory but not active, he also tried a tech1 for some unknown reason but if it made him happy so be it, as for the range switch, is this what i know as the inhibitor switch? also what is sensors 1*1?, im getting more confused than when i started!, so if ive changed the inhibitor switch,g/box & had it tech2 tested & this is telling me fault code 17, what is causing it ?, if a sensor where do i find it/them, ,,,,,cheers,,,,,,,


No No not confusion just one of those twins again Miss direction.

Your ecu cannot be read by tec2 it is tec1. Tec 2 is facelift approx 2000
code 17 you need to find the interpretation. VX says it is the solonoids with either a low or high voltage.
It would have been handy to know the stored codes.

Your AT switch is fed from pins  33. 8. 26. 23. on ecu
Auto trans 54. 38. 41. 40.
Solenoids 2/3 shift up 16. 32.
               1/2 & 3/4   43. 48    Which is the one in question ?
Oil Temp Sensor 22. 16.
AT output speed sensor 3. 5. 18
LCD instruments 5.
Winter Mode Switch 12. 13.
Ground 19. 35
Kick down switch 15.
There are more which I have not had time to check as yet.
All these connections feed/ or are fed by other components again I have not had the time.

One way may be you now have a spare switch, remove the connection from the box and connect to your spare. Now with the engine running selecting gear (Moving the switch) not selector check the voltages on the pins given. make sure you have a ground connection to the switch.
What the voltages should be I do not know, but compare to pins 16. 32. the 2/3 solonoid should be approx the same. Bear in mind the output speed switch with no output. May have to give it a feed epecially on 2/3 although pressing the winter mode switch would lock into 3rd gear.

That's enough for you to contend with.
Tech2 from 97 on.

BUT if the same ecu from an earlier car exists on a 97 car, tech2 can deal with it most of the time.

2 things on Omega Tech2 can't do are early 2.0l engine ecus and infrared locking/immobiliser
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unlucky alf

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Re: ecu problem [i think]
« Reply #136 on: 26 August 2008, 22:23:00 »

heres the report i got,,,,
17,present,,,,solenoid 1-2/3-4 volts low [he said none]
48,n/present, battery volts low
15,n/present, solenoid 1-2/3-4 open circuit
16,n/present, solenoid 2-3 open circuit
56,n/present, selector switch undifined state [i think,bad writing]
39,n/present, no transmission output, rpm signal
92,present, crc control device open or volts high,

so there you have it, just one thing though, if if the car is effectively going into limp mode am i going to get a reading from the switch or only part of it?, im sure this is going to end up being something totally stupid but im too intelligent to find it ;) ;D
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Omegatoy

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Re: ecu problem [i think]
« Reply #137 on: 26 August 2008, 22:26:27 »

Quote
heres the report i got,,,,
17,present,,,,solenoid 1-2/3-4 volts low [he said none]
48,n/present, battery volts low
15,n/present, solenoid 1-2/3-4 open circuit
16,n/present, solenoid 2-3 open circuit
56,n/present, selector switch undifined state [i think,bad writing]
39,n/present, no transmission output, rpm signal
92,present, crc control device open or volts high,

so there you have it, just one thing though, if if the car is effectively going into limp mode am i going to get a reading from the switch or only part of it?, im sure this is going to end up being something totally stupid but im too intelligent to find it ;) ;D
;D ;D ;D ::) :y

unlucky alf

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Re: ecu problem [i think]
« Reply #138 on: 26 August 2008, 22:26:29 »

the strange thing TB is that he got my readings from tech2
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TheBoy

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Re: ecu problem [i think]
« Reply #139 on: 26 August 2008, 22:32:49 »

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the strange thing TB is that he got my readings from tech2
Yeah, expect he would. Much easier to use/read, Tech1 is not so easy to get info out.
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TheBoy

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Re: ecu problem [i think]
« Reply #140 on: 26 August 2008, 22:33:56 »

Also, if he didn't have the multiplexor on the top of the Tech1, it wouldn't read the gearbox anyway.
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unlucky alf

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Re: ecu problem [i think]
« Reply #141 on: 26 August 2008, 22:37:45 »

havent i seen a multiplexor in the ann summers catalogue! ;D
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unlucky alf

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Re: ecu problem [i think]
« Reply #142 on: 29 August 2008, 09:45:48 »

YEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE-HAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA!, it is now sorted, working, mobile & automatic :y, right then, what i propose is a little sweepstake on this between yourselves, i hold the correct answer to this ongoing saga, once you have placed your wagers between each other & there are no more takers i will reveal the offending fault [or faults], cmon lads & lasses here is your chance to make some money off your pals :D, the answer will be revealed tonight, but remember its not always the obvious ;), so thinking caps on & get gambling, good luck to you all :y & perhaps the losers could donate something in the spares dept to get my abused car looking pretty again. :-*
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TheBoy

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Re: ecu problem [i think]
« Reply #143 on: 29 August 2008, 10:10:18 »

engine fault.
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feeutfo

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Re: ecu problem [i think]
« Reply #144 on: 29 August 2008, 11:30:13 »

Thank F for that.i bet... Ecu.
 Only a pound mind!
Glad you got it sorted Tim. Well done.
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TheBoy

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Re: ecu problem [i think]
« Reply #145 on: 29 August 2008, 11:30:44 »

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Thank F for that.i bet... Ecu.
 Only a pound mind!
Glad you got it sorted Tim. Well done.
I still don't think ECU...
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sophos9

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Re: ecu problem [i think]
« Reply #146 on: 29 August 2008, 11:58:20 »

Dead mouse?
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feeutfo

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Re: ecu problem [i think]
« Reply #147 on: 29 August 2008, 12:03:33 »

Quote
Quote
Thank F for that.i bet... Ecu.
 Only a pound mind!
Glad you got it sorted Tim. Well done.
I still don't think ECU...
Yeah, guessed not.
Birds nest then? Squirell eaten the cables?
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Marks DTM Calib

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Re: ecu problem [i think]
« Reply #148 on: 29 August 2008, 13:51:28 »

Either

1) Bad earth
2) Bad connection at the gearbox multi plug
3) Poorly connected multiplug by the battery
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unlucky alf

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Re: ecu problem [i think]
« Reply #149 on: 29 August 2008, 20:39:16 »

LADIES & GENTLEMEN,,,,,,,the moment youve all been waiting for,,,,,,,,,,the winner of the omega fault 2008, "bridgeet the envelope please"! [as i open the golden envelope] brrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr [role on drums!] the winner is,,,,,,,,,,,THE GEARBOX ECU!, :o :o yes folks the unlikely rank outsider came through at the last to receive the coverted trophy of S,O,T,Y [sh*tbag of the year], my many thanks to all the other likely part candidates to which without them none of this would have been possible, :'( my utmost thanks to my friend in hemel for locating & posting the elusive ECU & brown brothers [cupid green]the hatchet scrappy`s for supplying the said item complete with hacked off plug! & of course my postman, who without his dedication,rusty bike & speedy delivery none of this would have been possible :'(,,,,[at this point a round of applause followed by a standing ovation] :y,i can hear the champagne corks popping as i type!!!!!right! now i can start tidying up this old bus, oh & does anybody want an old ECU!!!!
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