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15-08-2013, 10:43 PM
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#1 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2010
Location: South Bowenfels NSW
Posts: 687
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Hi everyone i've gone to fire up the v8 in my au for the first time today and it would crank but not start. I've checked the following
Leads have spark I have power at injectors when ignition is on Fuel rail has pressure Motor kicks over and will run when i spray fuel into intake My tests tell me that for some reason the ecu is not switching the grounds to the injectors. Since i have sprak that would rule out faulty CKP (Crank) and CMP (Cam) sensors correct ?? I'm thinking the ecu i have maybe a dud thought i'd get your thoughts Cheers |
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15-08-2013, 10:57 PM
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#2 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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I Assume you have just converted you car over?
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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15-08-2013, 11:03 PM
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FF.Com.Au Hardcore
Join Date: Jan 2010
Location: South Bowenfels NSW
Posts: 687
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Yeah it has just been done
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15-08-2013, 11:04 PM
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#4 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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Did you have the ECU Recoded or have Smartshield / Smartlock disabled?
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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15-08-2013, 11:08 PM
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#5 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2010
Location: South Bowenfels NSW
Posts: 687
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Smartshield has been disabled with QH. If it was immobilised i didn't think i'd have spark or cranking
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15-08-2013, 11:09 PM
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#6 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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have you made sure that all the pins have been cleaned properly on the ECU? Also did you check to see that it has the two small links / resistors on the PCB?
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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15-08-2013, 11:15 PM
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#7 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2010
Location: South Bowenfels NSW
Posts: 687
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I checked the pins on the ECU before i installed it they all seemed pretty clean. When i opened up the ECU to install the QH chip it was quite dusty inside... I'm not sure about the two links/resistors that your talking about whats the PCB ??
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15-08-2013, 11:25 PM
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#8 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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15-08-2013, 11:29 PM
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#9 | ||
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Sick Puppy
Join Date: Jul 2006
Posts: 1,963
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Sounds like an immobiliser issue
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15-08-2013, 11:30 PM
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#10 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2010
Location: South Bowenfels NSW
Posts: 687
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Thanks for the help FAT245 i'll check that in the morning. Although i think my ECU will have them cause it out of an Au 2.
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15-08-2013, 11:31 PM
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#11 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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PM me if you need help.
I can connect into your PC if you like.
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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16-08-2013, 10:10 AM
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#12 | ||
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5.6L x 2 pilot
  
Join Date: Dec 2009
Location: Canbra
Posts: 15,065
 
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Those links on the PCB enable the edge connector to accept the QH electrically.
Stu   Sorry about the pic quality
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024  2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
Last edited by auIILTD; 16-08-2013 at 10:11 AM. Reason: Photos added |
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16-08-2013, 10:20 AM
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#13 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2010
Location: South Bowenfels NSW
Posts: 687
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Thanks Stu i looked at mine this morning and can confirm that my ECU has the 2 resistors shown in the link above. This morning i also checked and recleaned the contacts on the J3 port also checked the earth wire the bolts on the ecu it was a little loose so i tightend it. But still no injector pulse...
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16-08-2013, 10:25 AM
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#14 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2010
Location: South Bowenfels NSW
Posts: 687
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Also I was talking to a few of the guys from work they think i could be a CKP or CMP problem but to me this doesn't seem possiable cause i have spark. Does the ECU only determine the coil firing from the CMP or does it also use the CKP ??
Also Big Thanks for all the tips/help so far |
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16-08-2013, 10:31 AM
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#15 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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Yep, As Stu Says,
Those Links enable the J3 Port to talk to the onboard databus, but as you said the Series 2 ECUs should already have them connected.
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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16-08-2013, 10:37 AM
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#16 | ||
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5.6L x 2 pilot
Join Date: Dec 2009
Location: Canbra
Posts: 15,065
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Lorenz, what ECU are you running. I am sure that you have transplanted a V8 one in. What happens if you take the QH off? The stock ECU should fire the injectors (even if poorly). Probably will not prove much, but at least it will isolate the QH as being the source of the problem.
Next step, would be to see if you the ECU is generating the earth pulse at the pins. If you can in fact measure, as the pulse will be pretty damn quick (milli seconds). Here is the injector ECU pin numbers.  Hope that helps - good luck. Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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16-08-2013, 10:40 AM
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#17 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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I would also check that you have 12V at the injectors, the ECU might actually be triggering the injectors but there might not be a B+ Signal to energise the injectors.
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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16-08-2013, 10:42 AM
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#18 | ||||
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5.6L x 2 pilot
Join Date: Dec 2009
Location: Canbra
Posts: 15,065
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Quote:
Quote:
Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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16-08-2013, 11:04 AM
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#19 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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ah yep, cheers stu.
i am connected to his PC, loaded a different stock calibration and the immobiliser light is staying lit on his dash. There might be an issue with his BEM, possible blown fuse as it doesn't seem to be responding to the enable signal.
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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16-08-2013, 11:08 AM
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#20 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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We are now going to try your suggestion with no QH on the ECU to see what happens.
Will keep you updated.
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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16-08-2013, 11:32 AM
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#21 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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Okay,
Disconnected the ECU, Removed QH Reconnected ECU Hand Stays on the dash. Reconnected Original ECU and the car hand goes away. OP is going to come over to my house tomorrow so i can inspect and test his ECU in BITSY, otherwise I have a S1 ECU i can whip up for him to get his car running.
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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16-08-2013, 12:02 PM
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#22 | ||
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5.6L x 2 pilot
Join Date: Dec 2009
Location: Canbra
Posts: 15,065
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Nath, what happens to the hand on the dash when you re-connect the QH and disable smartshield (or smartlock whichever it has)? Does the hand go away?
Of course the hand is going to be there with the new ECU and old BEM without the QH. I did not think of that with my last advice. Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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16-08-2013, 12:06 PM
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#23 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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Hand Doesn't change.
The hand will flash flash when the key cannot be determined and there is a smart-shield issue. Just tried this on my car, by turning QH to the Factory Tune. Lorenz is going to bring his ECU tomorrow and ill test it in my car as well to confirm my suspicions.
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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17-08-2013, 03:19 PM
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#24 | ||
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Lacking Imagination
Join Date: Jul 2006
Location: In The Global Collective
Posts: 3,909
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Well, Lorenz came over this morning.
I Setup one of my spare ECUs for him, popped in his QH and loaded a base map just to see if the car will start. Tested it in Bitsy and she fired to life. Lorenz now has a car that starts and but it won't idle. So i have put him onto Matt 5.0 ED to get it all correct for him. 
__________________
My 11 Second AU Fairlane 364w | 225cc CNC | ---/---@0.050 | Morrison Motorsport ITB Manifold | MoTeC M150 (Engine Control) | PCS TCM-2800 (Trans Control) | 6800rpm Stall | 4R75W |
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No injector pulse Help
Linear Mode
