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Home >> Mazda >> 1994 >> MX-5 Miata Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Control System >> Idle Speed Control (ISC) System >> ISC Valve

ISC Valve

Disconnect ISC valve electrical connector. Connect ohmmeter to Idle Speed Control (ISC) valve 2-wire connector. Measure resistance. Resistance should be 11-13 ohms at 68°F (20°C). If resistance is not within specification, replace ISC valve.

Fig 1: Cross-Sectional View Of Air Valve (Miata)
G90C18384Courtesy of MAZDA MOTORS CORP.
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