ISC Valve
WARNING: This page is about a different car, the 1994 Mazda MX-6 and 1994 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. See ISC RESISTANCE SPECIFICATIONS table. If resistance is not within specification, replace ISC valve.
ISC RESISTANCE SPECIFICATIONS
| Application | Testing Temp.: °F (°C) | Ohms |
|---|---|---|
| 2.0L | 73 (23) | 7.7-9.3 |
| 2.5L | 68 (20) | 10.7-12.3 |