With a stand alone controller, you get control of the start up temperature and temp probe location, to best fit your cooling system. the solid state ss 1 and ss 2 fan controllers use a temp sensor that mounts under the thermostat housing bolt. other controllers may use a probe that installs into the radiator fins, or a typical thread in sensor. Recognize symptoms: engine overheating, poor a c, continuous fan operation, battery drain, risk of a c compressor damage. inspect for damage: check for corrosion, burnt marks, loose pins, cracked sockets in the relay. test functionality: use a multimeter, check for continuity resistance, listen for a click, inspect physically.
2. the cooling fan on a " " should turn on at exactly 105*c (at least min died) and then off at 102*c. hold menu and start the ignition to go into test mode, scroll down to see the actual engine temp. 3. you can check all the relays by starting the car and feeling for a click in the relay. Nissankicksforum . it turns out the problem is caused by a faulty radiator fan control module relay. i went to a dealer to ask them how much they would charge to replace this module, and even though i can buy the module from their parts department, service is telling me that they have to replace the whole radiator fan assembly. Step 2: remove the fuse relay box cover. remove the cover from the top of the underhood fuse relay box. this will be accomplished by removing or releasing any combination of retaining clips or fasteners. step 3: identify the cooling fan relay. we must now identify which relay is the cooling fan relay. most manufacturers will print a diagram on. The cooling fan kicks in and sends air flows to the engine. the air flows will continue until the sensor or ecm informs the relay that the temperature is normal again. then, the relay returns another electric charge to the radiator to switch off the cooling fan. with this, the relay is an intermediary between the sensor ecm and the radiator fan.
Step 2: remove the fuse relay box cover. remove the cover from the top of the underhood fuse relay box. this will be accomplished by removing or releasing any combination of retaining clips or fasteners. step 3: identify the cooling fan relay. we must now identify which relay is the cooling fan relay. most manufacturers will print a diagram on. The cooling fan kicks in and sends air flows to the engine. the air flows will continue until the sensor or ecm informs the relay that the temperature is normal again. then, the relay returns another electric charge to the radiator to switch off the cooling fan. with this, the relay is an intermediary between the sensor ecm and the radiator fan. Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. 1. engine running hot. one of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. if you notice that your engine is running at higher temperatures than normal. During high speed mode: the pcm grounds the (n201) fan relay control circuit and the (n112) fan relay control circuit, closing all three cooling fan relays. the (a16) cooling fan 12 volt supply circuit connects to the (n24) cooling fan motor 2 output circuit through the series parallel fan relay and provides 12 volts to cooling fan motor 2.
Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. 1. engine running hot. one of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. if you notice that your engine is running at higher temperatures than normal. During high speed mode: the pcm grounds the (n201) fan relay control circuit and the (n112) fan relay control circuit, closing all three cooling fan relays. the (a16) cooling fan 12 volt supply circuit connects to the (n24) cooling fan motor 2 output circuit through the series parallel fan relay and provides 12 volts to cooling fan motor 2.
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