2003 Honda Element
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2003 Honda Element
I might be able to borrow a starting & driving 2003 Honda Element on it's last breath. It's loud and there is some talk about only running on three cylinders with a stuck exhaust valve, but so far it moves!
https://raw.githubusercontent.com/wiki/rusefi/rusefi/OEM-Docs/Honda/2003-honda-element-ecu.png whos us ECU and TCU integrated into the same unit.
Dave do know trigger pattern? Do we know anything about transmission control? Do we know _anything_ about this maybe https://en.wikipedia.org/wiki/Honda_K_engine#K24A engine?
https://raw.githubusercontent.com/wiki/rusefi/rusefi/OEM-Docs/Honda/2003-honda-element-ecu.png whos us ECU and TCU integrated into the same unit.
Dave do know trigger pattern? Do we know anything about transmission control? Do we know _anything_ about this maybe https://en.wikipedia.org/wiki/Honda_K_engine#K24A engine?
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Re: 2003 Honda Element
ECU is somewhere there
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Re: 2003 Honda Element
https://www.phearable.net/information/tech-area/02-04-prb-rsx-type-s-ecu-pin-out-diagrams.html
Dave says those are smart Denso coilsticks 2 ms dwell will run them pretty hot
Dave says those are smart Denso coilsticks 2 ms dwell will run them pretty hot
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Re: 2003 Honda Element
I forgot that "most of Honda's automatic transmissions are unusual in that they do not use planetary gears like nearly all other makers" - that makes this project way less interesting
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Re: 2003 Honda Element
No tools are needed to remove Honda Element glove compartment - you can pull those retaining clips more or less with your bare hands.
In other news: catalytic converter was stolen at some unknown point in the past.
In other news: catalytic converter was stolen at some unknown point in the past.
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Re: 2003 Honda Element
Well, some progress!
- Attachments
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- engine-sniffer.png (184.64 KiB) Viewed 20131 times
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- image.png (324.97 KiB) Viewed 20131 times
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Re: 2003 Honda Element
Good news I do not have IMRC on this engine
IMRC means Intake Manifold Runner Control
pin B22 IMRC valve position sensor potentiometer wow
https://my.prostreetonline.com/2014/10/21/dtc-p0661-service-imrc/
IMRC means Intake Manifold Runner Control
pin B22 IMRC valve position sensor potentiometer wow
https://my.prostreetonline.com/2014/10/21/dtc-p0661-service-imrc/
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Re: 2003 Honda Element
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- IMG_20211022_205356.jpg (1.2 MiB) Viewed 20105 times
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- IMG_20211026_172442.jpg (1.22 MiB) Viewed 20109 times
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- 2021-10-26_17_21_50_729rpm_0_maf_0.0.png (25.54 KiB) Viewed 20109 times
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Re: 2003 Honda Element
Need help locating TDC on this exhaust cam wheel.
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Re: 2003 Honda Element
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Re: 2003 Honda Element
https://github.com/rusefi/rusefi_documentation/tree/master/OEM-Docs/Honda/2003-element/digital
Sweet data: logic analyzer capture of all three position sensors while cranking with zero spark plugs, with three spark plugs and with four spark plugs.
Sweet data: logic analyzer capture of all three position sensors while cranking with zero spark plugs, with three spark plugs and with four spark plugs.
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Re: 2003 Honda Element
VTC control which I believe is Honda speak for VVT does not work
I have intake cam postion pretty steady at steady RPM and change on accel/decel. I believe that intake position decoding is fine.
I have PID output changing from 10% to 90% on Proteus high side #2 and simply no response. What would be my next step to investigate this assuming electrical problem?
tune https://rusefi.com/online/view.php?msq=697 log https://rusefi.com/online/view.php?log=392
I have intake cam postion pretty steady at steady RPM and change on accel/decel. I believe that intake position decoding is fine.
I have PID output changing from 10% to 90% on Proteus high side #2 and simply no response. What would be my next step to investigate this assuming electrical problem?
tune https://rusefi.com/online/view.php?msq=697 log https://rusefi.com/online/view.php?log=392
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Re: 2003 Honda Element
***VTEC*** / VTS is a high side drive. (variable lift / lock additional cam lobe to change profile / engage all 16 valves depending on implementation)
***VTC*** / VVT is low side drive AFAIK.
***VTC*** / VVT is low side drive AFAIK.
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Re: 2003 Honda Element
looks like those are both _same_. And same _high side_?
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Re: 2003 Honda Element
it works! I originally forgot to set output frequency, also needed more aggressive PID offset and P-factor
tune https://rusefi.com/online/view.php?msq=698
log https://rusefi.com/online/view.php?log=393
tune https://rusefi.com/online/view.php?msq=698
log https://rusefi.com/online/view.php?log=393
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Re: 2003 Honda Element
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Re: 2003 Honda Element
IAC works, VTS seems to work!
tune https://rusefi.com/online/view.php?msq=702
log https://rusefi.com/online/view.php?log=396
new issue https://github.com/rusefi/rusefi/issues/3447
tune https://rusefi.com/online/view.php?msq=702
log https://rusefi.com/online/view.php?log=396
new issue https://github.com/rusefi/rusefi/issues/3447
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