Idle Air Control Valve-Fast Idle Control Device (IACV-FICD): Q45
WARNING: This page is about a different car, the 2000 Infiniti Q45 and 2000 Infiniti G20. However, it is still accessible from the selected car via links, so may be relevant.
Remove IACV-FICD. See Figure. Using jumper wires, apply battery voltage to IACV-FICD terminals. IACV-FICD should click when jumper wires are connected and disconnected. Inspect IACV-FICD plunger for sticking. Also check for broken spring.