fuel pump wont prime - 600RR.net
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post #1 of 26 (permalink) Old 10-12-2010, 07:38 PM Thread Starter
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fuel pump wont prime

bas is ok. relay is clicking, swaped out the kill switch and still no power to the fuel pump power plugs. im not sure which of the two plugs is power so i tested them both. i guess i need info on testing other sensors. also if a sensor was bad wouldnt it throw a code? while checking all these things I left power on the bike and after about 5 min the relay started to get warm to the touch. is this normal.

Last edited by pocar; 10-12-2010 at 07:41 PM.
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post #2 of 26 (permalink) Old 10-12-2010, 09:15 PM
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The green(-) and brown(+) wire plug is the pump. There are a few things to do:

Check main fuse 30A
sub fuse (bank angle 10A)
sub fuse (FI 20A)
fuel pump relay
engine stop relay
bank angle sensor
ECM

These are from the manual for no voltage, you have checked some of these already. When you checked the plug for the pump, did you check as soon as you turned it on? It should only have power for a few seconds.
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post #3 of 26 (permalink) Old 10-12-2010, 09:40 PM
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I'm not positive how the RR's are but on my F4i the headlight harness is notorious for getting corrosion on it and then the pump doesn't prime so you might want to check your headlight harness for good a good connection and corrosion.


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post #4 of 26 (permalink) Old 10-12-2010, 11:32 PM
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Headlights should do nothing to the pump, the only thing they share is the Green ground as does most the bike.
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post #5 of 26 (permalink) Old 10-12-2010, 11:54 PM
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Not the headlights themselves but the headlight harness which should have a lot off different wires running threw it. The ground wire is one of those and if the ground doesn't have a good connection then the pump won't prime. Also i believe the bas wire goes threw that harness. I know it does on the F4i


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Last edited by R Dub; 10-12-2010 at 11:57 PM.
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post #6 of 26 (permalink) Old 10-13-2010, 12:03 AM
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Got it, the wiring diagram shows the ground near the rear, so maybe they changed it. I don't know exactly where it is on the bike, I know there are some grounds on the left side of the frame.
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post #7 of 26 (permalink) Old 10-13-2010, 04:07 PM Thread Starter
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Quote:
Originally Posted by sdca7718 View Post
The green(-) and brown(+) wire plug is the pump. There are a few things to do:

Check main fuse 30A
sub fuse (bank angle 10A)
sub fuse (FI 20A)
fuel pump relay
engine stop relay
bank angle sensor
ECM

These are from the manual for no voltage, you have checked some of these already. When you checked the plug for the pump, did you check as soon as you turned it on? It should only have power for a few seconds.
if the fuel relay is clicking then does that mean that the sensors are all good. Ill have to recheck the fuel pump plugs for the first few seconds of power. also is it normal for the relay to get warm.
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post #8 of 26 (permalink) Old 10-13-2010, 09:20 PM Thread Starter
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i retested the plug for power at the first few seconds of turning on the bike and still nothing.
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post #9 of 26 (permalink) Old 10-13-2010, 10:45 PM
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Did you check all the fuses on the list? Also try to swap the relays from the fan motor and headlight relay into the engine stop and fuel pump relay spots.
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post #10 of 26 (permalink) Old 10-14-2010, 06:25 AM Thread Starter
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all fuses are good. which relay is the stop motor relay. the top of the fuse box is missing so i dont know whats what.
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post #11 of 26 (permalink) Old 10-14-2010, 06:34 AM
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before all of this started, what kind of maintenance, modifications or upgrades did you do to the bike prior to?






