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Home >> Toyota >> 1984 >> 4Runner Base >> Repair and Diagnosis >> Engine Performance >> System >> ECS Engine Control System >> Operation >> Electronic Control Unit (Ecu)

Electronic Control Unit (Ecu)

The ECU is mounted in center console under instrument panel. The ECU controls all functions of the ECS. The ECU consists of a printed circuit board enclosed within a metal box. The ECU receives signals from the data sensors and switches. These signals are processed by the ECU for controlling various engine functions.