Coolant Temperature sensor sending unit - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 08-15-2008, 07:48 PM
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Coolant Temperature sensor sending unit

On a 1993 22RE, where is the coolant temperature sensor?? After reading Haynes, FSM, and online searches, I can't find it.

Keywords: CTS, ECT sensor, Coolant Temperature Sensor

EDIT:

After much soul searching, it appears that the Engine Coolant Temperature (ECT) Sensor is attached to the green connector below.


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1993, 22re, 2wd, (w55)
152k mostly bone stock
Mods: Roof rack and basses in the back.

Last edited by sevitzky; 08-24-2008 at 07:02 AM. Reason: photo, remove agro comments
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#2 Old 08-15-2008, 11:59 PM
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temp sensor on 90 22re?
coolant temperature sensor

1994 | Hilux | XCab | 22RE | W58 | 8"V6 | FX-R 3.0 5000K 35W | 18x10 + 275/35/18

89-95 Hilux Massive Truck Info

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#3 Old 08-16-2008, 08:28 AM
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THANKS, DubVipers (I swear I did multiple searches)


Does anyone know how to test this according to the FSM, which specifies decreasing resistance as temperature increases? Specifically, how do you measure the temperature? (No #'s on my dash temp gauge) Or do you just start the vehicle and watch the resistance dec. as it warms up?



Sev.

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1993, 22re, 2wd, (w55)
152k mostly bone stock
Mods: Roof rack and basses in the back.

Last edited by sevitzky; 08-24-2008 at 07:03 AM.
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#4 Old 08-24-2008, 02:59 AM
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its the green one, take it out and stick it in cold water and measure with a volt meter on ohms setting., should read high ohms in cold and low ohms in hot water. low being 0.2 high being 1400. hope this helps.
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#5 Old 08-24-2008, 07:07 AM
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Thanks, that helps.

It would be easier to take it out and test it, duh. I thought I had to test the unit by running the engine and measuring the heat in the radiator...

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1993, 22re, 2wd, (w55)
152k mostly bone stock
Mods: Roof rack and basses in the back.
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#6 Old 07-15-2012, 11:36 AM
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I needed this BAD! Thank You.
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#7 Old 07-18-2012, 12:52 AM
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Keep in mind that the discussed sensor is the one that reports to the computer, not the gauge.

'91 22RE 5spd reg cab 4WD. 250K+ miles. 31"/4.56 Budbuilt skid, and a really nice TJM front bumper. Currently not leaking anything.
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