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Toymods » Tech & Conversions » Crown 1UZFE ECT speed sensor inputs **now with pics** Show: Today's Posts  :: Show Polls  Email to friend

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Grant Forums Junkie Location: Newcastle, NSW, Australia Registered: May 2002	Re: Crown 1UZFE ECT speed sensor inputs Wed, 24 March 2004 21:31 There are many different ways in which Toyota notate speed sensors and it can get confusing. I've seen SPD, SP1, SP2, SP20, -S/+S, -SP2/+SP2 all used from time but the basic function is the same: one speed sensor is the primary signal from the speedo and one is the back-up signal either directly from the gearbox or from the ABS unit. The number of revolutions can vary from model to model but most use 4 pulse/rev from the speedo and 1 pulse/rev from the back-up (although Soarers tend to use a modulated signal for back-up). The signal from the speedo is a positive signal i.e. the hall effect sensor in the speedo generates a 0 - +6 (or 12) volt pulse whereas the back-up signal is already a 6 or 12 volt output that is grounded every revolution of the tailshaft. SP1 is usually the primary signal but in your case it is the back-up and SP is the primary. The sensor in the box is actually the ABS sensor which is why SP1 comes from the ABS computer. In cars without ABS, the space occupied by the ABS sensor is fitted with either a simple reed switch or an inductor (for Soarers). To get SP working you will need the dash to work. If you are not planning to run ABS and just want to get the 1UZ changing gears then get yourself a reed sensor from a mid 80's Toyota that does not use ABS. The sensor is about 10mm in diameter and about 25mm long with either single or twin wires. Stick a small magnet onto the tailshaft (I find the uni joint is a good location) and mount the sensor no more than 5mm away. That should get you going. [Updated on: Wed, 24 March 2004 21:32] [Report message to a moderator]

	Subject	Poster	Date
	Crown 1UZFE ECT speed sensor inputs **now with pics**	gianttomato	Wed, 24 March 2004 01:27
	Re: Crown 1UZFE ECT speed sensor inputs	THE WITZL	Wed, 24 March 2004 01:43
	Re: Crown 1UZFE ECT speed sensor inputs	gianttomato	Wed, 24 March 2004 02:08
	Re: Crown 1UZFE ECT speed sensor inputs	THE WITZL	Wed, 24 March 2004 02:13
	Re: Crown 1UZFE ECT speed sensor inputs	KDog	Wed, 24 March 2004 05:08
	Re: Crown 1UZFE ECT speed sensor inputs	gianttomato	Wed, 24 March 2004 06:38
	Re: Crown 1UZFE ECT speed sensor inputs	Grant	Wed, 24 March 2004 21:31
	Re: Crown 1UZFE ECT speed sensor inputs	gianttomato	Wed, 24 March 2004 22:07
	Re: Crown 1UZFE ECT speed sensor inputs	Grant	Wed, 24 March 2004 22:17
	Re: Crown 1UZFE ECT speed sensor inputs	gianttomato	Wed, 24 March 2004 22:22
	Re: Crown 1UZFE ECT speed sensor inputs	THE WITZL	Thu, 25 March 2004 00:18
	Re: Crown 1UZFE ECT speed sensor inputs	Grant	Thu, 25 March 2004 02:04
	Crisis over!	gianttomato	Fri, 26 March 2004 05:52
	Re: Crown 1UZFE ECT speed sensor inputs	sideshow	Fri, 26 March 2004 07:18
	Re: Crown 1UZFE ECT speed sensor inputs	Grant	Sun, 28 March 2004 22:05
	Re: Crown 1UZFE ECT speed sensor inputs	gianttomato	Sun, 28 March 2004 22:18
	Pics	gianttomato	Mon, 29 March 2004 11:03
	Re: Pics	Allan	Mon, 29 March 2004 13:03
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	KDog	Wed, 28 April 2004 02:18
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Wed, 28 April 2004 05:03
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	KDog	Wed, 28 April 2004 05:13
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Wed, 28 April 2004 05:22
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	KDog	Wed, 28 April 2004 06:11
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	KDog	Wed, 28 April 2004 06:14
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Wed, 28 April 2004 10:49
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Wed, 28 April 2004 10:52
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	gianttomato	Wed, 28 April 2004 10:54
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Wed, 28 April 2004 11:13
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	KDog	Wed, 28 April 2004 22:17
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Wed, 28 April 2004 22:47
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	KDog	Thu, 29 April 2004 00:06
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Thu, 29 April 2004 07:15
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	E30-323ti	Fri, 30 April 2004 02:44
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	Grega	Fri, 30 April 2004 06:05
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Fri, 30 April 2004 11:24
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	Grega	Fri, 30 April 2004 22:53
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Mon, 03 May 2004 07:44
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	gianttomato	Thu, 06 May 2004 06:04
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Thu, 06 May 2004 10:28
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	stevevp	Thu, 06 May 2004 22:36
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Thu, 06 May 2004 22:44
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	stevevp	Fri, 07 May 2004 03:31
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	sideshow	Fri, 07 May 2004 08:06
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	gianttomato	Sun, 06 March 2005 02:12
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	Allan	Sun, 06 March 2005 02:27
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	gianttomato	Sun, 06 March 2005 05:33
	Re: Crown 1UZFE ECT speed sensor inputs **now with pics**	Allan	Sun, 06 March 2005 05:47

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