Re: Volvo XC90 2004 - Cooling fan not working, code 6100 cooler fan control idle # Archived Message
Posted by Sean Connelly on August 31, 2010, 9:41 am, in reply to "Volvo XC90 2004 - Cooling fan not working, code 6100 cooler fan control idle #"
Hi Roger, What tool did you use to read the ECM DTCs? There are four different fault types for the ECM-6100 DTC you mention that may help if you knew which one it was. If you have access to an MTPro then you should be able to test the fan using activations. The signal wire from the ECM is on pin A8 and its a 100Hz PWM signal between 0v and VBat. I assume you have full battery volts on pin 1 & 2 of the four pin Fan Control connector....have you load tested it? Vadis seems to suggest if its not a faulty supply, signal line or bad connection then its likely to be the Fan Control module. HTH Sean
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Link: http://www.maccmot.com
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