Innovate LC2 serial protocol

Hardware inside and outside of the ECU
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kon
Posts: 9
Joined: Fri Apr 10, 2020 8:53 pm
Location: LA

Innovate LC2 serial protocol

Post by kon »

Just a little documentation on how to connect an Innovate LC2 to rusefi via serial protocol.

Since the LC2 talks RS232, a transceiver is needed. I used a MaxLinear SP232EEN-L https://www.mouser.com/ProductDetail/701-SP232EEN-L
rusefilc2.png
rusefilc2.png (17.57 KiB) Viewed 688 times
Use the Innovate serial connector labeled 'OUT'
pinout:
1: TX (white)
2: RX (red)
3: NC (blue)
4: GND (black)

Since we are only reading data from the sensor we only need pin 1 and 4.
Configuration in Tunerstudio:
rusefilc2tssettings.png
rusefilc2tssettings.png (269.36 KiB) Viewed 688 times
These sensors can be daisy-chained for up to 32 sensors in one chain. First sensor's 'IN' connector connects to the second sensor's 'OUT' and so on...
rusefi currently only supports a single O2 sensor, so this feature has not been tested.

texasgdp754
Posts: 17
Joined: Mon Nov 18, 2019 11:48 pm

Re: Innovate LC2

Post by texasgdp754 »

I'm too lazy to look right now. Is serial protocols same for innovate mtxl??. I still have one in my toolbox junk drawer with working lsu4 2

kon
Posts: 9
Joined: Fri Apr 10, 2020 8:53 pm
Location: LA

Re: Innovate LC2

Post by kon »

not 100% sure, but it looks like it should work (using protocol 2)

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