Kev800

6 minutes ago, M1962 said:

well done for sticking with it

Thanks. I was so close to tearing it to bits. 

I had a look at the partzilla website I have already ordered a new sensor and a few other bits that I was not happy about once they turn up ill get them on the bike. In the mean time I’m gonna do as many miles as I can on it to gain some confidence back in the bike, at least then if I decide to sell it on I can do so with a clear conscience. I can’t believe how much the parts are inflated by in the uk. I have paid less for a piece of fairing the sensor and some trim clips shipped to the uk for less than I can buy just the sensor here. Even if there’s import tax I’ll have saved a pretty penny

YES 🎉🎉🎉🎉🎉

So the second hand cam pulse generator turned up in the post about 30 mins ago. I tested it before I fitted it (699 ohms) so I don’t expect it will last too long. I’m now in two minds to keep it or not. 

The MOT runs out soon, should I have it tested and keep it or move it on?

for those of you following this outside the UK the MOT is a government safety inspection carried out yearly to be allowed to use a vehicle on the roads in the UK

Cam pulse generator tested at 15 M ohms the wire was green all the way down to the sensor. I have ordered a used one from eBay for now because it was £12 instead of £200 if the bike runs I will invest in a brand new one

I did come across the big yellow connector. But took a slightly different course the extra cable was already on the bike when I bought it as in the picture, I changed it slightly so that the wire is soldered all the way across the bridging connector then sealed it up with self amalgamating tape I’m happy that the earth is good here

Ok so I’ve just been out and checked the fault codes, code 1 & 18 are present I know 18 is for the cam pulse generator so I checked the resistance across that sensor and it’s in the M ohms range ( that could be a dirty connection) Honda quote the range @ 400 - 600

im going to spend a bit of time de pinning that plug cleaning the terminals and then I’ll recheck.

i really don’t know if I should thank you or curse you at the minute as now you have my hopes up and I’ve had rotten luck lately. 

It had a new wiring loom fitted when the last ecu failed as a just to be sure measure. The fault I’m getting again is identical no spark no ignition pulse, I forgot to check the charge rates if I’m honest. 

One thing ink I will say is this time if you crank long enough the FI light does come on solidly. I haven’t checked the outputs on the 2 generators purely because my luck with this bike has been shocking and I can only accurately check resistance as I don’t have the pico scope here any more. 

And it is a lovely looking bike, thank you 🙂

The only way to be confident about putting another ECU on the bike is to replace 

cam pulse generator

ignition pulse generator

stator

reg/rec

to purchase all four parts new is just shy of 1000 GBP from Honda. 

Ijust don’t feel a 15 year old bike that has let me down before is worth the time effort or the money, I’ve owned this bike for a grand total of 10 weeks and it’s spent 8 of those in my garage in pieces. Which is a shame because when it works it’s a lovely bike 

Thanks for that. 

Im now breaking the bike. 

The ecu has failed again and I refuse to spend any more time/money on it

I did not know there was a uk forum...... where’s that? 

I’d like to know more about the exhaust too

Will do. 

Hi

A7 & 20 are good. I’m now thinking that there is nothing left to check. 

I’m just waiting for the wife and kids to go out and I’ll check everything you have mentioned

When I hit the starter button the fuel pump does not run

When I turn the ignition on the hiss light comes on and the pump primes the fi light also comes on then both lights go off. 

The key is on its own now and I have tried the spare key. 

Morning

i will try all of this today. 

The bike does have hiss

It would be nice if I could find someone that has had an ecu fail 

i see your point i could have worded it a lot better. 

im not very good with bikes at all but im not afraid to get my hands dirty either. i have learnt a lot in the last few days from the research I've been doing on the internet, the last bike i owned i sold 8 years ago.

i do appreciate all of the responses I've had so far. the new ecu should be here on tuesday

what im struggling to get my head around most is the fact that everyone I've spoken with has never heard of an ecu failing, yet the chap that runs the company I've ordered the ecu from says they fall over for fun. i even created a poll on a uk facebook page dedicated to VFR's and im yet to see someone with a failed unit

There are no fault codes stored in the ecu at all. 

The first thing i checked were the flash codes. The fi light acts as it should do and the fuel pump primes 

whilst searching the internet for info about this fault a friend found a very useful Honda document

VFR VTEC PGM-FI Diagram 2002.pdf

ive had the use of a pico scope over the last week or so. here are the results

first picture is the complete cam pulse with the ecu unplugged

second is the complete cam pulse with the ecu plugged in

and third is the crank pulse at 50 m/s 

On 5/16/2018 at 12:23 AM, Grum said:

Kev. Don't give up!

If you've been able to isolate the IPG and CPG and verify your injectors aren't working, then your clever enough to check a few more things.

Have you checked the voltage I mentioned above as this feeds BOTH injectors and ignition coils, and is your FI indicator flashing?

The fact you have both injectors and ignition coils not working may point to a common voltage missing or bad earth/ground. The first thing, ALWAYS, when fault finding is to Verify All relavent Power Supplies are O.K. That includes Battery, Fuses and earthing issues. Keep us informed with what you find.

Good Luck

sorry for the slow response i did not get a notification... we have whittled it down to the ECU being faulty, all sensors are working as they should.