30
*what is ISC ?
(I
DLE SPEED CONTROL)
*control method of ISC
when engine is at idle, ECU refer the sensors and decide how
much air is required, then tell the ISC to act forward or
backward.
*sample
when cold engine, ECU tell ISC enrich the by-pass air to
increase the engine speed. After warm-up, ECU tell ISC
reduce the by-pass air to decrease the engine speed.
ISC(Idle Speed Control)