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Home >> Scion >> 2009 >> tC Automatic >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM System Circuits >> Engine Control >> System Outline >> Diagnosis System

Diagnosis System

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Via the diagnosis system, when there is a malfunction in the engine control module signal system, the malfunctioning system is recorded in the memory. The malfunctioning system can be found by reading the code displayed by the check engine warning lamp.