Pigtail? Terminal? Purpose??? - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 6 (permalink) Old 09-16-2018, 04:19 PM Thread Starter
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Pigtail? Terminal? Purpose???

Please see the pictures. Anyone have any idea what this terminal goes to? It is the green one that is coming off of the ecu/computer harness.
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post #2 of 6 (permalink) Old 09-16-2018, 04:39 PM
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It's the diagnostics plug. Leave it be it's as it should be
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post #3 of 6 (permalink) Old 09-16-2018, 04:43 PM Thread Starter
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how does that work? is there a scan tool you can get to run diagnostics?
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post #4 of 6 (permalink) Old 09-16-2018, 04:52 PM
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You can "jump" it with a paperclip and it'll cause the light on the dash/speedo to flash a certain number of times in a particular sequence that will reveal what a stored "trouble code" (DTC) represents.

Check out the factory workshop manual for a full explanation of what each DTC means or they might have been posted already somewhere on the msg board if you run a search (?).

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post #5 of 6 (permalink) Old 09-17-2018, 04:26 PM
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As previously stated, that is the green service connector and if jumped and bike switched on, will give blink fault codes for various faults the ECU has detected.

Be aware though, that the ECU stores all fault conditions, regardless of age, unless cleared after the condition is corrected. This can lead one astray for new faults if not done.

The idea is to clear the faults once fixed, so any new faults will be current.

The whole service connector, fault code determination, fault clearance is in the service manual, which can be downloaded from here:

Honda RVT 1000 R SP2 Service manual - Download service / repair / owner / maintenance manuals, motorcycle tutorials, microfiche
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post #6 of 6 (permalink) Old 09-19-2018, 09:00 AM Thread Starter
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Thanks for link on the service manual! I had downloaded a different service manual from scribd - but this manual is more complete.
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