How to: delete HTEV servo with no FI light - Honda Motorcycles - FireBlades.org
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post #1 of 104 Old 02-01-2013, 2:59 AM Thread Starter
 
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Thumbs Up How to: delete HTEV servo with no FI light

So there are a lot of one paragraph how to articles on how to remove the servo motor from your CBR 929 or 954 without throwing a FI code
by making a "servo delete" out of the plug off the servo motor. I found these articles to be intimidating do to the lack of pictures.
So I've taken the time to fully research how the exhaust servo works and how to trick the ECM to think there is still a functioning servo.

I've stuck with what works and used the same components all the how to articles out there tell you to buy. I fully explain where and
why you need to hook each resistor and the capacitor so you can copy this how to for any honda CBR with an exhaust servo (your wires will be different colors)... I know this because cbr 1000rr servo motors etc work in 929/954s... much like most regulator/rectifiers work in all the big four japanesse sport bikes Suzuki GSXR 1000, 750, 600, Yamaha R1/R6, Kawasaki Ninja 14r, 12r, 10r, 6r, 636.

Here's the printable version with just the text (scroll down for the full step by step):

Parts you need:

- 470uF capacitor (any wattage)
- 220 ohm resistor (any wattage)
- 4.7k ohm resistor (any wattage)

Supplies and tools you need:
-Metric allen keys (to remove seat)
-8mm socket wrench (front bolts of tank)
-12mm socket wrench (back bolt of tank on 929)
-wire cutters
-any cheap soldering iron ($5 walmart)
-lead free solder wire (home improvement store)
-solder paste (home improvement store)
-Silicone caulk

Steps:
-Remove servo motor (raise the gas tank to access servo motor)
- cut off servo connector
- connect green/orange wire to negative terminal of capacitor
- connect one end of 220 ohm and 4.7k ohm to pos terminal of capacitor
- connect the other end of 220 ohm resistor to red wire
- connect the other end of 4.7k ohm resistor to turquoise/pink wire
- make sure wires aren't touching
- test the servo delete out by clearing the codes and reving bike up past 7K
- if it works remove the servo delete and seal it in silicone
- re-install servo delete on the plug
- re install tank

Last edited by MattCBR; 02-01-2013 at 3:49 AM.
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post #2 of 104 Old 02-01-2013, 3:00 AM Thread Starter
 
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Re: How to: delete HTEV servo with no FI light





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post #3 of 104 Old 02-01-2013, 3:03 AM Thread Starter
 
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Re: How to: delete HTEV servo with no FI light





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post #4 of 104 Old 02-01-2013, 3:06 AM Thread Starter
 
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Re: How to: delete HTEV servo with no FI light





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post #5 of 104 Old 02-01-2013, 3:10 AM Thread Starter
 
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Re: How to: delete HTEV servo with no FI light




How to clear a FI code on 929/ 954 and most honda motorcycles:
-Turn ignition OFF
-then bridge the terminals of the service check connector (as pictured).
-turn the ignition ON
-then disconnect the bridge wire from the service check connector.
-When the wire is removed the FI light should come on for approximately five seconds, during which time the bridging wire must be pluged back in.
-The warning light should start to flash when the bridging wire is reconnected, indicating that all the fault codes have been erased.
However, if the light flashes twenty times then the memory has not been erased and the procedure should be repeated.
-Turn off the ignition then remove the bridging wire.
-Check the operation of the warning light ( in some cases it may be necessary to repeat the erasing procedure more than once )


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post #6 of 104 Old 02-01-2013, 3:14 AM Thread Starter
 
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Re: How to: delete HTEV servo with no FI light




So that's how to solder

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post #7 of 104 Old 02-01-2013, 4:06 AM
 
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Re: How to: delete HTEV servo with no FI light

Excellent write up.

If the bike isn't braking properly, you don't start by rebuilding the engine.
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post #8 of 104 Old 02-02-2013, 2:19 AM Thread Starter
 
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Re: How to: delete HTEV servo with no FI light

For the 600rr and 1000rr servo removal same process as above except the wire are these colors:
-hook the negative of the capacitor to the GREEN wire
-hook the positive of the capacitor to the 220 ohm resistor and 4.7kohm resistor
-hook the other end of the 220 ohm resistor to the RED wire
-hook the other end of the 4.7k ohm resistor to the BROWN wire
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post #9 of 104 Old 02-16-2013, 3:44 AM Thread Starter
 
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Re: How to: delete HTEV servo with no FI light

Made a smaller version for myself since this demonstration version was kind of bulky.
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post #10 of 104 Old 03-14-2013, 11:45 AM
 
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Re: How to: delete HTEV servo with no FI light

Awesome article and great to see a write up like this. Can you please let us know where you bought all the parts? Is this something that radio shack carries or we would order it all online?
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post #11 of 104 Old 03-14-2013, 1:07 PM
 
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Re: How to: delete HTEV servo with no FI light

Quote:
Originally Posted by 929Brian View Post
Awesome article and great to see a write up like this. Can you please let us know where you bought all the parts? Is this something that radio shack carries or we would order it all online?
Radio shack would work, note the packages in his pics are from radio shack. If you had the time to wait for online shipping you could probably find the stuff online for less. But you would be saving like $2.

Kudo's to Matt this write up is excellent! Before I got to Fireblades I almost spent $60 on the ebay servo delete glad I didn't now.
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post #12 of 104 Old 03-24-2013, 8:26 PM
 
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Re: How to: delete HTEV servo with no FI light

Anyone else having problems with this working? I finally got around to doing the Servo delete tonight and I did this method with the exact same parts he got from Radio Shack.

I have been getting code 34 so I figured this would fix it but so far no luck. I even swapped out the resistors to see if maybe I installed a bad one and that didnt help.

I installed this, did the ECU Reset procedure, and after the reset I'm still getting this code.

I have a question, during the ECU Reset procedure, am I supposed to do something at the end of the reset while the red light is blinking? After the reset procedure, the red light keeps blinking 100+ times and never stops. Am I supposed to wait until after the red light stops blinking to confirm it went correctly? Or do I just turn the key off while its blinking? I just turned the key off while it was blinking but my code 34 was still there.
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post #13 of 104 Old 03-26-2013, 8:47 AM
 
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Re: How to: delete HTEV servo with no FI light

Can anyone help me why I'm still getting a CODE 34 ? Am I doing the ECU reset correctly? I tried 2 different resistors and I have the capacitor hooked up correctly (negative and positive). Maybe I got a bad capacitor?

Could CODE 34 be something else???
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post #14 of 104 Old 04-12-2013, 6:38 AM Thread Starter
 
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Re: How to: delete HTEV servo with no FI light

hmm worked for me... not sure what the 100+ blinking is about. I'd say you haven't successfully cleared the code. Or you're having a seperate problem or code.
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post #15 of 104 Old 05-06-2013, 8:34 AM
 
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Re: How to: delete HTEV servo with no FI light

sooooo ... still no easy resolution here im taking it? and what is supposed to be done with the 2 cables that go down to exhaust?
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