Idle Up Control Valve: Testing and Inspection
WIRING DIAGRAM
COMPONENT DESCRIPTION
When the air conditioner is on, the IACV-FICD solenoid valve supplies additional air to adjust to the increased load.
Terminals 15 Thru 37:
ECM TERMINALS AND REFERENCE VALUE
Specification data are reference values and are measured between each terminal and (43) (ECM ground).
DIAGNOSTIC PROCEDURE
COMPONENT INSPECTION
IACV-FICD SOLENOID VALVE
Disconnect IACV-FICD solenoid valve harness connector.
- Check for clicking sound when applying 12 V direct current to terminals.
- Check plunger for seizing or sticking.
- Check for broken spring.