Toyota 4afe Ecu Pinout -

Main chassis ground for the ECU housing and digital logic circuits.

Detects if the throttle is fully closed (idle) or open at a wide angle. Pressure Intake Manifold Intake manifold pressure signal used for load calculation. #10, #20 Injector Pulse Output signals that trigger specific fuel injector groups. Wiring & Connection Reference toyota 4afe ecu pinout

Throttle Position Sensor (TPS) signal and idle switch. Main chassis ground for the ECU housing and