dirttracker30
Well-known member
Is any of the elec. genious's have a clue yet on how to disable this ?
cruise speed max setting
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ionbeam
2 FUN
Odds aren't very good that there is an easy solution. This kind of thing is usually in the software and nobody has yet hacked Yamaha's ECU software. Hmm, if a person were to cheat the speed input signal you may have a work-around. Now we would have to ask the ABS ECU how it likes an erroneous speed input...
HotRodZilla
GOD BLESS AMERICA
Would it be as easy as a Speedohealer (is that right) that you can turn off and on at will? A person could engage that and just use the GPS for true speed.
On the Gold Wings there are 2 pins that identify 4th and 5th gear. It maxes out at 78 mph (actual) regardless of the rpm because it knows which gear it's in. By extraction the 2 pins from the gang connector and swapping them you trick the ECU into thinking it's in 4th when you're really in 5th. It then allows a higher RPM that results in a top cruise speed of 102. You pay for it with a lower top cruise speed in 4th but (most people think) that's an acceptable compromise.
ionbeam
2 FUN
That probably would work on the FJR too. I'll bet that a smart feller could figure out a way to make that switchable so that the gear position would read correctly most of the time and only change when you were able to cruise above 80.
Speedhealer is one way to tweak the speed signal, but that signal is also one of the key inputs to the ABS ECU. I would be careful with that
dcarver
Well-known member
Newer isn't always better, it seems.
This will be an interesting thread.
I wonder who will be first to attempt jailbreaking the high dollar ECU?
This will be an interesting thread.
I wonder who will be first to attempt jailbreaking the high dollar ECU?
bramfrank
BramFrank
Are we discussing the OP's 2006? Or is he referring to the cruise on the 2013?
For the '06, the solution depends on what the problem is . . . is the CC not able to pull the throttle hard enough to maintain 80? Or is it not possible to engage the cruise above 80.
If the former, too bad. If the latter, then either the input needs to be divided to make the cruise believe that the pulses are arriving at a lower rate than the bike is generating - the speedo healer would do that, or you could build up a pulse divider and wire it in - I have not checked the switch settings, but if the input isn;t set to receive the maximum number of pulses per mile, then changing the switches ought to do it.
But I suspect issues with the throttle pull. My unit likes to drift down with time from 120 kph to about 110. Even on level ground. It isn't a vacume issue - I have the official cannister and it takes vacume from 2 throttle bodies.
For the '06, the solution depends on what the problem is . . . is the CC not able to pull the throttle hard enough to maintain 80? Or is it not possible to engage the cruise above 80.
If the former, too bad. If the latter, then either the input needs to be divided to make the cruise believe that the pulses are arriving at a lower rate than the bike is generating - the speedo healer would do that, or you could build up a pulse divider and wire it in - I have not checked the switch settings, but if the input isn;t set to receive the maximum number of pulses per mile, then changing the switches ought to do it.
But I suspect issues with the throttle pull. My unit likes to drift down with time from 120 kph to about 110. Even on level ground. It isn't a vacume issue - I have the official cannister and it takes vacume from 2 throttle bodies.
ionbeam
2 FUN
(1) 2013 cruise
(2) the ECU won't permit operation over 80, it a software thing (which keeps it from becoming a Liability Lawyer thing should something go wrong over 80 mph)
(3) this will almost certainly mess with the ABS ECU unless you can find a way to split wheel speed to the ABS ECU and spoofed speed to the ECU
(4) nothing to do with throttle pull on a fly-by-wire (fbw) system Having just put a lot of miles on a fbw BMW K1300GT I can tell you that there is no similarity between an aftermarket cruise yanking on the throttle pulley (and thereby rotating the throttle tube on the handlebar) and an all electronic fbw cruise. Me really likie the fbw cruise.
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How does the '13 cruise respond when you change gears and then resume?
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gixxerjasen
Well-known member
Similar to the goldwing technique above, Suzuki's use a Gear Position Sensor that can be fooled with a $0.07 resistor into always thinking it's in fifth gear. This helps Hayabusa's surge past that 186mph barrier.
ionbeam
2 FUN
I don't know if there is any relevance to the '13, but the previous FJR ABS ECU gets its speed signal from the Meter Assembly. If you spoof the speed it will cause the ABS ECU to make incorrect calculations. If the '13 uses the same speed input the reading will be absolute, so the gear sensor wire thingie won't work. Previous FJRs have used a mechanical switch for gear sensing so it would be a wire swapper like the Oldwing and the resistor would not work. However, since the ABS ECU only looks at speed, any gear sensor spoofing wouldn't affect the 80 mph cap. I needs to get me a Gen III FSM and do a little light reading :lol: Anyone want to loan me one?
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On the Gen II non-AE isn't the speed signal actually just the rear wheel ABS wheel speed input? I believe the rear ABS pickup signal first goes to the ABS ECU and then passes on through to the main ECU.
I remember someone adding a speed adjustment device between the ABS ECU and the main ECU. Someone named Fred, a bike techie, who quickly traded to the new Concours when it was introduced.
I remember someone adding a speed adjustment device between the ABS ECU and the main ECU. Someone named Fred, a bike techie, who quickly traded to the new Concours when it was introduced.
RadioHowie
I Miss Beemerdons!
Fairlaner
The Bartender Whisperer
Pseudo-Fed
Well-known member
Yes, Fred Harmon. He was very helpful during my time with my 2008 connie. He lives here in the Fort Worth area. He's an engineer and quite amazing at all he does. You can probably still find him on the Concours forum....
SkooterG
Purveyor of Crooked Facts
Iris
formerly "herfjr"
RadioHowie
I Miss Beemerdons!
Ya had ta be there. It wasn't pretty.Uh-oh ?There are two sides to every story......
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