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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Set the line you want to graph to when graphing Manuual enter on selected item. So press “V” to view the whole graph then move cursor to where you want to examine data then press “V” again and have it zoomed to normal again. Either with the Boost setpoint parameters or with external switches. Minimum IAC valve position allowed.
These are not PID types. Users report a noticeable improvement to engine performance immediately following both clutch and WOT wide open throttle gearshifts. However, the injection angle will be wrong. Manual Tuning with the M maths Key on the keyboard This method is done by using the PC data logger to record the air fuel ratios.
Setup is much simplified, not requiring any diagnostic aid, calibrator or laptop computer. Do not use autroniv on forced induction engines. You can then just select the sites you wish to be automatically tuned.
This value represents the percentage of throttle opening during cranking where the ECU will no longer provide an injector pulse. Press the Tab key to switch back to the data log. Select items to display on the graph Space bar. Press “ALT” or escape key to access menus. EXP left to right Exponential function left to right. The “Q” key closes the data log window.
Over-run is deceleration with closed or very small throttle openings. The sensor should be mounted after the engine and before the thermostat in the coolant circuit. See wiring diagram fore more information.
Used to set the amount of boost above the set point is acceptable before the ECU cuts injectors. This manual offers guidelines to testing your fuel system and suggests some solutions, if there are supply problems.
Stoichiometric air fuel ratio. To get data in stripcharts, PC logger has to be running. Helps give higher resolution. Normally the two white are heating power and ground and the black is signal and grey sensor ground. If table opened with same axis variables as logged data then an orange cursor shows the table position.
On a street engine we want to keep this lean because of emissions and fuel economy.
And lets say the turbo spooled up just before rpm, and that we did not pull higher than rpm to be safe. It needs to be connected so that sees 12 Volt only when ignition switch is on and during cranking. Now we have calibrated the Boost range and the Boost offset table so that the boost control valve gives us the boost pressure we want.
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The exact settings of the launch control parameters must be adapted to the car it is implemented in. The only true way of determining this is using an true Autronic analyser. Injection angle Injection angle in crankshaft degrees. Before purchasing this product or attempting to use an existing unit in a new application, you should confirm its suitability by downloading the compatible P.
AUTRONICA SM4 MANUAL Pdf Download.
Power Supply – Current. Decays away with time to warm-up fast idle RPM calibration. Y axis also used by Injection autrobic trims. The Input Trigger The SM4 is designed to trigger from either a square wave signal that varies from a low zero sj4 to a high autrojic between 6 and 15 volt. You can also weld an extra mount for tuning with an Autronic analyser. Care must also be taken for large injectors not being able to fuel properly with small injector openings on the vaccum line.
The X-axis of the table show Engine speed rpm and the Y-axis show Coolant temp. 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. Air cooled engines, vary the engine temp After a little cool down.
Click on Port settings 6. Other wires They are clamped together for easy finding to each function.
On the SM4, there is much more sophisticated methods to counter the starvation, with rpm rate and boost rate enrichment tables, and with chip version 1. The Motronic wheels that are supported by SM4 are the 60 teeth with 2 missing and 36 teeth and 1 missing tooth.