Check this box to automatically save each change you make as soon as you make it. This particular tab, more so than any other, benefits from this type of try and see activation.
There are some situations where users may choose to install the ECMLink clutch cut wire on the starter switch (the one activated when the clutch pedal is all the way to the floorboard) rather than the more common cruise control deactivation switch (the one activated as soon as the clutch pedal moves from its resting point). If you're using the starter switch instead of the cruise switch, you need to select this invert option because the two switches activate in opposite ways.
Check this box to permanently lock the ECU in open loop mode. There are a few situations where this might be useful. First, if you're really desperate to free up one more ECU input, you can choose to lock the ECU in open loop mode so that it will ignore the front O2 input value. Once that's done, you can connect your aftermarket sensor to the ECU's front O2 input. This isn't a recommended configuration, though. The other situation might be to help dial in a MAF sensor. You can lock the ECU in open loop mode and then more easily compare estimated A/F ratio to measured under light acceleration conditions. Both of these, however, are unusual situations and should not generally be used.
Check this box if you're running with a non-'95/'96 style cam angle sensor. See the following page on our wiki for far more details.
Check this box to disable factory communication mode. Normally, ECMLink starts up in factory-compatible mode so that factory scan tool can be used to connect to and read out information from the ECU. When the ECMLink application wants to talk to the ECU instead, it has to signal to the ECU to break out of this mode. Usually this works fine. But sometimes it can be problematic. If you're not planning to take your car to the dealer for diagnosis, you can check this box to lock the ECU in ECMLink communication mode instead which should help reduce the chances of a failed connection attempt by the ECMLink application.
Normally the ECU smoothes the raw airflow reading obtained from a MAF sensor. Such smoothing is usually undesirable when running SD because the smoothing can unacceptably delay the ECU's response to sudden airflow changes. This checkbox is checked by default. In the unusual case where raw airflow smoothing is needed during SD operation, uncheck this box and adjust the smoothing parameters via the direct-access AirflowSmoothing table.
ECMLink provides an enrichment function when the engine is started while hot. This function helps on some cars more than others. If you find that you need this function because your engine seems to run lean when started hot, then check this box. However, if you find that your fuel trims tend to go very negative when started hot while this option is selected, then you may not typically need it and would probably benefit more with the box unchecked.
Check this box to force both fans on full high at all times.
Check this box to force the fuel pump on at all times.
Certain diagnostic procedures in the shop manual require that you ground the timing connector going to the ECU. You can either go out under the hood and do this manually or you can just check this box which simulates the grounding of this pin inside the ECU.
Certain diagnostic procedures in the shop manual require that you ground the diagnostic pin on the diagnostic connector. You can either crawl under the dash and do this manually or you can just check this box which simulates the grounding of this pin inside the ECU.
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