| Author | Message | ||
     Wcbrracing |
one the way home form work, the "check engine" lamp came on for about 4 minutes, went off for about the same and then back on..no noticable oddities in the running of the motor, ran fine, no stumbles.. it is a Calif bike ...im guessing something to do with the emissions, O2 sensor or something along those lines...any help?? thanks Eric | ||
| Id073897 |
retrieve trouble codes Regards, Gunter | ||
| Ulyssesguy |
I know that the check engine light comes on when the fuse for the rear brake light burns out on my Uly.... | ||
| Darthane |
What Gunter said. Potentially an intermittent short that tripped a code, but only lights the MIL while it's actually shorted. The code will point you in the right direction. | ||
| Azxb9r |
Keep in mind that a trouble code points you at an affected circuit, not a particular component. Test before you buy parts, it could save you some money (and aggravation) in the long run. | ||
| Wcbrracing |
pardon my uninformed self....how do you check for the trouble codes.... need a scan tool or something or count the "blinks" like on some cars?? thanks, Eric | ||
| Iamarchangel |
Count the blinks, somebody correct me but I believe there will be six at first. That tells you there's a code coming. You'll get a group and then another group and that will give you the number (3 then 4 means code 34). Take that number to your service rep or post it here and somebody will look it up for you out of the goodness of their hearts. | ||
| Mr2shim |
EcmSpy ftw. No light counting. (Message edited by mr2shim on August 05, 2008) | ||
| Darthane |
You jump pins 1 and 2 of the diagnostic connector (4 pin Deutsch connector with a rubber plug in it - probably under the seat on a XB*S?), then turn on the ignition, and set the kill switch to Run. The check engine lamp will flash 6 times rapidly, then flash any codes in a 1 second on, 1 second off sequence per digit with a 2s pause in between digits. For example, if your ECM had code "16" stored, it would flash 6 times rapidly, pause for 2s, flash once, pause for 2s, flash 6 times, and then repeat the 6 rapid flashes to indicate the sequence is going to repeat. This procedure is described in the service manual - if you don't have one I strongly suggest you get one. If not, you can at least post the code here and someone else can tell you what it is reporting and likely causes. | ||
| Iamarchangel |
Just want to point out that Darthane's procedure is straight from the manual. It's the steps for people that don't have the diagnostics. (Only because I double-checked it myself) | ||
| Midknyte |
Do note though: Jumping the pins will give you your trouble codes, but there is no distinction between current fault codes and historical codes being held. I know, I know - 50 ignition cycles clears the old ones, but still, you'll not know if the codes you get are still valid (current) in this fashion. My engine light came on twice last month, both times about a mile before my low fuel light came on. Fracking odd! Went away after I stopped for a fill. So I jumpered my codes out of curiosity and got a handfull of weird sh!t codes (by rights the bike should have even been able to run per the codes). Mechanic checked and all of the codes were historical anyway. No current fault codes. Cleared them and the bike remains trouble free. Mechanic and I agreed that they probably were from just before I changed my battery. The ecm does not like a low battery... |
