Lancer L4-2.4L (4B12) (2009)
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A gateway function has been integrated to ETACS-ECU as the network central ECU.
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The CAN system consists of the following three networks: CAN-B (middle-speed body network), CAN-C (high-speed power train network), and
the diagnosis CAN-C (diagnosis exclusive network). Each ECU is connected to one of the networks depending on its functions.
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The CAN bus line consists of two lines, CAN_L and CAN_H (CAN Low and CAN High, respectively), as well as two terminal resistors (A
twisted-pair cable, highly resistant to noise, is used for the communications line).
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The CAN bus line connecting two dominant ECUs is the main bus line, and the CAN bus line connecting each ECU is the sub-bus line.
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With CAN-C, the terminal resistors are incorporated in ECU. Resistors with approximately 120 ohms is used for the dominant ECU, and that with
4.7 kilo ohms is used for the non-dominant ECU.
NOTE:
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Dominant ECU: ETACS-ECU and engine ECU
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Non-dominant ECU: ECU and sensor on CAN-C network, excluding ETACS-ECU and engine ECU
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To the CAN bus line, ECU, sensor, and data link connector are connected as follows for each network.
CAN-B
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Wireless control module (WCM) [vehicles without KOS]
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KOS-ECU [vehicles with KOS]
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SRS-ECU
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Occupant classification-ECU
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A/C-ECU [vehicles with A/C]
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HEATER CONTROL UNIT [vehicles without A/C]
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Radio and CD player or CD changer [vehicles without Mitsubishi Multi-Communication System (MMCS)]
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CAN box unit [vehicles with Mitsubishi Multi-Communication System (MMCS)]
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Hands-free module [vehicles with hands-free system]
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Satellite radio tuner [vehicles with satellite radio]
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Combination meter
CAN-C
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ABS-ECU [vehicles with ABS (Except vehicles with ASC)]
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ASC-ECU [vehicles with ASC]
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Steering wheel sensor [vehicles with ASC]
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AWC-ECU [RALLIART]
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Transaxle control module (TCM) [CVT]
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Transaxle assembly (TC-SST-ECU) [RALLIART]
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Shift lever [RALLIART]
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Engine control module (ECM)
DIAGNOSIS CAN-C
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Data link connector
