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1. #2014 FORD FUSION 1.5 L COOLANT TEMPERATURE SENSOR LOCATION FULL#
2. #2014 FORD FUSION 1.5 L COOLANT TEMPERATURE SENSOR LOCATION REGISTRATION#

If in doubt, measure the sensor’s resistance and compare the resistance to both a scan tool PID and a temperature laser reading. Likewise, after a 30 minute drive, you know you are supposed to be in the hot range. It all depends on what range you were in, so if you were checking the sensor immediately after a cold soak start up, you would know you are suppose to be in the cold range. A 3.07V reading could mean 110 degrees C (230☏), while 3.26V could mean 20 degrees C (68 degrees F). Looking at the chart in Figure 4, you will notice that there is the potential for confusion outside of the overlap zone. It is in this range a technician can become confused watching a sudden voltage change from 3.71V to 0.60V. During the overlap stage from one resistor to another, computer programming watches and determines which value is correct (the cold end or the hot end). With two resistors, the sensor can provide a constant linear voltage representation across a wide range of temperatures. In other words, for this sensor to have a range of -40 degrees C (-40 degrees F) to a high 260 degrees C (500 degrees F), two resistors are required. For example, at 90 degrees C (194 degrees F), the voltage could read either 0.060V or 3.71V.” and message on dash for overheat comes on. The car idles for about 10 to 15 minutes then coolant tank starts to bubble.

#2014 FORD FUSION 1.5 L COOLANT TEMPERATURE SENSOR LOCATION FULL#

The customer added some coolant before I got it, full on coolant right now. Note the temperature to voltage, “Overlap zone.” Within this zone, it is possible to have either a “Cold end” or "Hot end” voltage at the same temperature. The first thing I checked was the charge cooler inside intake, it looks good. A graph showing temperature switching from the “Cold end” to the “Hot End” line, with increasing temperature and back with decreasing temperature is included. "To cover the entire temperature range of both the CHT and ECT sensors, the PCM has a dual switching resistor circuit on the CHT input (5V line). “On applications that do not use an engine coolant temperature (ECT) sensor, the CHT sensor is used to determine the engine coolant temperature," Ford notes. The PCM receives the various voltage signals and equates it to a temperature value. A basic description of the sensor is that it is a thermistor device in which resistance changes with temperature.Īs the temperature increases, the resistance decreases causing a voltage drop to occur on the 5V signal wire. A 2-wire sensor to infer coolant temperature. Monitoring its voltage change without a basic understanding of its operation can be confusing.Īccording to Ford, this is a primary input in the PCM’s strategy to control Torque Converter Clutch (TCC) operation. if this part is not working then the engine runs the risk of overheating, which is bad for the car. the thermostat is what measures the temperature of the coolant running through the line, and from there it can determine what temp the engine is running at. In fact it is quite a sophisticated little system. The 2014 ford fusion thermostat is in the thermostat housing on the lower coolant line. Some of the information may no longer be relevant, so please use it at your discretion.įord’s CHT sensor signal is not a typical 5 volt linear signal.

#2014 FORD FUSION 1.5 L COOLANT TEMPERATURE SENSOR LOCATION REGISTRATION#

Registered in England and Wales, Company Number 2680212, our VAT registration is 766436989.Editor's Note: This article was orginally published June 10, 2013. Use may affect your credit score or make credit less accessible or more expensive for you. Pay in 3 is a form of credit, may not be suitable for everyone. Pay in 3 eligibility is subject to status and approval. PayPal Pay in 3: PayPal Pay in 3 is not regulated by the Financial Conduct Authority. Credit subject to status, UK residents only, Euro Car Parts Limited acts as a broker and offers finance from PayPal Credit. PayPal Credit: Terms and conditions apply. 22-24 Boulevard Royal L-2449, Luxembourg. PayPal Credit and PayPal Pay in 3 are trading names of PayPal (Europe) S.à r.l. The 2014 ford fusion thermostat is in the thermostat housing on the lower coolant line. (VARIABLE) | REPRESENTATIVE 23.9% APR (VARIABLE) | ASSUMED CREDIT LIMIT £1,200 REPRESENTATIVE EXAMPLE: PURCHASE RATE 23.9% P.A. HI there, The CHT sensor is mounted to the back of the cylinder head.