My speedo was broken, so I managed to fix that, but now my tachometer goes up, then down, then the correct reading. I understand this is tell me there's a fault, and I guess it's a fault with the sensor as I've replaced the speed sensor and that's now working fine.
I've got a multimeter. What should I be testing and looking out for on the rev counter sensor?
Any help or link to info would be appreciated.
what number does it go up to
- its a fault code warning
3000 is a code for a totally fooked, or unplugged TPS.
More people are born because of alcohol than will ever die from it.
yep TPS on right hand side of the carbs
make sure it is all plugged in and contacts are clean (including under tank if there is another plug to the main loom)
i forget to plug mine in everytime i have the carbs off and think WTF for a second
Check the connections are clean and tight and that the plug is fully inserted. Check the other end of the wire to make sure you didn't disturm that as well. Try loosening the screws and moving it a abit (it's basically a potentiometer - volume control) so a wiggle won't hurt.
31-08-17, 09:54 AM
(This post was last modified: 31-08-17, 09:55 AM by darrsi.)
(31-08-17, 07:58 AM)Jimmy2wheels link Wrote: Right. I tested the TPS with a multimeter as per Haynes manual and got nothing. Then I found this http://bikesandtravels.com/biker.aspx?ride=201
Seems interesting. Anybody know where I could buy a cheap TPS?
Ebay "FZS 600 Throttle Position Sensor"
DO NOT buy a used one!
More people are born because of alcohol than will ever die from it.
Has anyone taken the cover off a dead tps? Is it just a circuit board with a wiper arm or is there more going on in there?
As my fazer is a carb model. How does this faulty TPS affect the bike? Will it make a difference to the handling? I think my carbs need ballancing, but I'm not sure it's related to the sensor.
(31-08-17, 01:44 PM)Jimmy2wheels link Wrote: As my fazer is a carb model. How does this faulty TPS affect the bike? Will it make a difference to the handling? I think my carbs need ballancing, but I'm not sure it's related to the sensor.
A faulty or knackered TPS will make the bike idle roughly, be very jerky under 3000rpm with the need to really use a lot of clutch to control things, and the bike will generally run a bit shite.
Even when the TPS was not in the correct position i learned to realise the difference in feel of the bike.
You need to check the TPS positioning before and after a carb balance so if you think it's faulty don't even go near the carbs yet.
Also, when contemplating a carb balance, you need a clean/unclogged air filter as well for best results.
More people are born because of alcohol than will ever die from it.
(31-08-17, 01:10 PM)His Dudeness link Wrote: Has anyone taken the cover off a dead tps? Is it just a circuit board with a wiper arm or is there more going on in there?
Pretty much. I saw one that someone had repaired somewhere..... here it is
http://diversionclub.proboards.com/thread/24080/tps
Malc
Old enough to know better.
31-08-17, 04:53 PM
(This post was last modified: 31-08-17, 04:53 PM by darrsi.)
(31-08-17, 04:24 PM)crickleymal link Wrote: [quote author=His Dudeness link=topic=23165.msg267116#msg267116 date=1504181402]
Has anyone taken the cover off a dead tps? Is it just a circuit board with a wiper arm or is there more going on in there?
Pretty much. I saw one that someone had repaired somewhere..... here it is
http:/ersionclub.proboards.com/thread/24080/tps
[/quote]
Just looked at that link, i really don't know how they say the TPS makes no difference to the running of the bike, because i can say through experience that if it ain't right then the bike runs like a complete pig, hence the reason i always knew when they were on their way out?
Add to that, if it wasn't there to do a job then it wouldn't be there at all.
There's a big difference in smooth running once a faulty one has been replaced with a fully functioning unit.
More people are born because of alcohol than will ever die from it.
hopefully no one will shoot me for this
but i believe the ignition timing is either advanced or retarded slightly when there is no/little throttle
there is a reason we have ignition modules nowadays and dont just run points like the good old days
(the good old days - im only 34 FFS)
