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Wednesday, 27. April 2011 by Arya
2000 Toyota Celica Fuel Pump Control Circuit and Wiring Diagram. The fuel pump control consists of: EFI main relay, circuit opening relay, fuel pump, ignition switch, battery, ECM and fuel pump. When the engine is cranked, current flows from terminal ST of the ignition switch to the starter relay coil and also to terminal STA of ECM. Read more [...]