F1 code fuel injector problem.
Eh? Did you post different video? I went through entire video and no mention of p/b line to injector#4 anywhere. Did say it was broken wire to fuel-pump relay. Which would explain why pump wasn’t running. Then fixing broken pump relay wire allowed ECU to control pump as designed.
Guess I'll be running those test you sent when I get a chance
I did one test on pin 22 the manual said and was getting little over 8 volts. It said anything under 7 wasn't good so gotta see what's next
So right now everything has been good until the small r/w wire at relay I'm getting OL on meter and should be 0. At the green on BAS I'm getting 40.1 resistance and G with r/w on BAS also getting 40.1 resistance and should get zero
Also at pink wire from ignition and ECU it was showing 10.7 volts instead of 9
Ok, here's your main problem with why ECU's not priming pump... it think's bike is crashed and laying flat on ground...
1. Follow grn wire from BAS socket to where it connects to harness, then follow grn to where it's clamped to earth point on frame. Disconnect and sand that connector and frame so there's no corrosion. Retest resistance of grn wire at BAS socket to earth. Should be 0-ohms.
2. test resistance at BAS itself between red/wht and grn terminals in upright position. If not 0-ohms/full-continuity, shake it around and test again. If still not 0-ohms, BAS is dead and needs to be replaced.
3. Do you have BAS in place when testing resistance of red/wht at stop-relay socket to earth? If not, plug it in and test. On some bikes BAS arrow faces up. On others, it faces down. Which way is yours pointing?
4. test resistance end-to-end of red/wht wire from BAS socket to engine-stop relay. ohms = ???
2. test resistance at BAS itself between red/wht and grn terminals in upright position. If not 0-ohms/full-continuity, shake it around and test again. If still not 0-ohms, BAS is dead and needs to be replaced.
3. Do you have BAS in place when testing resistance of red/wht at stop-relay socket to earth? If not, plug it in and test. On some bikes BAS arrow faces up. On others, it faces down. Which way is yours pointing?
4. test resistance end-to-end of red/wht wire from BAS socket to engine-stop relay. ohms = ???
Last edited by dannoxyz; May 13, 2024 at 07:24 PM.
You skipped step?
0. measure battery voltage with everything off, volts = ???
Slide phone or mirror under ignition-switch and get photo.
Someone really messed up this replacement harness. Sure your previous one isn't better?
Last edited by dannoxyz; May 13, 2024 at 07:35 PM.
Ok, here's your main problem with why ECU's not priming pump...
1. Follow grn wire from BAS socket to where it connects to harness, then follow grn to where it's clamped to earth point on frame. Disconnect and sand that connector and frame so there's no corrosion. Retest resistance at grn wire at BAS socket to earth. Should be 0-ohms.
2. Do you have BAS in place when testing resistance of red/wht wire to earth? If not, plug it in and test. On some bikes BAS arrow faces up. On others, it faces down. Which way is yours pointing?
3. test resistance at BAS itself between red/wht and grn terminals in upright position. If not 0-ohms/full-continuity, shake it around and test again. If still not 0-ohms, BAS is dead and needs to be replaced.
4. test resistance end-to-end of red/wht wire from BAS socket to engine-stop relay. ohms = ???
1. Follow grn wire from BAS socket to where it connects to harness, then follow grn to where it's clamped to earth point on frame. Disconnect and sand that connector and frame so there's no corrosion. Retest resistance at grn wire at BAS socket to earth. Should be 0-ohms.
2. Do you have BAS in place when testing resistance of red/wht wire to earth? If not, plug it in and test. On some bikes BAS arrow faces up. On others, it faces down. Which way is yours pointing?
3. test resistance at BAS itself between red/wht and grn terminals in upright position. If not 0-ohms/full-continuity, shake it around and test again. If still not 0-ohms, BAS is dead and needs to be replaced.
4. test resistance end-to-end of red/wht wire from BAS socket to engine-stop relay. ohms = ???
Thanks
Hey, thanks for getting back with me. I feel I'm getting so close. Continuity between red/white from BAS to engine stop relay is good. Yes, BAS is in the upright position with arrow pointing up. It's also connected to harness when doing the test. I just tested with step 3 unplugged BAS and checked and getting no continuity or resistance between red/w and g
Thanks
Thanks

That's testing on BAS itself, not harness right? No connection between those terminals means BAS is dead. Seems we're making negative progress as BAS was working earlier:
1. measure resistance of grn wire terminal at BAS socket to other end chassis-ground grn wire that bolts to frame. ohms = ???
Last edited by dannoxyz; May 13, 2024 at 07:45 PM.
Yes, on BAS itself unplugged. Yes, it will trip the kill switch if plugged in and turn upside down but I guess it's possible something internal that's messed up on it cause I tested it 4 different times to make sure when I unplugged it.


