Stock Nissan Coolant Sensor Resistance values.

Discuss topics related to the CA18DE and CA18DET series engines.
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The_Chosen_One
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Joined: Tue Oct 17, 2006 2:05 pm
Car: 2009 Subaru Impreza 2.5i
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Alright I figure I'd post my results to confirm the resistance values at different temps for the Stock Coolant temp sensor. This is important for you people who have gone Standalone that give you the oppurtunity to use stock sensors like Megasquirt.

Temp:~~~~~~~~~Resistance (Ohm)48.0F~~~~~~~~~471086.0F~~~~~~~~~2010170.0F~~~~~~~~330

I have tested it and checked its accuracy, it matches FSM values and when test driving shows when the Thermostat opens which is 195*F the sensor reading will go from 196-7*F and drop to 183*F and stay their depending on driving.


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The_Chosen_One
Posts: 1664
Joined: Tue Oct 17, 2006 2:05 pm
Car: 2009 Subaru Impreza 2.5i
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bump I know some peeps need this info.

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chausaster
Posts: 83
Joined: Mon May 23, 2005 9:06 pm
Car: 1990 Nissan 240SX Fastback CA18DET

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bump bump this is great info i decided to go back to my stock coolant temp on my ca18. now its time to retest and hope for the best....

beans33
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Joined: Mon Jan 10, 2005 5:51 pm
Car: 1993 ca18det 240sx

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Thanks TCO this will be useful since im using the stock coolant sensor for my MS3. If there are any other things to know about MS that make things easier, please let me know thanks


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