How To Test And Replace A Radiator Cooling Fan Switch Youtube The cooling fan switch simply activates the cooling this is a short video on how to locate, remove and test the radiator cooling fan switch on your vehicle. Step 2: check for visible damage. step 3: inspect the fan’s wiring and connections. step 4: test the fan relay and fuses. step 5: perform a continuity test on the fan motor. step 6: test the radiator fan with a direct power source. test the radiator fan with the engine running.
How To Test Radiator Fan With Multimeter This is how you can test a radiator or coolant fan switch without removing the sensor from the vehicle. this will also show how you can bypass the switch ent. Unplug the lower rad hose coolant temp sensor. 3. start car (preferably not while engine coolant is too hot i.e. above 95c) let idle 15 secs then turn on ac compressor. 4. fan should start spinning on high speed within 30 secs if not shut car off to avoid overheat. this test only tells you that the fan motor works. Sorry no specifics on when the wiring switch is never had to do this. but the thermostatic fan switch is on the left side under the cowling up front,as is the sensor either could be bad and causing your problem. requires removing left radiator and fan to get at it grn blu wires fan motor switch up in there too. honda manual pages 5 17 and 18. So back to the garage and the fan was tested and it works fine and the radiator thermal switch (4110178) to the fan was removed for testing. a vom was connected to the output of the temp sensor set at 200 ohm range and the meter indicated that the switch was open. then the end of the switch was suspended in boiling water and it took about 40.
Coolant Fan Switch Testing Without Removing From The Vehicle How To Sorry no specifics on when the wiring switch is never had to do this. but the thermostatic fan switch is on the left side under the cowling up front,as is the sensor either could be bad and causing your problem. requires removing left radiator and fan to get at it grn blu wires fan motor switch up in there too. honda manual pages 5 17 and 18. So back to the garage and the fan was tested and it works fine and the radiator thermal switch (4110178) to the fan was removed for testing. a vom was connected to the output of the temp sensor set at 200 ohm range and the meter indicated that the switch was open. then the end of the switch was suspended in boiling water and it took about 40. First, i jacked it up and put it on jack stands. second, locate the fan thermo switch. mine is on the low right side (drives side) of the radiator, facing the engine. i then used a pair long nosed pliers to separate the connector from the thermo switch. once that's done,turn the ignition switch in th on position but don't start the car. Bike. '97 st1100. aug 12, 2021. #2. 1. verify the fan comes on if you ground the connector that attaches to the thermo switch. if it doesn't, check the ground wire connection on the radiator frame from the multi pin connector on the radiator. 2. verify the radiator level was full, at the rad cap, not the expansion tank.
Radiator Fan Symptoms Problems How To Test Radiator Fan Sontian First, i jacked it up and put it on jack stands. second, locate the fan thermo switch. mine is on the low right side (drives side) of the radiator, facing the engine. i then used a pair long nosed pliers to separate the connector from the thermo switch. once that's done,turn the ignition switch in th on position but don't start the car. Bike. '97 st1100. aug 12, 2021. #2. 1. verify the fan comes on if you ground the connector that attaches to the thermo switch. if it doesn't, check the ground wire connection on the radiator frame from the multi pin connector on the radiator. 2. verify the radiator level was full, at the rad cap, not the expansion tank.
Comments are closed.