Diagnostic codes, FI light and stuff - Suzuki Volusia Forums : Intruder Volusia and Boulevard Forum

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Old 11-12-2010, 09:01 AM   #1 (permalink)
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Default Diagnostic codes, FI light and stuff

Recently my FI light has been coming on intermittently. This started happening right after I took the bike in for it's 25K service , up until that point I had been simply changing oil and tires for the last 13 K or so. Now, when riding, the FI light comes on intermittently. I'll be riding along and with no sense of anything happening, the light just comes on. I do not notice anything unusual in the sound or running of the engine. If I turn off the bike and restart, the light goes out. It may or may not come back (eventually, I'll see it again).

Here's my real questions: according to the shop manual, the ECM is supposed to store a history of codes. When I do the old paper-clip-in-the-socket red neck dealer mode switch, I'm getting a c00 code.
  • Do I need something that'll read the scan codes to see the history?
  • Is it significant that the FI light goes out on restart?
  • Do I have to rig up some kind of switch so I can do the dealer mode thing on-the-fly while riding?
  • Does anyone know if you can purchase a cable and associated software for a laptop to read the scan codes or is it some kind of proprietary protocol?
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Old 11-12-2010, 09:51 AM   #2 (permalink)
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"Do I need something that'll read the scan codes to see the history?"
Doubt it you will see history just the code that got tripped and stored.
The stealer has a tool that fits in a jack on the bike to call up the fault code in the speedo window.
You can also short out the plug w/ a paper clip to do it.
I understand from reading here there is a chance to damage doing it.

Do I have to rig up some kind of switch so I can do the dealer mode thing on-the-fly while riding?
I don't think there is a ready made on the fly fault reader.
You would prolly have to make one.

"Does anyone know if you can purchase a cable and associated software for a laptop to read the scan codes or is it some kind of proprietary protocol? "
The codes are in the the OEM service manual

"Is it significant that the FI light goes out on restart? "

Can't say. You could have an intermittent short in the FI wiring


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Last edited by Boxwrench; 11-12-2010 at 09:53 AM.
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Old 11-12-2010, 10:58 AM   #3 (permalink)
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Wasn't there some sort of electrical recall for intermittant FI light comming on? A heat related issue, or rerouting some wireing? If it's throwing C00, then it's telling you there is no fault and somthing else is illuminating the FI light. Mine was an '05 and I remember taking it in for a recall. I have the dealer switch for download. That's all it is is a spst switch that plugs into the harness. It uses a toggle switch to do the same thing you are doing with a paper clip. The code is displayed in the odometer window.

Quote:
This started happening right after I took the bike in for it's 25K service
...then that's where I'd start looking.
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Old 11-12-2010, 11:58 AM   #4 (permalink)
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472Viper,

IF the FI indicator comes on and there is a 'reason' for it, meaning a code gets stored, will the light stay on for ever and ever? At least until it is reset via some 'other' means. I guess I am asking that if the bike has an intermittent problem, do the codes appear and disappear with the issue?
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Old 11-12-2010, 03:02 PM   #5 (permalink)
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Quote:
Originally Posted by Chatman128 View Post
472Viper,

IF the FI indicator comes on and there is a 'reason' for it, meaning a code gets stored, will the light stay on for ever and ever? At least until it is reset via some 'other' means. I guess I am asking that if the bike has an intermittent problem, do the codes appear and disappear with the issue?
The fi lite will stay on until the code is downloaded (paper clip or factory switch). The fi lite will illuminate again if the anomaly that caused the code is not fixed, (it will just throw the same code again). So I'm thinking if you get repeated fi lights, and all it ever shows you is C00, it is not caused by a fault code, something else is causing the fi lite to illuminute. The fi light is used for two purposes, one, as we've discussed, is to inform you of a fault code stored in the odometer display, there are about 30 codes. The other purpose is to inform you of an acutal proplem with the fuel injection system. It will allow you to limp the bike to the nearest dealer for diognoses. But I de remember some odd anomaly that would trigger the fi light for no reason, it was heat or wire routing related. I beleive new bikes now have an actual aluminum heat shield under the tank to reflect heat. What year bike is this?
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Old 11-12-2010, 03:06 PM   #6 (permalink)
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I also think it sounds like a faulty light....

From DOC0
You can use a paper clip to jump the "dealer wires" located behind the painted plastic cover on the right side of the bike, directly below the seat. Find the white connector beneath this cover. With the bike off, use the paper clip to short out the white/red striped wire and the black/white striped wire. Don't start the bike, just turn the ignition to on as you are watching the readout on the speedometer.

If your bike is stock and all is fine is should read only "C00".

Here are the codes from the service manual.

c00 none
c12 crankshaft positions sensor, pickup coil signal, signal generator
c13 intake air pressure sensor #2, for front cylinder
c14 throttle position sensor
c15 engine coolant temp sensor
c17 intake air pressure sensor #1 for rear cylinder
c21 intake air temp sensor
c23 tip over sensor
c24 ignition signal, coil #1 for rear cylinder
c25 ignition signal, coil #2 for front cylinder
c28 secondary throttle valve actuator
c29 secondary throttle valve position sensor
c31 gear position signal switch
c32 injector signal #1 for rear cylinder
c33 injector signal #2 for front cylinder
c41 fuel pump control system, fuel pump, fuel pump relay
c42 ignition switch signal, anti theft
c44 heated oxygen sensor
c49 pair control solenoid valve
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Old 11-12-2010, 03:12 PM   #7 (permalink)
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My bad, I may be leading you down the wrong road. The recall I was thinking of was in regard to the "CHEC" engine light. Here is thread that contains the dealer instructions for the recall.

"CHEC Engine" light????????
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Old 11-12-2010, 04:45 PM   #8 (permalink)
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Quote:
Originally Posted by 472viper View Post
My bad, I may be leading you down the wrong road.
Never a problem. I rarely take the shortest path to my destination. I'm pretty certain this is a cosmetic problem, not a real failure. Or if it is an incipient faillure I think I'll wait for it to become 'mittent.'

Thanks all for the replies

Chatman off to ride home
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Old 11-12-2010, 06:55 PM   #9 (permalink)
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Working aircraft maintenance as long as I did, we often encountered anomalies we couldn't always explain right away. Sometimes we just chalked 'em up to queertrons running around blowing fuses. Don't give up though, something is triggering that fi light to come on, but I don't think its the ecu throwing a code.
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Old 11-13-2010, 07:14 AM   #10 (permalink)
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During this current riding year, both my red lights come on, my speedometer goes to zero, and my odo goes blank or all 8's. This happens for just a second or two and then everything returns to normal. My engine continues to run fine and all lights function properly.

Did you ever hear of an anomoly? Sometimes the best course of action is to do nothing. Guess what I've been doing since it doesn't seem to do any damage.......riding.

One of these days somebody might be able to figure out all these new electronic problems, but we just don't seem to be there yet!
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