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Originally Posted by TiberiusTribun
Well HHH state they can display and clear error codes too.
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The HHH logger will clear DTCs for the ECU. Basically, it can clear anything that triggers the Check Engine Light.
I believe the SRS codes are stored on the SRS control unit, not the ECU.
Quote:
Originally Posted by Let-luse
OBD-IIs on the other hand have limited options. The OBD-II version of HHH has a very slow data sampling rate and AFIK doesn't log knock so it's pretty useless on an OBD-II.
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I believe you are correct. I am fairly certain HHH does not log knock on an OBDII (96+) ECU.
Quote:
Originally Posted by Let-luse
Evoscan has a decent data sampling rate and logs knock. Plus it can log boost, EGT and Wideband AFR since it offers the option to integrate Innovate or Zeitronix products. For us OBD-II owners, Evoscan is a blessing.
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The guy who programmed the HHH logger said that he was going to make an update patch that allows for you to log external signals through the EGT thermistor (similar to other loggers). I'm not sure if this has happened yet though. If the patch is already available, then HHH would give you the capability to read voltage from one exernal sensor.
Also, I haven't used my HHH (hybrid) logger recently, but I thought that the software allowed several additional external fields. Of course, the question is how do you configure your laptop to accept these signals. Its not like the ECU or the logger cable have ports for external sensors. If this feature is useable in the software, it would require a hardware component to measure the voltage. Perhaps a custom serial cable can be made???