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ETACS CHASSIS ELECTRICAL 54A-44 System configuration OPERATION 1. When the ignition key is inserted to the ignition switch or the ignition switch is turned to the ON 2. When the ignition key receives the request signal to start the communication from receiver antenna 3. Receiver antenna sends the codes (key ID, etc) sent from the ignition key to the ETACS-ECU. 4. ETACS-ECU compares the codes (key ID, etc) sent from receiver antenna with the NOTE: . • The transponder integrated in the ignition key • Two ignition keys (transmitter and transponder) • When ETACS-ECU is replaced or when the key ETACS GENERAL INFORMATION M2545400200722 ETACS * -ECU has three main functions (gateway function, coding function, body electrical equipment ACC00115 ETACS-ECU Turn-signal lamp Receiver Steering lock Engine-ECU Lock switch Unlock switch CAN-C Ignition key Radio Radio Room lamp, Power window switch Door lock actuator Door mirror assembly AB Transmitter Transponder Tailgate latch |