what could be wrong when the radiator fan won't turn off?
Radiator fan keeps on running even when the car is turned off. Won't stop
unless detached from the battery.
Possible stuck fan relay, try tapping on it when the fan is still running and if it stops then you have your culprit, if it doesn't stop then remove the relay and check to see if the fan relay is still getting the signal to run the fan. Some Hondas the fan will run when the engine is shut off but it should shut down after around 3 minutes. HTH
Thanks , I had checked the relays in accordance with the service manual procedure , had to replace the radiator fan relay even replace fuse & relay box under the hood, I figured, it could be the ECT sensor and had it replaced BUT to no avail.
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