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FJR Motorcycle Forums
Technical & Mechanical Problems
Is there a place you can pull the RPM's from, electronically? Gen 3?
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<blockquote data-quote="ionbeam" data-source="post: 1333824" data-attributes="member: 277"><p>Your suspicions are are totally confirmed <img src="https://www.fjrforum.com/forum//public/style_emoticons/default/smile.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /> The ECU sends RPM information to the meter assembly via serial communications, there is no simple way to pull out the information. The decoded RPM value is used to drive a stepper motor so there is no simple way to tap the signal there either. Mahaps you can tap the crank position sensor or the ignition timing sensor but 1) you'd be messing with critical sensor signals and 2) you would still need some way to get from pulses per minute to RPM or crank rotation to RPM.</p></blockquote><p></p>
[QUOTE="ionbeam, post: 1333824, member: 277"] Your suspicions are are totally confirmed [IMG]https://www.fjrforum.com/forum//public/style_emoticons/default/smile.png[/IMG] The ECU sends RPM information to the meter assembly via serial communications, there is no simple way to pull out the information. The decoded RPM value is used to drive a stepper motor so there is no simple way to tap the signal there either. Mahaps you can tap the crank position sensor or the ignition timing sensor but 1) you'd be messing with critical sensor signals and 2) you would still need some way to get from pulses per minute to RPM or crank rotation to RPM. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Is there a place you can pull the RPM's from, electronically? Gen 3?
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