Hellen 154 Hyundai

Hardware inside and outside of the ECU
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AndreyB
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Hellen 154 Hyundai

Post by AndreyB »

We are starting a 154 Hellen!

Primary target platform 2010-2014 Genesis Coupe 2.0T

https://github.com/rusefi/rusefi/wiki/Hellen-154-Hyundai
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AndreyB
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Re: Hellen 154 Hyundai

Post by AndreyB »

Norman chose to make this board open so https://github.com/rusefi/hellen154hyundai

This board is pretty ready for review.

And https://github.com/rusefi/hellen154hyundai/issues/16 :)
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Re: Hellen 154 Hyundai

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Re: Hellen 154 Hyundai

Post by AndreyB »

They say testing might happen next week!
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Re: Hellen 154 Hyundai

Post by NormanAlphaspeed »

Hey guys

I've been doing testing on this and I have to say, I am impressed by how well it works! We're doing more dev testing, and here are a few videos!





I'll keep posting on here when new progress is made!
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Re: Hellen 154 Hyundai

Post by AndreyB »

Next step we need some CAN Lua for A/C logic

just a skeleton for now:

Code: Select all

-- listen to CAN ID 0x500
canRxAdd(0x500)

-- todo: add payload logic
packet546 = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 }

function onCanRx(bus, id, dlc, data)
	id11 = id % 2048
	print('got CAN id=' .. id .. ' dlc='  .. dlc)
	-- todo: add filtering logic if needed

	rpm = getSensor("RPM")
	-- handle nil RPM, todo: change firmware to avoid nil RPM
	rpm = (rpm == nil and 0 or rpm)

	if rpm > 800 then
		-- at the moment we simply
		txCan(1, 0x546, 0, packet546)
	end


end

function onTick()
end
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Re: Hellen 154 Hyundai

Post by nmstec »

Norman, spoke to Andrey. Need to give you heads up.

ECU will need to output AC Pressure, Coolant temp, and current AC status.

I'll attach wiring diagram for you below.


ECU on this car also reads ac pressure sensor.
Voltage = 0.00878835 * Pressure + 0.37081095 [PSIA]
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0x132
Byte 0 = Vents
Byte 1 = Airflow
Byte 2 = Compressor
Attachments
Hyundai AC.pdf
(875.28 KiB) Downloaded 254 times
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Re: Hellen 154 Hyundai

Post by ykill »

I'm looking to produce some boards for my clients.
Does it still support cruise control?
Anything we should know that isn't supported by that?
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Re: Hellen 154 Hyundai

Post by AndreyB »

ykill wrote:
Wed Mar 01, 2023 9:24 pm
I'm looking to produce some boards for my clients.
Be aware of https://github.com/rusefi/hellen154hyundai/issues?q=is%3Aissue+is%3Aopen+label%3Arev-C-hall-drama
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Re: Hellen 154 Hyundai

Post by AndreyB »

Question on grounds magic.

This Hellen 154 Hyundai https://rusefi.com/docs/pinouts/hellen/hellen154hyundai/ https://github.com/rusefi/hellen154hyundai/blob/main/boards/hellen154hyundai-c.fab/board/hellen154hyundai-c-schematic.pdf is your typical design with on-board IGBT and three power GND pins on the header/in the harness.

Would it be better, worse or no difference to have a designated Power GND pin/wire just for the on-board IGBT for the on-board IGBT and on-board everything else grounds to meet on car body, or actually share a huge GND on the PCB?
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Re: Hellen 154 Hyundai

Post by AndreyB »

Actually https://github.com/andreika-git/hellen81 is an example of exactly that - explicit IGN_GND pin.
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Re: Hellen 154 Hyundai

Post by AndreyB »

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Suprazz
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Re: Hellen 154 Hyundai

Post by Suprazz »

I have a customer interested and I'm looking to make a small batch.
I was looking at the revc file and rev d. Revd is autogenerated version. Should I take the time to review and updates the bom or the changes between c and d doesnt worth it?
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Re: Hellen 154 Hyundai

Post by AndreyB »

Suprazz wrote:
Tue Feb 13, 2024 1:15 am
Should I take the time to review and updates the bom or the changes between c and d doesnt worth it?
rev D changes a lot internally and there is no firmware for rev D. As of today rev C is a safer bet.
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Re: Hellen 154 Hyundai

Post by Suprazz »

ok thank you!
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Re: Hellen 154 Hyundai

Post by AndreyB »

2013 and 2014 BK 2.0T models use a wideband sensors but what is it? is it the NTK not LSU 4.9?

BOSCH 18052

https://github.com/rusefi/rusefi_documentation/blob/master/OEM-Docs/Hyundai/2014-coupe-2.0.png

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Re: Hellen 154 Hyundai

Post by AndreyB »

Major rework with mc33810 smart driver
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