The rotary solenoid type IAC valve is located in front of the intake air chamber and intake air bypassing the throttle valve is directed to the IAC valve through a passage. In this way, the intake air volume bypassing the throttle valve is regulated, controlling the engine speed. The ECM operates only the IAC valve to perform idle–up and provide feedback for the target idling speed.
Showing posts with label idle control system malfunction. Show all posts
Showing posts with label idle control system malfunction. Show all posts
Wednesday, June 2, 2010
2002 Toyota Tacoma Idle Control System Malfunction Engine Diagnostics
2:42 AM by onesecond
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Labels: air fuel ratio, air volume, ecm, engine diagnostics, engine speed, idle control system malfunction, neutral position, obd ii scan tool, rotary solenoid, solenoid, speed inspection, target, throttle valve, Toyota, toyota tacoma
Labels: air fuel ratio, air volume, ecm, engine diagnostics, engine speed, idle control system malfunction, neutral position, obd ii scan tool, rotary solenoid, solenoid, speed inspection, target, throttle valve, Toyota, toyota tacoma
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