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I wanna learn from the master king dingaling
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post #12 of 26 (permalink) Old 10-14-2010, 03:52 PM Thread Starter
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it was a salvage bike that i bought, it had front end damage. it has full exahust and power commander. can anyone can tell me what relays and fuses are what in the fuse box. i downloaded a manual and it shows the relays all 4 in a row and in the bike they are 2 rows of 2 and the fuse are the same way. i have one relay that clicks when i turn on the bike but no sure if ifs fuel relay or bike stop. if its bike stop then when it closes does it shut off power to the pump, or when it closes does it send power to the pump.
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post #13 of 26 (permalink) Old 10-14-2010, 04:12 PM
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i cant really offer any help, but if you end up needing a fuel pump i've got one for sale, see my sig.

good luck getting it fixed, and if you need the pump pm me and we can work something out
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post #14 of 26 (permalink) Old 10-14-2010, 04:44 PM
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I had this problem once. All I did was reseat the pump relay and it worked fine after that. Has not happened again.
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post #15 of 26 (permalink) Old 10-14-2010, 05:10 PM
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Quote:
Originally Posted by pocar View Post
it was a salvage bike that i bought, it had front end damage. it has full exahust and power commander. can anyone can tell me what relays and fuses are what in the fuse box. i downloaded a manual and it shows the relays all 4 in a row and in the bike they are 2 rows of 2 and the fuse are the same way. i have one relay that clicks when i turn on the bike but no sure if ifs fuel relay or bike stop. if its bike stop then when it closes does it shut off power to the pump, or when it closes does it send power to the pump.
You have checked the BAS, correct?
post #16 of 26 (permalink) Old 10-14-2010, 06:03 PM Thread Starter
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bas is good. i have rechecked and rechecked and its good. i have found that i have no power to the fuel pump relay. the relay is good i swaped it over to the bike stop relay and it clicks, the is no power to the relay. the only sensor i have checked so far is the kickstand switch and its good, so is the kill switch. ive been reading the manual for about 30 min and i guess next i have to check some more sensors.
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post #17 of 26 (permalink) Old 10-16-2010, 01:23 AM
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Did you check the main fuse 30A? It is not in the fuse box, it is next to the battery.
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post #18 of 26 (permalink) Old 10-16-2010, 01:31 AM
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How did you check that the BAS is functioning?
post #19 of 26 (permalink) Old 10-16-2010, 01:42 AM
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post #20 of 26 (permalink) Old 10-18-2010, 07:37 PM
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When I replaced my fairings recently, I accidentally installed the BAS/ Roll over sensor upside down.

Took a while to figure out that was the problem but all sweet after I turned it over again!
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post #21 of 26 (permalink) Old 10-24-2010, 06:57 PM Thread Starter
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how i checked the bas is when i turn on the bike the stop bike relay clicks closing and completeing the circuit sending power. when i take the relay and turn it upside down it clicks opening the circuit cutting power. I have narrowed it down to a broken wire i hope by following troubleshoting guide from the manual.

If you remove the bike stop relay there is four connections. two vertical and two horizontal. the should be power on one or the vertical and one horizontal. well I only have power on one vertical. if i use a jumper wire to one horizontal the is normaly not powered the fuel pump relay gets power and it all good. But if I crank over the bike when i stop the engine check and hesd lights on the dash flash and there is a clicking of the fuel relay. it only clicks and flashes a few times and then stops.

also the hesd light comes on after about five minutes or so after i turn on the ignition.there are no forks on the bike if that has anything to do with it.

when taking the fuse box and looking at the bottom the fi fuse has no wire going to it. there is not wire hanging loose or anyting. and main fuse is ok too.


sorry its so long but thanks for all the help, and keep it coming.
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post #22 of 26 (permalink) Old 10-25-2010, 04:19 AM
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No wire to the FI fuse? That would be a problem...
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post #23 of 26 (permalink) Old 10-25-2010, 05:06 PM Thread Starter
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No wire to the FI fuse? That would be a problem...

lol I think you could be right
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post #24 of 26 (permalink) Old 10-25-2010, 05:31 PM Thread Starter
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when eveything is powered up like its supposed to be the FI fuse has power so nevermind that but there is a single white plug next to the fuse box that is hot all the time, what is it for. heres a pic
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post #25 of 26 (permalink) Old 10-25-2010, 05:32 PM Thread Starter
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oops here it is
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post #26 of 26 (permalink) Old 10-26-2010, 01:17 AM
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Pretty sure that's not related...

If you have no power to the Fuel Stop relay it should be a simple task just to trace that wire back through the Engine Stop to the battery,
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