Fuel Pump Control Circuit: Notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2000 Toyota Tundra, 2000 Toyota Tacoma, 2000 Toyota Sienna, 2000 Toyota Land Cruiser, and 2000 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
If Engine Control Module (ECM) replacement is instructed in the following testing, always ensure ECM wiring harness electrical connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.