Self-Diagnosis Function
Self-diagnostic system is integrated in EC-AT control unit and diagnosis malfunction of main sensor (input), solenoid valves (output) and EC-AT control unit. Malfunctions are memorized in EC-AT control unit as specific codes. EC-AT tester is used to retrieve malfunction codes from control unit. Each malfunction code is indicated by a code number and buzzer as shown in MALFUNCTION CODE NUMBER tables.