You can rent the dongle from Lockeeood for around 50$ (we rented it about 8
years ago so price might have gone up).=C2-
=8BWell worth it! =C2-Within 15 mins I knew what was wrong and
recalabrated the throttle.=C2-
Matt Carpenter=C2-
=94
Sent from Mailbox for iPhone
On Sun, Jun 2, 2013 at 12:04 PM, Jerry Rehn <rehn@rockisland.com> wrote:
> The yellow caution light is blinking. The warning lights come on and go
off as they should when the tcu is powered up, the waste gate cycles thru
properly at startup as well. With the engine running the yellow light is
not blinking at idle but starts to blink at about 2300 rpm and continues as
rpms rise, go below 2300rpm and the light goes out. With the engine off
and the turbo powered up the yellow light also is off at idle throttle
setting and if I advance the throttle the light starts blinking and will
stop as I pull back. So it seems that the throttle sensor is sending a
signal to the tcu as it moves. But what is the issue=3F Sensor, tcu, other.
> This issue just started on its own. So, the rotax folks would like me to
remove the tcu and send it in for diagnoses. Anybody had this issue=3F I
have searched this and have seen it discussed but the threads just end with
no resolution, so I know I'm not alone out there.
> Also the turbo is working and does boost the engine but I pretty sure it
is adding boost too soon for the throttle setting which also points to the
throttle sensor.
> Lastly my tcu is of the old type 4.5 which needs the dongle to talk to a
pc in dos! So I can't plug in my pc and test it myself. Anybody know if a
dongle is available and software=3F Maybe Lockwood or=3F
> Regards
> Jerry
> Sent from my iPad
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