FixVault

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.