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Home >> Lexus >> 2007 >> IS 250 AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM System Circuits >> ECT and A/T Indicator for 4GR-FSE >> System Outline

System Outline

The engine control module and electronically controlled transmission are unified, which controls totally such as to delay the ignition timing at shifting to lower the engine torque in order to reduce the transmission shift shock.