The schematic below is part of full 2000 Celica Engine Control System which utilizes an engine control module and maintains overall control of the engine, transmission and so on. It explains Input Signals, Control System, Diagnosis System Fail–Safe System, and some service hints.
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1990 Toyota Supra MA70 Relay Locations Schematic Guide
This schematic below shows Toyota Supra MA70 Relay Locations – Instrument Panel Guide illustration in relation to the electrical system specifications of the vehicle which were made in August 1990. The diagram is closely related to the wiring diagram.
