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HomeHelp TopicsButtonsECU Scanner uses buttons with icons representing different functions that are consistent across all screens. CLOSE buttonThis button closes the ECU Scanner application.  MINIMIZE buttonThis button minimizes the window, you can restore the window by clicking on it. Connecting Depending on the type of a vehicle the initial connection time may vary between one and six seconds. Once the communication is established the vehicle type will be displayed and all diagnostic indicators will start to function. ECU Scanner automatically re-configures the interface to display relevant information depending on the make and type of a connected vehicle. There are some differences between the information provided by Subaru and Mitsubishi ECUs, thus not all of the indicators are common for both vehicles or display the same information. Connected to a Subaru vehicle  Connected to a Mitsubishi vehicle  Diagnostic Trouble Codes In addition to live data display ECU Scanner can retrieve and interpret over 2000 powertrain diagnostics trouble codes. To start this process click on the Diagnose button and wait for the results to appear. Display format for the diagnostic trouble codes is [C/H] [CODE] [DESCRIPTION] where current codes have prefix C and historic H.  It takes more time to retrieve codes from Mitsubishi vehicles as communication protocols must be changed. Reseting ECU When a Subaru ECU is reset, the Advance Multiplier (AM) value will show 8 (or 0.5). You should let the engine management system learn and increase the Advance Multiplier to 16 (or 1) before dyno testing. Reseting ECU will also clear diagnostic trouble codes in both Mitsubishi and Subaru vehicles. You may be asked to turn the ignition off and on to complete reset procedure. Data LoggingTo start data logging click on the "RUN" tab and select between two options "RUN" and "MONITOR". The only difference is that "MONITOR" mode will continuously log data even when you vary the throttle position unlike "RUN" mode that will stop logging if it detects that you took your foot off the accelerator pedal. In both modes you need to click the Start button to begin the logging process that will terminate either automatically or manually by clicking on the Stop button. The RPM and Knock Correction displays are active at all times, however the graph will start to display data after the Start button is pressed. The Knock Correction display has three arrows to indicate the current and historic states. The yellow arrow shows the current reading, the green arrow shows the highest reading and the red arrow marks the lowest reading. For Subaru vehicles the graph will display Knock Correction values versus Boost (psi) at any given RPM point.  For Mitsubishi vehicles the graph will display Knock Correction (knock count) versus calculated Load at any given RPM point.    The Save and Open button allow you to save the currently displayed data or load data that you have previously saved. Please note that the last trace file is automatically saved every time you finish the data logging process, thus you don't need to click on the save button if you wish to use the Show Last Trace feature in Motorsport Logic ECU Editor. Disconnecting ECU Scanner contains an automatic disconnect feature triggered by the loss of communication with ECU (ignition off) or by request from Motorsport Logic ECU Editor (prior to reading from or writing to the ECU). You may also disconnect manually by clicking on the Disconnect button or closing the ECU Scanner application. |
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