Autronic SM3 and SM4 v1.09 to v1.15
Compatibility
- Autronic SM3
- Autronic SM4
The Autronic SM3 and the Autronic SM4 running on the below firmware version(s), streams data out automatically at a rate of 19200baud.
The O/P Datastream must be enabled in the ECU mapping software, as shown below:
Connections
This ECU should be connected via serial / RS232 connections.
- The ECU is supplied with a serial cable:
Connect this between the ECU & Race Technology ECU Interface, Data Logger or Dashboard.
Data Channel Listing
ECU Message Name
| Race Technology Data Channel
| Resolution of Data
|
RPM
| RPM (Engine RPM)
| RPM
|
Coolant temp
| Coolant temp (temperature 8)
| 0.1 oC
|
Charge temp
| Inlet pre turbo 1 (temperature 2)
| 0.1 oC
|
Intake air temp
| Ambient air temp (temperature 1)
| 0.1 oC
|
Manifold pressure
| Boost pressure (pressure 5)
| 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
|
User selectable data 2
| Exhaust 2 temp (temperature 18)
| 0.1 oC
|
User selectable data 3
| Exhaust 3 temp (temperature 19)
| 0.1 oC
|
User selectable data 4
| Exhaust 4 temp (temperature 20)
| 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.