Idle Speed/Throttle Actuator - Electronic: Testing and Inspection

Auxiliary Air Control Valve Testing:

1. Check resistance of AAC valve with an ohm meter. Should be approximately 10 ohms.

Fig. 141 AAC Plunger Inspection:

2. Remove the valve and inspect the plunger for sticking.
3. Inspect the spring for breakage. Replace the valve if it fails the above tests.