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Discussion Starter #1
Hi All,
I have some problem with the sensor.
At the end of the radiator upper hose, I think, there is the coolant temperature sensor.
Please, see the pic I am attaching.
My guess is based on its form/location and also in online part stores
I see similar products:



My problem is: in manuals I did not find any information on this sensor - how to test etc.
There is many info about other temp sensor (with two terminals) which is behind the engine,
but not about this one.
Can anyone advise how to test / see if it needs to be replaced? Or point out any soarse /literature?
Many thanks in advance and have a great day.
 

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Registered
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Discussion Starter #2
In this video, at the end there is test for this one terminal sensor. Will do similar test, but not sure about reading specs.

 

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Sup Mod keeping the peace
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6,510 Posts
The temp sensor you're referring to feeds the temp gauge on the dash; it uses only one wire. The other temp sensor feeds the ECU. Here's the spec on the single wire sensor:

6333
 

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NF Mod/Nissan Master Tech
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9,593 Posts
To check the gauge and circuit, unplug the temp sensor and run a direct ground to it. Turn the key "on" and the coolant temp gauge needle should slowly go from cold to hot.
 
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