2004 Honda Civic Si K20

From Frankenstein to Proteus and everything in between
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AndreyB
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2004 Honda Civic Si K20

Post by AndreyB »

Details later
2022-09-23_15_41_43_788: EngineState: [vrb] TRG rpm=0 time=940 eventIndex=9 gapIndex=0: n gap=0.237 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_43_788: EngineState: [vrb] TRG rpm=0 time=940 eventIndex=9 gapIndex=1: n gap=0.919 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_43_891: EngineState: [vrb] TRG rpm=0 time=940 eventIndex=11 gapIndex=0: n gap=3.208 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_43_894: EngineState: [vrb] TRG rpm=0 time=940 eventIndex=11 gapIndex=1: n gap=0.237 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_44_110: EngineState: [vrb] TRG rpm=0 time=940 eventIndex=13 gapIndex=0: Y gap=1.345 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_44_110: EngineState: [vrb] TRG rpm=0 time=940 eventIndex=13 gapIndex=1: n gap=3.208 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_44_213: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=15 gapIndex=0: n gap=0.954 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_44_213: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=15 gapIndex=1: n gap=1.345 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_44_429: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=17 gapIndex=0: n gap=0.978 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_44_429: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=17 gapIndex=1: n gap=0.954 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_44_430: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=19 gapIndex=0: n gap=0.236 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_44_431: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=19 gapIndex=1: n gap=0.978 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_44_537: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=21 gapIndex=0: n gap=3.283 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_44_537: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=21 gapIndex=1: n gap=0.236 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_44_754: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=23 gapIndex=0: Y gap=1.358 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_44_755: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=23 gapIndex=1: n gap=3.283 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_44_864: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=25 gapIndex=0: n gap=0.960 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_44_864: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=25 gapIndex=1: n gap=1.358 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_44_975: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=27 gapIndex=0: n gap=0.985 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_44_975: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=27 gapIndex=1: n gap=0.960 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_45_082: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=29 gapIndex=0: n gap=0.236 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_45_083: EngineState: [vrb] TRG rpm=0 time=941 eventIndex=29 gapIndex=1: n gap=0.985 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_45_193: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=31 gapIndex=0: n gap=3.269 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_45_194: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=31 gapIndex=1: n gap=0.236 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_45_299: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=33 gapIndex=0: Y gap=1.354 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_45_300: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=33 gapIndex=1: n gap=3.269 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_45_518: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=35 gapIndex=0: n gap=0.961 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_45_518: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=35 gapIndex=1: n gap=1.354 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_45_625: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=37 gapIndex=0: n gap=0.985 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_45_626: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=37 gapIndex=1: n gap=0.961 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_45_739: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=39 gapIndex=0: n gap=0.234 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_45_740: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=39 gapIndex=1: n gap=0.985 expected from 0.280 to 0.474 error=No
2022-09-23_15_41_45_842: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=41 gapIndex=0: n gap=3.009 expected from 1.110 to 2.380 error=No
2022-09-23_15_41_45_843: EngineState: [vrb] TRG rpm=0 time=942 eventIndex=41 gapIndex=1: n gap=0.234 expected from 0.280 to 0.474 error=No
Attachments
2022-09-23_15_33_19_278rpm_0_maf_0.0.png
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AndreyB
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Re: 2004 Homda Si K20

Post by AndreyB »

https://rusefi.com/online/view.php?msq=1235
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Re: 2004 Honda Si K20

Post by AndreyB »

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Re: 2004 Honda Si K20

Post by AndreyB »

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Re: 2004 Honda Si K20

Post by AndreyB »

Well, https://github.com/rusefi/proteus-Honda-K-125-adapter is a mild disaster: Honda K has two different pinouts, "SUV pinout/late models" pinout
on the current adapter, and the early car adapter which everyone wants :)

For now I've quickly soldered a Proteus adapter using https://www.ebay.com/itm/334141525131 and the car runs! Next step is VVT configuration cleanup, still confused about two cam inputs - which one is VVT, which one is intake, which one is what. But with a recording of all three signals it should not be a big deal.

Note the Nissan Sentra plug wire helping with COP timing light setup :)
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Attachments
WhatsApp Image 2022-09-23 at 7.48.09 PM.jpeg
WhatsApp Image 2022-09-23 at 7.48.09 PM.jpeg (280.74 KiB) Viewed 15039 times
WhatsApp Image 2022-09-23 at 7.48.22 PM.jpeg
WhatsApp Image 2022-09-23 at 7.48.22 PM.jpeg (290.36 KiB) Viewed 15039 times
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mck1117
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Re: 2004 Honda Si K20

Post by mck1117 »

I believe you may need to use the new "cam for sync" option set to NOT zero, since the exhaust cam is the one that has enough information to sync the engine.
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Re: 2004 Honda Si K20

Post by AndreyB »

Haltech says "The Exhaust Cam Sensor is used for the Home input to the ECU." and "Home Tooth Pattern 4+1"
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Re: 2004 Honda Si K20

Post by mck1117 »

in your logic analyzer snip, the three channels are crank/exhaust/intake
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Re: 2004 Honda Si K20

Post by AndreyB »

mck1117 wrote:
Sat Sep 24, 2022 12:13 am
in your logic analyzer snip, the three channels are crank/exhaust/intake
Thank you! Also https://github.com/rusefi/rusefi/issues/4611
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Re: 2004 Honda Civic Si K20

Post by AndreyB »

Honda-K Hellen is hopefully 45 days away from reality.

OEM 125 header has five sections. Manual cars use only three sections, the other two plugs are used for automatic transmission. We have no chance to control that transmission soon so we have a great chance to use plugs C or D for WBO and aux.

What would be the arguments against using the bigger of two plug C for aux? https://github.com/rusefi/hellen125honda-issues/issues/1
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Re: 2004 Honda Civic Si K20

Post by AndreyB »

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Re: 2004 Honda Civic Si K20

Post by AndreyB »

red sibling K swapped civic
https://rusefi.com/online/view.php?msq=1453
https://rusefi.com/online/view.php?log=1221 :( loss of sync 5k
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Re: 2004 Honda Civic Si K20

Post by AndreyB »

Capacitor removal my favorite kind of fix! We have 7k now :)
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Re: 2004 Honda Civic Si K20

Post by AndreyB »

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Re: 2004 Honda Civic Si K20

Post by AndreyB »

On the white car under rusEFI control power steering does not work.

How on earth is power steering related to ECU you would ask? Well all I know there is a EPS Power Steering Module 39980-S5T-A131-M1

https://www.civicforums.com/forums/21-i-c-e-audio-electrical-upgrades/375997-diy-eps-conversion.html mentions VSS and RPM signals. To be continued.
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