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FJR Motorcycle Forums
Technical & Mechanical Problems
New cruise control get flaky with time/miles
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<blockquote data-quote="Kevin Daly" data-source="post: 251089" data-attributes="member: 5155"><p>Ok this is my two cents worth. Mind you, I have no idea what i am talking about but...</p><p></p><p>the source of your problem is only 1 of two possibilities that relate to heat. Either the alternator is changing output as it heats up and this is affecting the AVCC, OR the more likely scenario is that the AVCC is heating up. When I was young and dumb I used to overclock computers. One method to be sure that heat was the reason why the computer locked up on boot was to put the CPU into the freezer and freeze it then slap it back into the computer and fire it up. if heat was the problem then this would allow you to get further through the boot, maybe get a start up screen.</p><p></p><p>The moral of the story is that heat will casue electronic parts to do all sorts of bad things. the sudden cut out could be the system failing all together OR it could be a heat induced short in a ROM or other silicon chip. I would try to get as much of the electronics away from heat as possible, shield it or at least get a thermal couple and measure the temp of the componenents as they function then start to fail.</p><p></p><p>If the AVCC was not designed to be sitting on top of what is notoriously the hottest bike on the road... ok that was a pun. Seriously, you guys have controlled for every other variable. Vacume is a dead horse at this point. You also established that the servo pulls strongly. for the ACVV to resume normal function it appears to require the bike cools down. It has to be heat and heat induced electronics failure.</p><p></p><p>-best of luck</p></blockquote><p></p>
[QUOTE="Kevin Daly, post: 251089, member: 5155"] Ok this is my two cents worth. Mind you, I have no idea what i am talking about but... the source of your problem is only 1 of two possibilities that relate to heat. Either the alternator is changing output as it heats up and this is affecting the AVCC, OR the more likely scenario is that the AVCC is heating up. When I was young and dumb I used to overclock computers. One method to be sure that heat was the reason why the computer locked up on boot was to put the CPU into the freezer and freeze it then slap it back into the computer and fire it up. if heat was the problem then this would allow you to get further through the boot, maybe get a start up screen. The moral of the story is that heat will casue electronic parts to do all sorts of bad things. the sudden cut out could be the system failing all together OR it could be a heat induced short in a ROM or other silicon chip. I would try to get as much of the electronics away from heat as possible, shield it or at least get a thermal couple and measure the temp of the componenents as they function then start to fail. If the AVCC was not designed to be sitting on top of what is notoriously the hottest bike on the road... ok that was a pun. Seriously, you guys have controlled for every other variable. Vacume is a dead horse at this point. You also established that the servo pulls strongly. for the ACVV to resume normal function it appears to require the bike cools down. It has to be heat and heat induced electronics failure. -best of luck [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
New cruise control get flaky with time/miles
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