help! fi light is on? pls - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 12 (permalink) Old 06-26-2009, 03:38 AM Thread Starter
 
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help! fi light is on? pls

hi well to make the story short when i start my bike theres no fi light but about a mile or two fi like will turn on and when i try to blip the throttle fast its like bugging so i jst wanna kno where is the connector that i can put a clip to check the light?? and any one have the list off codes for rc51 thanks alot
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post #2 of 12 (permalink) Old 06-26-2009, 09:49 AM
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It's the green two-pole connector near the ECU.
With the ignition switch off, jumper the contacts, then turn the switch on.
It will start blinking.
If the code is in single digits, count the number of short blinks.
If the code is a two digit one, it will have a long blink, then a series of short blinks.
If there are more than one error, there will be slight pause between number sequences.
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post #3 of 12 (permalink) Old 06-26-2009, 02:06 PM Thread Starter
 
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Thank you very much I will try this later and will post what the code is
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post #4 of 12 (permalink) Old 06-26-2009, 09:25 PM Thread Starter
 
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I got a code 8 and 11??? Anybody know what this is? Ty
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post #5 of 12 (permalink) Old 06-26-2009, 09:58 PM
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Code 8 is bad throttle position sensor, or connector, or related wiring problem.
Code 11 is bade speed sensor, connector, or related wiring problem.

Now remember that the ECU stores all detected fault codes, unless cleared.
For instance, if you had a throttle position sensor problem a long time ago, and it was fixed, the ECU still has that code logged in addition to the new fault code.
You may have multiple faults, but the only way to be sure is to clear the faults and let it discover them anew.

To clear the faults codes:
1. With the ignition key off, connect a jumper across the green service connector.
2. Turn the ignition key on (as you would to view fault codes).
3. Remove the service connector jumper.
4. The FI indicator will light solid for 5 seconds. During this 5 seconds, reconnect the service connector jumper.
5. The FI light will go off and then start blinking. All fault codes were erased.
6. If the FI light blinks 20 times, the fault codes were not erased. So repeat the previous steps.

Now any fault codes detected will be current.
However, from your initial problem description above, it does sound like a TP sensor related problem.
The bad TP sensor description says the engine behaves poorly when operating the throttle quickly.
Instead of using a known TP sensor position, it used a default 0 deg. position.

Last edited by SubSailor; 06-26-2009 at 10:03 PM.
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post #6 of 12 (permalink) Old 06-27-2009, 10:08 AM Thread Starter
 
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Thank you man I really appreciate ur help I will erase it later and ride in n see wat happens I'll poast the result in a couple of days ty again
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post #7 of 12 (permalink) Old 06-29-2009, 01:22 AM Thread Starter
 
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Reset the code and rode my bike for an hour no fi light soo far and the bike runs good will keep u guys posted thanks again bro
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post #8 of 12 (permalink) Old 08-16-2010, 02:19 PM
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Does disconnecting the battery clear the fault codes?

ARSEY51
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post #9 of 12 (permalink) Old 08-16-2010, 02:31 PM
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Quote:
Originally Posted by ARSEY51 View Post
Does disconnecting the battery clear the fault codes?
No it doesn't. You have use the procedure to clear the stored fault codes.
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post #10 of 12 (permalink) Old 09-09-2010, 05:24 PM
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i have this same prob, i checked the manual and closest thing i can come up with is the tp sensor without having to check the codes. havent had time yet. how ever the fi light goes off in the midlle of riding and the bike runs fine. its when the light is on and out of gear, and high rpms when the throttle bogs and breaks up. . will post if i fix the prob. hopefully something simple
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