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As a confirmation I talked with SG tech support. The parameters I posted above are in fact what they loaded in your 06 LX and good for at least 04/05/06 Toyo/Lex models. FWIW They do not believe you can pull data from both sensors. Checking my TFT operating temps they suggested I compare TFT against water temp, intake air temp first thing in the morning- water temp and TFT were with in 1 degree of each other at start up today, so I guess my TFT temps are pretty accurate. I'm surprised my trans runs so cool, suppose that's not a bad thing I guess.
These are the X-Guage parameters to retrieve TFT data for ISO protocol.
Scangauge:
TXD: 686AF121B4
RXF: 046105B40000
RXD: 2808
MTH: 00090005FFD8