Resistance Check
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1994 Mazda MX-5 Miata, 1992 Mazda MX-5 Miata, 1992 Mazda MPV, 1992 Mazda B2200, and 1991 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect solenoid valve connector. See Figure . Measure resistance between terminals. Resistance should be 13-25 ohms. If not 13-25 ohms, replace solenoid valve.