Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
Body Control Module: Description and Operation
ETACS
GENERAL INFORMATION
ETACS*-ECU has three main functions (gateway function, coding function and body electrical equipment control function).
NOTE: *: ETACS (Electronic Time and Alarm Control System)
GATEWAY FUNCTION
As a central ECU for the on-vehicle communication network system established in the vehicle, the gateway function is integrated into ETACS-ECU. The
gateway function offers the following functions:
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Data transfer among four networks* Transfers the data flowing in a network to another network in real time.
NOTE: *: CAN-C (power train network), CAN-B (middle-speed body network), LIN (low-speed body network), diagnosis CAN-C (diagnosis
exclusive network)
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Diagnosis of each network communication line Detects and stores an open circuit and short circuit of communication line.
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Communication error diagnosis of network ECUs Detects and stores the ECU that is not properly transmitting data.
CODING FUNCTION
By writing the coding data such as vehicle model, destination, and equipment level to ECUs, the functions of ECUs can be changed. There are two types
of coding method, the local coding and global coding.
BODY ELECTRICAL EQUIPMENT
CONTROL FUNCTION
This function controls the following electrical equipment.
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Exterior lights
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Wiper, washer
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Central door locking system
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Interior light
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Keyless entry, keyless operation system
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Theft alarm system
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Power supply control
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Fan control
FUNCTION AND CONTROL
ACC POWER SUPPLY AUTOMATIC SHUTDOWN FUNCTION [INITIAL CONDITION: WITH FUNCTION (30 MINUTES)]
The function to shutdown the ACC power supply after 30 or 60 minutes with the ignition switch being ACC has been adopted.
ENGINE CONTROL
After the ignition switch is turned to the LOCK (OFF) position and the engine stops running, it takes approximately 1 second until the power of the
vehicle is turned off. During the period until engine is stopped, the gear engagement in TC-SST is released in order to start the engine smoothly at the