RhoXS Posted February 20, 2013 Share Posted February 20, 2013 I am trying to find the coding so a ScanGauge II will display engine oil temperature and transmission temperature for a 2009 RX-350 FWD. Various codes for these two parameters exist but I have found none that work because they seem specific for other models. I live in Florida but am in upstate NY for an extended period. When I start the car and the temperature is in the twenties or even much lower I just wait an arbitrary 4 or 5 minutes for it to warm up somewhat. I would rather be smarter and watch actual temperatures. The Scan Gauge does reliably display water temp but I think oil temperature would be more meaningful. Transmission temp is also important because I suspect it does not consequentially warm up until the vehicle actually gets underway. Quote Link to comment Share on other sites More sharing options...
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