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FJR Motorcycle Forums
Technical & Mechanical Problems
Dreaded SH__46 Error
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<blockquote data-quote="mcatrophy" data-source="post: 1089063" data-attributes="member: 3187"><p>If you saw the gear indicator switch between 5th and 4th without the box actually changing, it sounds very much like the gear indicator sensor or wiring. If the bike "thinks" you're in 4th but are really in 5th, it's certainly going to flag a clutch speed error.</p><p></p><p>A quick look at the wiring diagram shows it uses a potentiometer as the sensor, it connects to the MCU through three wires, blue, yellow and black/blue. My best guess is the blue supplies a constant voltage (could be 12 or 5), the black/blue is ground, and the yellow is the sensed voltage. The blue and black/blue feed other stuff, the yellow is only between sensor and MCU.</p><p></p><p>[edit] Just watched your video. Makes me more sure it's the position sensor, its wiring, or possibly calibration, though you say you've checked this. How is the sensor mounted? Could it be loose? Never looked at mine...</p><p></p><p>Oh, please, don't make a habit of videoing on the move like that, bad things could happen <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> . [/edit]</p></blockquote><p></p>
[QUOTE="mcatrophy, post: 1089063, member: 3187"] If you saw the gear indicator switch between 5th and 4th without the box actually changing, it sounds very much like the gear indicator sensor or wiring. If the bike "thinks" you're in 4th but are really in 5th, it's certainly going to flag a clutch speed error. A quick look at the wiring diagram shows it uses a potentiometer as the sensor, it connects to the MCU through three wires, blue, yellow and black/blue. My best guess is the blue supplies a constant voltage (could be 12 or 5), the black/blue is ground, and the yellow is the sensed voltage. The blue and black/blue feed other stuff, the yellow is only between sensor and MCU. [edit] Just watched your video. Makes me more sure it's the position sensor, its wiring, or possibly calibration, though you say you've checked this. How is the sensor mounted? Could it be loose? Never looked at mine... Oh, please, don't make a habit of videoing on the move like that, bad things could happen ;) . [/edit] [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Dreaded SH__46 Error
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