Quick tip,
You can NOT feed this ecu an analog wideband signal, the documentation is incorrect, it claims that you can but you cannot, it is a documentation error.
The 0-5V pins inside the ecu are used for monitoring the alternator circuit to solve the notorious SE ecu voltage issues, and cannot be used for any other purpose.
You MUST use a serial input. The serial is the best way to do it anyways, and if you even attempt to use an analog signal the ecu will go crazy.
Dann
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