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ECUType / MegasquirtMS2SerialInterface

Megasquirt MS2 Serial Interface

The Megasquirt MS2 serial interface is designed to work with the Megasquirt MS2 hardware, with the serial port operating at 115.2kbaud.

It has been tested with Megasquirt-2 (MS2/Extra) 3.2.5 and will also work with Megasquirt-2 (MS2/Extra) 3.3.2 and above Megasquirt-3 1.3.1 and above

The following messages are received.


ECU Name Race Technology message Race Technology Default name Race Technology VAR number Resolution
Engine speed Engine RPM RPM VAR_0010 25 RPM
Battery voltage misc 3 Battery voltage VAR_4002 0.1 V
Lambda 1 misc 1 Lambda 1 VAR_4000 0.01 lambda
Lambda 2 misc 2 Lambda 2 VAR_4001 0.01 lambda
Injector time 1 measured time 1 Fuel inj 1 PW on VAR_2500 0.001 µs
Injector time 2 measured time 2 Fuel inj 2 PW on VAR_2501 0.001 µs
Coolant temp temperature 8 Water temp VAR_1007 0.1 oC
Air temp temperature 1 temperature 1 VAR_1000 0.1 oC
MAP pressure 5 Boost pressure VAR_3504 1 kPa
Ignition angle angle 2 Ignition angle VAR_3001 0.1o
Throttle position aux 1 Throttle position VAR_2000 0.1%
Page last modified on May 23, 2014, at 03:00 PM