Power & Ground Circuits
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2000 Toyota Tacoma, 2000 Toyota RAV4, 2000 Toyota ECHO, 2000 Toyota Corolla, and 2000 Toyota Celica. However, it is still accessible from the selected car via links, so may be relevant.
For testing of Engine Control Module (ECM) power and ground circuits, see ENGINE CONTROL MODULE (ECM) POWER SOURCE CIRCUIT . Also see PIN VOLTAGE CHARTS article. For illustration of ECM location, see THEORY & OPERATION article. Use illustration for identification of ECM electrical connector terminals. See Fig 1-Fig 10 .
Fig 2: Identifying Engine Control Module (ECM) Electrical Connector Terminals (Camry Gasoline Models & Camry Solara)
Fig 4: Identifying Engine Control Module (ECM) Electrical Connector Terminals (Corolla With 3-Speed A/T Or M/T, & RAV4)
Fig 5: Identifying Engine Control Module (ECM) Electrical Connector Terminals (Corolla With 4-Speed A/T)
Fig 7: Identifying Engine Control Module (ECM) Electrical Connector Terminals (Tacoma Calif. Emission Vehicles)
Fig 8: Identifying Engine Control Module (ECM) Electrical Connector Terminals (Tacoma Except Calif. Emission Vehicles)