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88 toyota pickup 22re question
On Mon, 05 Sep 2011 10:21:19 -0700, jim beam wrote:
> On 09/04/2011 11:35 AM, hachiroku wrote: >> On Thu, 01 Sep 2011 17:45:05 -0700, jim beam wrote: >> >>>> Yes, I meant coolant temp sensor. Standing in front of your 22RE, there >>>> are two sensors side by side on the left hand side of the engine, in the >>>> front...they should be just in front of the thermostat housing. The sensor >>>> on the left is the 'start injection time switch', and the one beside it is >>>> the 'coolant temp sensor'. Do you need the specs for testing them? I can >>>> dig 'em out if you need 'em, but you'll need a multi-meter to check them. >>> >>> yeah, i have that one figured out - it's #2 on my list. it's a >>> thermistor that the ecu uses for coolant temp measurement. it works fine. >>> >>> but there's supposed to be another, called "SWITCH, TEMPERATURE; SWITCH, >>> TEMPERATURE DETECT, NO.2". it's a switch that remains open below 50C, >>> then closes when hot. it's supposed to signal the ecu as part of the >>> emissions/overdrive control. >>> >>> <http://www.villagetoyotaparts.com/showAssembly.aspx?ukey_assembly=348529&ukey_produc t=2411848> >>> >>> <http://www.flickr.com/photos/38636024@N00/6104875638> >> >> >> Have you managed to figure this out yet? > > not yet. still going backwards and forwards on what 89428-20050 is > supposed to look like. > > >> Unfortunately my 22R experience >> is limited, and I had W59 transmissions. No AT sensor required. >> >> Looking over the diagrams, you could just wire a switch in there... >> >> When the engine gets up to temp, flip the switch. > > yeah, i've been thinking about that. i'd rather have it working > properly though. if i do anything invasive, it'll be to upgrade the > whole retarded management system. the 88's batch injection is /really/ > primitive. [i don't get batch injection - may as well just do throttle > body.] > > and toyota's "documentation" SUCKS. Nuts. The drill downs on the OEM parts sites used to include diagrams, but don't seem to any more. I think what you're looking for is termed Temp sending unit, supra, switch It's listed as "Supra" across the spectrum. It looks like this http://wzops.cn/showpt.aspx?id=61 And that's the one I broke while preparing to remove the head from my Supra... |
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