Latest versions of Autronic Autotune & manual tune software. (requires x 32bit code support), All SM3, SM4, EVO9 & Subaru – ECUs, Download. Select Manufacturer “Autronic” Model “SM4”. Refer to Race Studio Configuration user manual for further information concerning the loggers configuration. Autronic SMC Manual ver 6. Software. PC hardware requirements. The calibration and data logging software supplied with Autronic SMC ECU may be used.

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Amount autronlc throttle opening required beyond which no fuel is injected during cranking. Controls the delivery of fuel for acceleration from large throttle openings. Precise spark advance control strategies for both static and dynamic operating conditions.

Next two parameters in the menu is Over boost margin and Over boost time. Setting parameter Boost setpoint to the value Options – 4 Stroke or 2 stroke engine.

Click here to open MRM Racing SM4 manual

If using a USB to serial augronic make sure the comport are set up correctly in the Autronic software. Table properties Shows the table properties. They can be of a dumb type which uses dwell control from SM4 or smart types which use a pulse output, like the CDI. PC Warnings options 1.

It is now possible to directly connect this trigger to the SM4 and use the internal reluctor adapter to convert the signal to square wave required for the SM4.

Extra engine RPM above normal idle speed immediately after engine start. This calibration is dependent upon the relative size of the throttle butterflies to the engine capacity.

Comments to this Manuals Your Name. This value represents the percentage of throttle opening during cranking where the ECU will no longer provide an injector pulse.

How many sites used by table Maximum sites How many are possible Also shows if any axis is common to other tables. To move a item from to different lines you select this via the “Color ranges” menu. For more information on selecting Boost setpoint table depending on which gear is mznual, please read chapter 0 nedan. When you have found these, test from each one of these to another terminal until you find the two terminals that the resistance decreases as the throttle is opened.


See Throttle Manaul Learning in this manual. Table of Contents Add to my manuals Add. Trigger ground on the CDI is not used. Setting up a superior launch-control with SM4 chip 1.

The sensor is made by Autronic. Ignition System The Dumb ignition module requires the SM4 to perform the dwell control or charge time of the ignition coil. Overall fuel calibration Multiplier: Press F8 to start the PC logger. Menu M1 Base Settings Primary fuel method: Disconnect the Autronic ECU from the electrical system whenever doing any arc welding on the vehicle by unplugging the wiring harness connector from the ECU.

The signal from SM4 determines the charge time of the coil and tries to maintain the specified charge time from the Ignition Dwell table at all engine speeds.

Use “Open logged file” from the file menu to view the data. Normally the only chamber available on a built in wastegate.

But for now we set it to all zeros. Cylinder Sensor Cylinder sensor type 1. Locate a suitable position on the engine aurronic will allow the hole and thread to be machined, and which gives access to the coolant stream. Decay time for post start fast idle increase. This value is used to get the numbers in the main fuel table within the 0 to range.

Calibration for idle speed increases immediately following start-up.

When running the wiring for outputs, run any power and ground wiring to the locations where they will be connected, but do not connect power or ground the connections yet. Here you enable and configure the CLC closed loop control. This is one of the dedicated PWM output pins, and it provides a reliable PWM signal with selectable frequency ranging from 9. Sets the amount of additional fuel delivered for increasing throttle openings starting from a closed throttle condition.


You can use the mouse or the Arrow keys on the keyboard to highlight any of the coloured cells and then press Enter.

Finally a SM4 manual to download – Autronic MRM Forum

Making changes before all fuel sites are tuned can cause confusing tuning problems. Recommended to edit this table via “Edit-Window”,”Charge edit assist” as this will trim the “Base fuel delivery” table for minimal effect on the already mapped engine.

No connection to -ve input pin allowed.

Go to properties of COM1 5. You can also weld an extra mount for tuning with an Autronic analyser. Boost setpoint table switches If both switches are off, the Boost setpoint 1 table is selected. The “Q” key mamual the data log window. Used to reduce boost pressure in relation to other variables. See “M1-Table Axis Setup”. Soft autronuc cut can cause autroinc in the exhaust which can damage a turbocharger. A heavy duty kPa 74 PSI absolute continuous rated sensor is available on special order.

If the ground is not in good condition, it can cause a reduction in primary current which affects current limiting or dwell control. The amount of delay before idle control valve returns the engine speed back to idle speed.

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