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Home >> Mazda >> 1997 >> Protege DX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 1.5L >> Idle Control System >> Idle Air Control (IAC) Valve
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Idle Air Control (IAC) Valve

Disconnect IAC valve connector. 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 RESISTANCE SPECIFICATIONS

Application Ohms
Protege 1.5L (1) 7.7-9.3
(1) With IAC valve temperature at 73°F (23)°C.