Mirage 1.5L, Eclipse 1.8L, Pickup, Ram-50 & Van/Wagon 2.4L

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1990 Mitsubishi Van, 1990 Mitsubishi Sigma, 1990 Mitsubishi Pickup, 1990 Mitsubishi Montero, and 1990 Mitsubishi Mirage. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect ISC motor connector. See Figure -Figure . Connect ohmmeter between terminals No. 1 & 2 of ISC motor connector. If resistance is not 5-35 ohms at 68°F (20°C), replace ISC motor assembly.