I3 Checking the IAC Idle Air Control Valve

I3 Checking the IAC idle air control valve

Unplug the idle air control valve connector.

Measure the resistance of the AC valve across pins 3 and 2 (the middle pin) and across pins 2 and 1.
20 ± 5 ohms @ 20°C (68°F).

If the correct resistance reading is not obtained, try a new IAC valve.