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DLN-12 < SYSTEM DESCRIPTION > [TRANSFER: TY21C] COMPONENT PARTS 4WD Control Unit INFOID:0000000010755225 • