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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Lets say that the gear ratio on first gear is 8. This table uses the same engine speed calibration sites as the manifold pressure failure table limp-home table.

Then we simply disable it by setting both the parameters Boost setpoint and Boost setpoint to a very high value that will never be reached.

Soldering a crimped terminations can cause the wire at the crimp to become weak. You can use the mouse or the Arrow keys on the keyboard to highlight any of the coloured cells and then press Enter. Press F8 to start the PC logger.

Multiplexed output function allows coil per cylinder without waste spark in application beyond 4 cylinders and waste spark beyond 8 cylinders, when used with compatible ignition systems. Shows errors recorded in ECU.

Click here to open MRM Racing SM4 manual |

Knock input sets how the knock detector records errors. You can then just select the sites you wish to be automatically tuned. Lower engine speeds means that the air will be effected by the water temperature s4m the manifold. NOTE, Some of these axis may be in sub menus. NOTE, May be trimmed to read correct volts. Precise spark advance control strategies for both static and dynamic operating conditions.


If the gear ratio is above the value set in parameter Boost setpointthen Boost setpoint 2 table will be used.

Click here to open MRM Racing SM4 manual

Make sure ignition advance, retard limits are not exceeded. The boost control has been tuned so the turbo will at most give a boost pressure around the wanted Boost setpoint, and well within the Over boost margin that otherwise would cause a boost cut to avoid damaging the engine.

This is true for both the ways to select Boost setpoint table. 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.

Anti-lag coolant max Temperature below anti-lag will work, when above this anti-lag will shut off directly. This is where the engine idles.

This will make the pressure rise before the throttle, and in turn that the exhaust back pressure before the turbo will rise. Minimum output pulse time Maximum output pulse time Resolution Accuracy.

If the trigger edge is the transition from high-to-low, it will be shown as a downward facing arrow, and called falling edge. Minimum IAC valve position allowed. Example race fuel or standard fuel switch.

Autronica SM4 Manual

Modified Boost offset table We log new test runs, and add or subtract values to the Boost offset table cells until we are satisfied with the regulated boost pressure around KPA. Turbocharged engines should use injector soft or hard cut or ignition hard cut. A function that is inverted will be on even if the wire is not connected at all and when grounded off.

Adjust restrictor size, control range and dynamic comp to achieve a smooth 10kpa or less movement boost line. If we manuak to use the Boost setpoint 1 table on first gear, and the Boost setpoint 2 table on gears 2 and up, then set parameter Boost setpoint to a value in between the gear ratios of first and second gear. Wiring Injectors The injector wires are sm together 10 wiresthe two brown wires are 12 volt power and should be split to all injectors.


Finally a SM4 manual to download – Autronic MRM Forum

The overrun deceleration zone can be part autotuned, but most often the lowest KPA cells must be estimated from the neighbour row with higher KPA. Opens or closes, menus. Keep sweeping back and forwards from 0 to deg until you find the point where the engine runs the roughest. The Boost setpoint tables may be selected by any combination of gear ratio as described in chapter 0 ovan, or external switches, and even based on internal switches.

It may also use magnetic inductive signal in conjunction with the internal reluctor adapter. Even if the throttle is only half open. Adding values auttonic to the light load values in the main ignition table can soften the transition from normal running and deceleration. Boost Configuration Menus Over boost margin, for Over boost time seconds, the SM4 will cut fuel to the engine until the boost pressure is down to safe values.