Pickup 2.4L & Ram-50 2.4L
WARNING: This page is about a different car, the 1991 Mitsubishi Pickup, 1991 Mitsubishi Montero, and 1991 Dodge Ram 50. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect ISC motor connector. Connect ohmmeter between terminals No. 1 and 2 of ISC motor connector. See Figure . If resistance is not 5-35 ohms at 68°F (20°C), replace ISC motor assembly.