Supra L6-3.0L DOHC (7M-GE) (1990)
Voltage Signal: Description and Operation
Ignition Signal
The ECU senses that the engine is operating by means of a signal from the Igniter (Coil). As long as ignition spark is sensed by the ECU, the fuel
pump and EFI system will supply fuel to the engine. This signal inputs the ECU through terminal IGT.