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Home >> Honda >> 2003 >> Civic HX, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Fuel System & Emissions System (Hatchback)) >> System Description >> Idle Control System >> Notes

Idle Control System: Notes

WARNING: This page is about a different variant/trim than selected.

When the engine is cold, the A/C compressor is on, the transmission is in gear, the brake pedal is pressed, the power steering load is high, or the alternator is charging, the ECM controls current to the idle air control (IAC) valve to maintain the correct idle speed. Refer to the IDLE CONTROL SYSTEM DIAGRAM  to see the functional layout of the system.

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