IACV-FICD Solenoid Valve

DESCRIPTION
The idle air adjusting (IAA) unit is made up of the IACV-AAC valve, IACV-FICD solenoid valves and idle adjusting screw. It receives the signal from the ECM and controls the idle speed at the preset value.






Electrical Diagrams






Circuit Connectors

1 Of 2:

2 Of 2:

DIAGNOSTIC PROCEDURE


COMPONENT INSPECTION









IACV-FICD solenoid valve-1
Disconnect IACV-FICD solenoid valve-1 harness connector.
- Check for clicking sound when applying 12V direct current to terminals.
- Check plunger for seizing or sticking.
- Check for broken spring.