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Re: No Low Speed Cooling fan 37LH and 37RH Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Mon, 16 Mar 2020 10:30:09 In Reply to: No Low Speed Cooling fan 37LH and 37RH, Ronan from Woodbridge, Fri, 13 Mar 2020 14:56:42 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Well, luckily, I have had very few cases of cooling fan problems short of being a bad fan motor or relay so I don't know much more than you at this time.
It is a complex system with three different relays working together with different inputs from DICE which base its decision on both engine and A/C inputs and the two cooling fans connected in series to create the low and high speed scenario.
Since you have WIS, it is a pretty good write up under engine/cooling system/technical description what the fans are suppose to do at what point.
Tech 2 menu, as I recall, is also confusing since I think there are 5 different ways to run the fans but one or two of the options does not start the fans (on any 9-5) so make sure you figure that out as well.
Anders
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