04 CBR1000RR wont start : Honda CBR 1000RR Motorcycle Forums: 1000RR.net

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Old 12-27-2012, 03:59 AM   #1
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04 CBR1000RR wont start

Ok so ive read a lot of stuff on line and am quiet handy with the tools.

First off the problem is the fuel pump wont prime when the key is turned on, Ive checked and bypassed the tilt sensor and kill switch, also checked and swapped the relays.

I did manage to get it going for a brief ride by swapping keys???? and thought I had fixed the problem. but when I came to start the bike again a week later it wouldn't prime again.

I bought a new key reader as I thought it was strange that it worked when I swapped keys, but this did not change a thing.

Im nearly at the point now where I think it is the HISS or the ECU and maybe both!!

is there a way to bypass the HISS?

or do i need to fork out for a new ECU and keys?

Any help or ideas
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Old 12-27-2012, 06:35 AM   #2
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Have you had the lights out / speed?

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Old 12-27-2012, 10:00 AM   #3
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Hi,

Last time that my bike didn't start i revolved the problem by changing the stator (melted)....
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Old 12-27-2012, 10:18 AM   #4
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only way to bypass is to run a us spec harness with ecu. i have one of each used if it comes down if you end up needing them.

have you ran straight 12v power to the pump itself?
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Old 12-27-2012, 08:03 PM   #5
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Quote:
Originally Posted by hump333 View Post
Have you had the lights out / speed?
If your talking about the HISS light it works like normal, flashes with key off and goes out with key on.

Quote:
Originally Posted by lexus rx View Post
only way to bypass is to run a us spec harness with ecu. i have one of each used if it comes down if you end up needing them.

have you ran straight 12v power to the pump itself?
If you run 12v power straight to the pump will it still shut off? or will it constantly run? Might have to give this ago.
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Old 12-27-2012, 08:06 PM   #6
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does the HISS kill the fuel pump only? or does it kill the spark too?
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Old 12-28-2012, 05:51 AM   #7
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Tilt sensor? Cuts every off! she will turn over but not fire up! Have you had the bike in bits? Have you placed tilt sensor up side down. It's behind the lights

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Old 12-28-2012, 08:17 AM   #8
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Tilt sensor? Cuts every off! she will turn over but not fire up! Have you had the bike in bits? Have you placed tilt sensor up side down. It's behind the lights

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Its not the tilt sensor or kill switch, I dont run tilt sensor on any of my bikes.... They dont like the angles i put them on
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Old 12-28-2012, 08:28 AM   #9
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Bad ignition switch?
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Old 12-28-2012, 09:51 AM   #10
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the 12v power will only run the pump as long as you keep the wires connected. do not run the pump dry. it can damage it if you do.
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