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FJR Motorcycle Forums
Technical & Mechanical Problems
Radiator Cooling Fan Not Activating at Temp
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<blockquote data-quote="QuadX" data-source="post: 1118741" data-attributes="member: 86460"><p>Yesterday I was working on syncing the throttle bodies on my 2005 FJR. Syncing requires a lot of starting and stoping of the engine and a lot of idle run time. For first few runs the radiator fan would kick in at 4 bars, but later in the process the fan no longer would kick in. As soon as the temp got to 6 bars I would turn off the engine and let it cool.</p><p></p><p>Today I did a diag check of the radiator fan. I would hear a click as the engine light would turn on and off to actuate the fan, but he fan would not turn on. I checked the fuse and it is fine. I assume it is not the thermostat sensor, because if it was then the DIAG would still be able to trigger then fan.</p><p></p><p>So, my guess is either the Relay or the Fan. (let me know if I'm missing something)</p><p></p><p>What is the best/easiest way to test the fan motor?</p><p></p><p>How hard is it to test the relay?</p><p></p><p>Any other advice is always welcomed!</p></blockquote><p></p>
[QUOTE="QuadX, post: 1118741, member: 86460"] Yesterday I was working on syncing the throttle bodies on my 2005 FJR. Syncing requires a lot of starting and stoping of the engine and a lot of idle run time. For first few runs the radiator fan would kick in at 4 bars, but later in the process the fan no longer would kick in. As soon as the temp got to 6 bars I would turn off the engine and let it cool. Today I did a diag check of the radiator fan. I would hear a click as the engine light would turn on and off to actuate the fan, but he fan would not turn on. I checked the fuse and it is fine. I assume it is not the thermostat sensor, because if it was then the DIAG would still be able to trigger then fan. So, my guess is either the Relay or the Fan. (let me know if I'm missing something) What is the best/easiest way to test the fan motor? How hard is it to test the relay? Any other advice is always welcomed! [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Radiator Cooling Fan Not Activating at Temp
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