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Home >> Mazda >> 1990 >> 929 S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Speed Control (ISC) System >> ISC Valve
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ISC Valve

Measure resistance of Idle Speed Control (ISC) valve at 2-wire connector. See ISC RESISTANCE SPECIFICATIONS  table. If not to specification, replace ISC valve.

ISC RESISTANCE SPECIFICATIONS

Application Testing Temperature °F (°C) Ohms
929 68 (20) 10.7-12.3
Fig 1: Testing Air Valve
G94834Courtesy of MAZDA MOTORS CORP.