Idle Speed/Throttle Actuator - Electronic: Testing and Inspection

IACV-AAC VALVE
1. Disconnect IACV-AAC valve harness connector.
2. Remove IACV-AAC valve.
- Check IACV-AAC valve resistance.
Resistance:
Approximately 10 ohms [at 20° (68°F)]
- Check plunger for seizing or sticking.
- Check for broken spring.

3. Supply battery voltage between IACV-AAC valve connector terminals.
Plunger should move.

IACV-FICD VALVE
Disconnect IACV-FICD solenoid valve harness connector.




- Check for clicking sound when applying 12V direct current to terminals.




- Check plunger for seizing or sticking.
- Check for broken spring.