Call me back | My basket | Checkout | Add to email list

     You are here: Website » Knowledge base

« back to website

ECUType / AutronicSM4V108

Autronic SM4 v1.08


  • Autronic SM4


The Autronic SM4 running on the following firmware version(s), streams data out automatically at a rate of 19200baud.

  • Up to v1.08


This ECU should be connected via serial / RS232 connections.

  • The ECU is supplied with a serial cable:

Connect this to the Race Technology ECU Interface, Data Logger or Dashboard.

Data Channel Listing

ECU Message Name Race Technology Data Channel Resolution of Data
RPM RPM (Engine) 25 RPM
Coolant temp Coolant temp (temperature 8) 0.1 oC
Charge temp Inlet post intercooler temp (temperature 2) 0.1 oC
Intake air temp Ambient air temp (temperature 1) 0.1 oC
Oil temp Oil temp (temperature 9) 0.1 oC
Manifold pressure Boost pressure (pressure 5) 1 mBar
Fuel pressure Fuel pressure (pressure 3) 1 mBar
AF ratio Lambda 1 (misc 1) 0.01 lambda
Injection time Fuel inj 1 PW (aux 6) 1 ms
Ignition angle Ignition angle (angle 2) 0.1o
Battery voltage Battery voltage (misc 3) 0.01 V
Throttle position Throttle position (aux 1) 0.1%
User selectable data 1 Exhaust 1 temp (temperature 17) 0.1 oC

Not all channels listed in the table above may be available from your ECU. The available data channels vary with the vehicle model, year of manufacture & connected sensors.

Page last modified on August 19, 2020, at 12:49 PM