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FJR Motorcycle Forums
Technical & Mechanical Problems
2016 FJR1300A Check Engine Light On
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<blockquote data-quote="BakerBoy" data-source="post: 1316972" data-attributes="member: 87581"><p>Yes, I'll venture a guess that it is likely firmware (ie software within the ECU). It is common that the last 'rung' in the logic gets all the faults assigned to it of none of the previous 'rungs' are truly the cause. I'd expect the sidestand switch monitor is the last 'rung' in that CEL logic. It could be fixed perhaps by decreasing speed that the ECU scans the sensors it uses to enact the CEL, or perhaps by adding additional logic, or perhaps other ways.</p><p>But whether the eventual firmware fix can be reflashed within the existing ECU ... I dunno that. I bet some Yamaha engineer already knows though. <img src="https://www.fjrforum.com/forum//public/style_emoticons/default/smile.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="BakerBoy, post: 1316972, member: 87581"] Yes, I'll venture a guess that it is likely firmware (ie software within the ECU). It is common that the last 'rung' in the logic gets all the faults assigned to it of none of the previous 'rungs' are truly the cause. I'd expect the sidestand switch monitor is the last 'rung' in that CEL logic. It could be fixed perhaps by decreasing speed that the ECU scans the sensors it uses to enact the CEL, or perhaps by adding additional logic, or perhaps other ways. But whether the eventual firmware fix can be reflashed within the existing ECU ... I dunno that. I bet some Yamaha engineer already knows though. [IMG]https://www.fjrforum.com/forum//public/style_emoticons/default/smile.png[/IMG] [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
2016 FJR1300A Check Engine Light On
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