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ed_ma61 Forums Junkie Location: Lost in the K hole Registered: May 2002	OBD, scan tool diagnostics, and toyota check pins.... Sun, 04 January 2004 09:42 okay - here goes... im interested in making a funky Palm-Pilot based scan tool for looking at the engine and ECU parameters of my 7m (OBD, not OBD2) i got the idea from here: http://mmcd.meditprofi.ru/ now, that circuit is designed for a mutsubishi, however, i was thinking it would be worth a crack at trying to interface it with the toyota serial data output pin (VF). perhaps the addresses of the data are different, i dunno, i cant find any further info, but im willing to find out. now looking at this (page 5): http://www.autoshop101.com/forms/h47.pdf it would seem that in order to get the serial data pin (VF) to function, one needs to bridge terminals TE2 and E1(earth). problem is, my good ol 7m doesnt seem to have TE2 (only has T, which is equiv of TE1 from what i can figure - used for error codes and setting timing etc))... yet it does still has a VF output pin. now i cant seem to find any info on what to do to get VF to function in my setup, anyone have any ideas? this is what the diag box of my 7m looks like: so with that in mind, anyone then have any ideas as to whether that OBD palm scan tool would work with a toyota? data addresses? any other thoughts? i have a spare palm pilot that i think would be great to use for something like this, so any ideas, fire away! cheers ed [Updated on: Sun, 04 January 2004 09:53] [Report message to a moderator]

	Subject	Poster	Date
	OBD, scan tool diagnostics, and toyota check pins....	ed_ma61	Sun, 04 January 2004 09:42
	Re: OBD, scan tool diagnostics, and toyota check pins....	Grega	Sun, 04 January 2004 19:19
	Re: OBD, scan tool diagnostics, and toyota check pins....	stevevp	Sun, 04 January 2004 22:27
	Re: OBD, scan tool diagnostics, and toyota check pins....	ed_ma61	Mon, 05 January 2004 05:38
	Re: OBD, scan tool diagnostics, and toyota check pins....	stevevp	Mon, 05 January 2004 09:09
	Re: OBD, scan tool diagnostics, and toyota check pins....	82MKII	Mon, 28 March 2005 15:01
	Re: OBD, scan tool diagnostics, and toyota check pins....	ed_ma61	Mon, 05 January 2004 05:48
	Re: OBD, scan tool diagnostics, and toyota check pins....	sideshow	Mon, 05 January 2004 05:49

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