Idle Air Control Valve
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, 2002 Mazda MX-5 Miata, and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect Idle Air Control (IAC) valve connector. See IAC VALVE LOCATION
table. Using an ohmmeter, measure resistance between IAC valve terminals. See IAC VALVE RESISTANCE SPECIFICATIONS
table. If resistance is not within specification, replace IAC valve.
IAC VALVE LOCATION
| Application |
Location |
| Miata, 626 (2.5L) & Millenia (2.5L) |
Under Throttle Body |
| Millenia (2.3L) |
Part Of BAC Valve |
| MPV, Protege, Protege5 & 626 (2.0L) |
On Top Of Throttle Body |
IAC VALVE RESISTANCE SPECIFICATIONS
| Application |
Ohms |
| Miata, Millenia 2.5L, MPV & 626 2.5L |
8.7-10.5 |
| Millenia 2.3L |
10.7-12.3 |
| Protege, Protege5 & 626 2.0L |
7.7-9.3 |