Floyd Sarver Posted July 13, 2013 Share Posted July 13, 2013 1990 Honda Accord, the fan will cut on while car is setting and not running,even sometimes during middle of night, ???? any suggestions??? Link to comment Share on other sites More sharing options...
James Matteu Posted July 13, 2013 Share Posted July 13, 2013 When the fan is running when it is not supposed to be, disconnect the fan switches and temp sensors one at a time. I can't remember if there is a high temp safety on feature in your fan control module. I know my car has this but it's tied to an oil temp switch that you do not have. If you find disconnecting a particular fan switch or sensor stops the fans, then focus your investigation there. Could be anything from bad switch or sensor to a bad connection or short. If disconnecting all of them does nothing, then look for a short or open to the control module. Then try swaping control modules. Link to comment Share on other sites More sharing options...
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