You don't have one, you have a MAP system,
same as me, (manifold air pressure) is read
and info is fed to the puter, also throttle position,
both of these, with water temp and RPM tell the
computer how much fuel and when to inject, if you
want you can advance the timing a few degrees to
improve power, but if you head engine ping, back
it off again.
I think the MAP computer system does not have
computer controled ignition.