Tapping into the K-CAN bus

sal_park · 05-07-2014, 06:06 AM

Hi all,

as part of a project I want to connect to the K-can bus at the back of the HVAC unit in the dash. Does anyone have any suggestion on how I can do this neatly ? Ideally I'd not cut the loom, but add in a Y cable. Seems like this should be possible but I'm not sure of what connectors/pins I'll need.

sp

bmw325i · 05-07-2014, 11:23 AM

Quote:

Originally Posted by sal_park

Hi all,

as part of a project I want to connect to the K-can bus at the back of the HVAC unit in the dash. Does anyone have any suggestion on how I can do this neatly ? Ideally I'd not cut the loom, but add in a Y cable. Seems like this should be possible but I'm not sure of what connectors/pins I'll need.

sp

The wires are too thin to tap them. Just cut them, solder and heatshrink back together.

What are you trying to do?

sal_park · 05-08-2014, 04:07 AM

Quote:

Originally Posted by bmw325i

The wires are too thin to tap them. Just cut them, solder and heatshrink back together.

What are you trying to do?

I want to read the button presses from the steering wheel.

mathematics · 05-08-2014, 11:32 AM

How will you be reading them?

sal_park · 05-09-2014, 07:28 AM

Quote:

Originally Posted by mathematics

How will you be reading them?

with this board which connects to a raspberry pi over SPI.

Almost have it working with custom kernel....

mathematics · 05-09-2014, 07:35 AM

Sounds pretty cool. Keep us updated

sal_park · 05-09-2014, 08:26 AM

Quote:

Originally Posted by mathematics

Sounds pretty cool. Keep us updated

will do

05-07-2014, 06:06 AM	#1
sal_park Private First Class 3 Rep 123 Posts Drives: 2008 E91 325i manual Join Date: Feb 2014 Location: Laaaandon iTrader: (0)	Tapping into the K-CAN bus Hi all, as part of a project I want to connect to the K-can bus at the back of the HVAC unit in the dash. Does anyone have any suggestion on how I can do this neatly ? Ideally I'd not cut the loom, but add in a Y cable. Seems like this should be possible but I'm not sure of what connectors/pins I'll need. sp
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05-08-2014, 11:32 AM	#4
mathematics Captain 71 Rep 994 Posts Drives: 08 328i e93 alpine white Join Date: May 2009 Location: Queens, NY iTrader: (0)	How will you be reading them? __________________ iPhone 6 Plus (iTunes library/iTunes radio/Waze, etc) to Airport Express via AirPlay. Toslink out of Airport Express to Helix P-Six DSP. PHD AF 1.C tweeters, PHD FB 4.1 midranges. Jehnert Door Cards and mid-bass'.
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05-09-2014, 07:35 AM	#6
mathematics Captain 71 Rep 994 Posts Drives: 08 328i e93 alpine white Join Date: May 2009 Location: Queens, NY iTrader: (0)	Sounds pretty cool. Keep us updated __________________ iPhone 6 Plus (iTunes library/iTunes radio/Waze, etc) to Airport Express via AirPlay. Toslink out of Airport Express to Helix P-Six DSP. PHD AF 1.C tweeters, PHD FB 4.1 midranges. Jehnert Door Cards and mid-bass'.
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