otidum Posted May 22 Share Posted May 22 Hi!! My VFR it's a us version, there's no HISS on the tachometer , I just changed the spark plugs, then my bike won't start , I checked all negative (ground)point, the Fuel pump works the first 2 second, when I started up just crank it up, I tried to put some gas on the injectors zone then the motorcycle star it up, for a moment, so, I think there's not injection of gas, I changed the ECU and nothing , I read that there's a pink cable on the ECU , on the white connector, I checked there's only 4.5 volts, that's correct? Someone can help out? Quote Link to comment Share on other sites More sharing options...
Member Contributer Grum Posted May 22 Member Contributer Share Posted May 22 1. What plugs did you use? Brand and part number. 2. Does the Fi Light go out as you hear the Fuel Pump stop after switch on prime, or does the Fi Light remain On? 3. Do you have any Fi flashing codes? 4. Bike in Neutral raise the Side Stand try a start. Does this make any difference to starting? 5. If the bike was running before changing the plugs, suggest refitting the original ECM. 6. Check your Ignition Switch wiring if you suspect you have the Pink security wire, see attached. If you do you must measure 9v on this wire. Quote Link to comment Share on other sites More sharing options...
otidum Posted May 22 Author Share Posted May 22 Hi!! Thanks for help me out, 1 - the plug are grey and black with 33 pin each one , 38770-MCW- K01, 8561-103073 KEIHIN 2- the Fi light remaining on never go out 3- only 23 and 24 4- the same 5- I'll to take it out, and only see 4 VID_20240522_172635.mp4 VID_20240522_172635.mp4 wire Quote Link to comment Share on other sites More sharing options...
otidum Posted May 22 Author Share Posted May 22 Quote Link to comment Share on other sites More sharing options...
Member Contributer Grum Posted May 22 Member Contributer Share Posted May 22 1. What Spark Plugs, not ECM plugs? 2. Do you have the Sidestand Down? ECM will not flash a code unless Sidestand is Down. 5. Do you have the original ECM fitted? Codes 23 and 24 are for the Oxygen Sensors Quote Link to comment Share on other sites More sharing options...
otidum Posted May 22 Author Share Posted May 22 1- I don't understand, not ECM plugs? 2- no, I have sidestand up, 5 , yes , it's original, well that's the motorcycle bring with it, Quote Link to comment Share on other sites More sharing options...
Member Contributer Grum Posted May 22 Member Contributer Share Posted May 22 1. For the third time! You fitted new Spark Plugs, what are they, NGK? What part number are the Spark Plugs fitted? 2. Lower the Sidestand, what codes if any do you read? Are you still getting only 23 and 24? Was the bike running Before you changed the Spark Plugs?? Do you have the Service Manual? You can download it from this forum. Quote Link to comment Share on other sites More sharing options...
otidum Posted May 22 Author Share Posted May 22 VID_20240522_183533.mp4 Quote Link to comment Share on other sites More sharing options...
otidum Posted May 22 Author Share Posted May 22 I don't have the service manual, do you have a Link? I got a new NGK sparkplugs, if you see the video the motorcycle try to start it up with a little bit of gas Quote Link to comment Share on other sites More sharing options...
Member Contributer Grum Posted May 22 Member Contributer Share Posted May 22 Quote Link to comment Share on other sites More sharing options...
otidum Posted May 23 Author Share Posted May 23 thanks!!! for the service manual, Quote Link to comment Share on other sites More sharing options...
otidum Posted May 23 Author Share Posted May 23 Really I don't know what to do else, I checked every point, I think probably can be the ignition switch, because don't turn it up the Fi light, Quote Link to comment Share on other sites More sharing options...
Member Contributer Presson Posted May 23 Member Contributer Share Posted May 23 Please answer this question first: was the bike working correctly before you changed the spark plugs? If it was working correctly, please check all the electrical connectors are secure. Remount the airbox. Put the sidestand down and try starting. If that does not solve the issue, please go back to Grum's first post (the first reply) and answer the questions exactly. Make sure the sidestand is down. Quote Link to comment Share on other sites More sharing options...
otidum Posted May 23 Author Share Posted May 23 I answered the question from grum, the spark plugs are New, are NGK Quote Link to comment Share on other sites More sharing options...
otidum Posted May 23 Author Share Posted May 23 Someone knows what it's the 3 pin? Quote Link to comment Share on other sites More sharing options...
otidum Posted May 23 Author Share Posted May 23 Or this little block of 3 pin, Quote Link to comment Share on other sites More sharing options...
Member Contributer Grum Posted May 23 Member Contributer Share Posted May 23 40 minutes ago, otidum said: Someone knows what it's the 3 pin? Clutch and Neutral Diode. Quote Link to comment Share on other sites More sharing options...
Member Contributer Grum Posted May 23 Member Contributer Share Posted May 23 42 minutes ago, otidum said: Or this little block of 3 pin, Possibly Turn Relay, what color wires go to it? Quote Link to comment Share on other sites More sharing options...
Member Contributer Presson Posted May 23 Member Contributer Share Posted May 23 It is very difficult to help you. Need to answer the questions you are asked. Jumping around onto the next thing you thought of is not a way to solve your problems. So over to you. Cheers 2 Quote Link to comment Share on other sites More sharing options...
otidum Posted May 27 Author Share Posted May 27 Thank for your help, I was working, I got a question, how the bike put down 12 v to 9 v to de the Pink wire into the ECM? The bike t Quote Link to comment Share on other sites More sharing options...
otidum Posted May 27 Author Share Posted May 27 The Pink wire on the ECM got only 4.5v, Quote Link to comment Share on other sites More sharing options...
Member Contributer Grum Posted May 27 Member Contributer Share Posted May 27 4 hours ago, otidum said: The Pink wire on the ECM got only 4.5v, BUT.....Does that Pink Wire at the ECM go to the Ignition Switch? Or to some other device? YOU NEED TO CONFIRM THIS. Do you have the Pink wire at the Ignition Switch AND the small Zener Diode As per the picture I posted for you? Quote Link to comment Share on other sites More sharing options...
otidum Posted May 27 Author Share Posted May 27 I got this, Quote Link to comment Share on other sites More sharing options...
otidum Posted May 27 Author Share Posted May 27 In the Pink wire I got 4.5v , and I don't see the Pink wire get to ignition switch, Quote Link to comment Share on other sites More sharing options...
otidum Posted May 27 Author Share Posted May 27 I don't see it, Quote Link to comment Share on other sites More sharing options...
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