FixVault

ISC Valve

WARNING: This page is about a different car, the 1996 Mazda MX-6 and 1996 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect ISC valve electrical connector. Connect ohmmeter to ISC valve 2-wire connector. Measure resistance. Refer to the ISC RESISTANCE SPECIFICATIONS  table. If resistance is not within specification, replace ISC valve.

ISC RESISTANCE SPECIFICATIONS

Application Testing Temperature: °F (°C) Ohms
MX-6 & 626 2.5L 68 (20) 10.7-12.3