![]() Whomever correctly solves this mystery gets $100 sent to their paypal/venmo. The ECT Sensor 1 resistance varies depending on the engine coolant temperature. But the fans should come on, the radiator fan when the temperature of the coolant tells it to, and the AC fan, when engaged, but neither will turn on without voltage being directly applied to them. Code P0115 2018 Honda CR-V Description The Engine Coolant Temperature (ECT) Sensor 1 is used for air/fuel ratio feedback control, ignition timing control, idle speed control, and other functions. I understand there are two ECT sensors, though I cant find the engine block mounted one. There simply seems to be nothing’telling’ the fans to turn on. I have considered that perhaps there is no fan switch on this year model- despite there being ‘evidence’ that one should exist, and despite the fact that I know the location of more or less every other generation’s fan switch. ![]() Neither fan turns on at all- not the radiator fan when the engine reaches/surpasses operating temperature(ECT SENSOR), nor both fans when the AC is engaged. When it comes to your Honda CR-V, you want parts and products from only trusted brands. ![]() The best part is, our Honda CR-V Coolant Temperature Sensor products start from as little as 17.99. If your CR-V has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. Once the temp gets so hot, the ECU commands the radiator fan to come on. The blower motor works fine and is responsive to changes by the fan control. Advance Auto Parts has 19 different Coolant Temperature Sensor for your vehicle, ready for shipping or in-store pick up. Your engine temperature sensor is responsible for relaying your engine temp to the ECU. I have checked all applicable relays and fuses including the under dash #36 fuse that is related to the fan operation. Bridge the gap in the sensor connector with jumper wires. Follow these steps to test it: Locate the ECT sensor, which is just below the distributor. If this sensor is faulty, a replacement costs around 25 to 45. Coolant Temperature Sensor/Switch (For Computer) Crankshaft Position Sensor. ![]() Yes, again the fans are both functional outside of all the circuitry. Hi Donn, If you are talking about the engine coolant temp sensor, then ECT sensor 1 is located on the engine block. The ECT sensor monitors the coolant temperature, and allows the fan to turn on if the coolant is too hot. New Crankshaft Position Sensor for Honda Civic Accord CR-V Odyssey Acura TL MDX. Honda HRV Coolant Temperature Sensor Honda S2000 Coolant Temperature Sensor Honda Prelude Coolant Temperature Sensor Show Less. ![]()
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