300ZX Coupe V6-2960cc DOHC (VG30DE) (1994)
Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
Component Testing Procedures
IACV-AAC Test
1. Disconnect the Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) valve harness connector.
2. Check resistance of IACV-AAC valve with an ohmmeter.
Should be approximately 10 Ohms.
Idle Air Control Valve-Auxiliary Air Control Valve
1. Remove the valve and inspect the plunger for sticking.
2. Inspect the spring for breakage.
Replace the valve if it fails the above tests.