acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Idle Speed/Throttle Actuator - Electronic|Locations|Page 3450
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Idle Speed/Throttle Actuator - Electronic: Description and Operation

Idle Air Control (IAC) Valve 

To maintain the proper idle speed, the IAC valve changes the amount of air bypassing the throttle body in response to an electrical signal from the
ECM/PCM.

Main Relay (Computer/Fuel System) > < Idle Speed/Throttle Actuator - Electronic|Locations|Page 3450