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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Press “T” then move cursor or click with mouse to position want to mark then press “S” for statistics on this data.


The electrical connections to the two ends of the potentiometer fixed terminals must be chosen so that the output voltage increases with increasing throttle opening.

Connecting a regular lambda sensor direct to the unit will not help the tuning, it can only be used when running CLC on a fully tuned engine. Uses idle control to provide the higher idle speed. Repeat this on cylinder three in the firing order, looking for three marks.

At the same time an Overboost error condition will be logged in the ECU error history. Do not use it on forced induction engines. This is a good starting point. Starting Autronic software After installing the software, an icon should appear on the desktop. See chapter Dwell for more information regarding how to fin out coil charge time. Target and how many times it sampled this reading. They can be of a dumb type which uses dwell control from SM4 or smart types which use a pulse output, like the CDI.


Calibration range is 0 to 51 SEC. Ign cylinder trims Individual ignition trims can be applied. Care must also be taken for large injectors not being able to fuel properly with small injector openings on the vaccum line.

Compare Open another file to shown the values that are different from the current calibration. Windows ,XP This is done via “My computer” properties 1.

Load 30 50 70 90 It does zm4 have the ability to read the manifold pressure for correcting the fuel. P-S FastIdle timeout Post start fast idle time out. Setting up a superior launch-control with SM4 chip 1.

Shows errors recorded in ECU. The coolant temperature sensor is designed to screw into a threaded hole and protrude into the engine coolant stream. Controls the delivery of fuel for acceleration from large throttle openings.

Launch control strategy – Manual transmission – SM4 – Autronic MRM Forum

Manuwl we have calibrated the Boost range and the Boost offset table autrknic that the boost control valve gives us the boost pressure we want. Either a linear or rotary type potentiometer sensor may be used. Step 4 Select the A: Works in default time steps Lines This is where the engine produce top power, and the fuelling is set very rich to avoid heat buildup and irregular combustion.


A thread adaptor is sometimes necessary.

Number of cylinders Types. The dangerous zones must be well taken care of that they are tuned for the worst case.

Click here to open MRM Racing SM4 manual

Sync on missing pulse: The number of degrees BTDC the cylinder pulse trigger edge occurs. With the data autronkc displayed move the curser bar use Left and Right arrow keys to any point in the data log where the ghost box on the fuel table matches a RPM and Load axis.

Virtual drive instrument setup screen is automatically saved to disk when exiting. Allows screen specific variables to be displayed.

To print the manual completely, please, download it. If the engine does not pull any torque above rpm, it is not useful to continue with the high boost pressure.