02-12-2018, 09:23 PM
cold start and hot are 2 different things
the ECT is next.
it must read correctly
the ECT sets the fueling rate, cold. it must read correctly for cold then 300 ohms hot.
the yellow back ground is spec. for ECT (suzuki)
the IAC sets air flow, cold cranked, and the at cold idle.
the ECT sets the fuel rates cold adding fuel to the known rates of air above. cold.
when the ECT report coolant is over 150f, the ECU switches to hot running mode. and the IAC is 100% closed now,. hot.
http://www.fixkick.com/ECU/temp-sensors.html
the ECT is next.
it must read correctly
the ECT sets the fueling rate, cold. it must read correctly for cold then 300 ohms hot.
the yellow back ground is spec. for ECT (suzuki)
the IAC sets air flow, cold cranked, and the at cold idle.
the ECT sets the fuel rates cold adding fuel to the known rates of air above. cold.
when the ECT report coolant is over 150f, the ECU switches to hot running mode. and the IAC is 100% closed now,. hot.
http://www.fixkick.com/ECU/temp-sensors.html
http://www.fixkick.com