#3?
this is the hard part. 5 ways. ?
A: FSM WAY WITH SUZUKI DUTY METER, Nobody on earth has one, so we can skip this, seen on last page of fsm for idle speed sections
B; some cheap DMM have a duty meter selection, some work others not,. if the meter can handle 200HZ input at 12vdc, it works, if not, not.
C: SCOPE. all scopes work and all since 1930 can do 200HZ, all.
D: shade tree? way? hummmmmmmm...... ok, pinch the hose to ISC, (air) and try to get the engine to idle as low as possible, by unscrewing the bleed. then pray it lands at 50. later.
E: using the DMM meter to on DC range 20v. and then setting duty to 1/2 battery volts, 14 div by 2 is 7v . if the meter hates 200 hz (0ld meters) it will read wrong.
this is DC averaging method. turn bleed to 7v on meter. bam 50% you are there, (i pray)
the purpose of 50 is to get the ISC![[Image: pwm2.jpg]](http://www.fixkick.com/ECU/ISC/pwm2.jpg)
(half open ,at 800 hot) so it can drop RPM or Raise RPM the same amount.
this is the hard part. 5 ways. ?
A: FSM WAY WITH SUZUKI DUTY METER, Nobody on earth has one, so we can skip this, seen on last page of fsm for idle speed sections
B; some cheap DMM have a duty meter selection, some work others not,. if the meter can handle 200HZ input at 12vdc, it works, if not, not.
C: SCOPE. all scopes work and all since 1930 can do 200HZ, all.
D: shade tree? way? hummmmmmmm...... ok, pinch the hose to ISC, (air) and try to get the engine to idle as low as possible, by unscrewing the bleed. then pray it lands at 50. later.
E: using the DMM meter to on DC range 20v. and then setting duty to 1/2 battery volts, 14 div by 2 is 7v . if the meter hates 200 hz (0ld meters) it will read wrong.
this is DC averaging method. turn bleed to 7v on meter. bam 50% you are there, (i pray)
the purpose of 50 is to get the ISC
(half open ,at 800 hot) so it can drop RPM or Raise RPM the same amount.
http://www.fixkick.com