Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Idle/Throttle Speed Control Unit: Description and Operation
Idle Air Adjusting Unit:
PURPOSE AND OPERATION The Idle Air Adjusting
(I.A.A.) Unit is made up of the IACV-AAC valve, IACV-FICD solenoid valve and idle adjusting screw. it receives the signal from the ECM and controls the idle speed at the preset value and fuel cut.
