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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 424 (5.7L - DTCS B1810 To P0204 - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P0116-Engine Coolant Temperature Sensor Circuit Performance >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The Coolant Temperature Sensor is a variable resistor that functions as a normal two wire 5 volt sensor. The PCM supplies a 5 volt reference on the signal circuit, and a ground to the sensors low reference signal circuit.

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