Fuel Injector Resistance
WARNING: This page is about a different car, the 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Disconnect injector connector. Measure resistance between injector terminals. Resistance should be about 13.4-14.2 ohms. If resistance is not about 13.4-14.2 ohms, replace injector.