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Phantom service light

bobbymoto71

bobbymoto71

Tuned and Synch'ed
GT Contributor
Joined
Sep 19, 2011
Messages
52
Location
Modesto, CA
A few months ago my service warning and red triangle started to appear. So I have been keeping track of all the hows and whys. There really is no pattern. I believe that it may be the cluster itself. But here is all the other routine stuff I have tried. It will not clear by resetting the service or error codes. It has no codes. Even had them scan it at the dealer with light on and no codes. It does not come on while I'm riding. But it is sometimes on when I first turn on the bike. Not always, sometimes, and it doesn't matter if the bike is cold or been running. It goes away sometimes if I cycle the key a couple of times (but not always) or if I ride it for about a mile and then cycle the key. The reason why I think it may be the cluster itself is because it all started one day after I washed the bike. Initially I couldn't get it to clear, like I can now. I also noticed a little condensation inside the cluster screen yesterday when it was cold and damp outside. Any thoughts or experience with this?
 
Most likely a loose connection on the oil pressure switch. Bit of a bugger to get to and the switch itself may be faulty, as reported by others. The switch is on the L/H side of the motor but up high - need to remove the tank and possibly the airbox to get to it.

Mine does this from time to time and I get rid of it the same way you do.
 
I suggest removing the LH header pipe, and coming in from the side. You will still need to remove the tank to loosen off the breather hose, but the dreaded airbox can stay intact.

You will also need to remove the crank positioning sensor (careful not to lose any shims under it) and use a ring spanner (wrench) to remove the switch. Replace it with the genuine part number, not just any Guzzi oil switch. Don't ask me how I know this. :oops:
 
Thank you Tony, I will look into it. I just had the airbox off of it too, cleaning everything and hunting down high idle problem (stepper motor). Will be going back in to install a bypass soon and will replace switch while there. Sad thing is at this point my Harley riding friends are now pointing and laughing at me!! It's a sad state of affairs..lol. It would take a die hard to stay in the game at this rate.. and we will. I hope they have fixed all these issues on the new Norge. Because when people ask me about my Moto Guzzi I'm left telling them about how great my Jackal was.. lol
 
Good luck with this, I have recently been through this process and unfortunately found that the cause was a failed dash. I would definitely go through the process advised by Tony and Dave (although I never had any success getting to the oil pressure sensor without removing the airbox its worth a try). If you have the misfortune of having to replace the dash you may want to try these guys - http://www.cdidoctor.com/index.php?main ... cPath=3046 for a repair. Here in Australia a new dash is over $1100. Also if you do buy a replacement dash make sure it is for your model, I tried a 1200 sport dash on my Breva and the indicators didn't work, turns out I needed a Norge dash. It has exactly the same functions but obviously has different pin outs.
Here's hoping for a poor pressure sensor connection.

Steve
 
Yikes..! I haven't priced a new dash yet, but that's what I'm afraid of. Thanks for the input Steve.
 
Maybe an oil pressure warning due to a broken pump rotor?? Mine only came on cold,50% of the time but a new pump stopped that.
Cheers
 
Averb,
Here stateside a new dash is is around $670 (still ouch). Oil pressure switch is $17. I think I will try that first..lol
 
We're talking about the red triangle light and the SERVICE message on the display, right?

This happens randomly on my recently acquired 06 Griso with no set pattern. I also have checked the codes and found none. The light always goes off after a while, again with no set pattern.

I assumed this was simply a 'feature' B)
 
I'm pretty sure it's not a feature.. if it is it sure is a crappy one..lol. If I figure it out i will definetley post about it
 
def not a feature. more like a dodgz supplier of sensors. i have one on it's way, as i am doing a 50,000 km service and had the airbox out to fix an annoying oil leak from the crank angle sensor.
 
I had to fix that leak too!.. on again about how great that Jackal was..lol.. but when ole red is runnin she sure is fast and purdy!
 
Random red triangle service light could be the O2 sensor, it was on my Breva.
 
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