Blair Hong Posted June 23, 2014 Report Share Posted June 23, 2014 My car is overheating and I believe that the fan isn't engaging. I've tested the relay and appears to be working fine. So I think the ECU isn't I/O for the fan isn't working anymore. Is there a way to test for the fault? I've got an old Link Plus. Cheers Quote Link to comment Share on other sites More sharing options...
Simon Posted June 23, 2014 Report Share Posted June 23, 2014 No test function on the old ones. One option is to lower the fan temp to below the current engine temp and see if the fan come on. Quote Link to comment Share on other sites More sharing options...
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