Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Honda Cooling Fan not coming on. › Reply To: Honda Cooling Fan not coming on. June 15, 2020 at 10:07 pm #957519 Richard KirshyParticipant I may be mistaken but isn’t the primary fan triggered by the coolant temp sensor. Might look there. May also want to check the fan relays if so equipped.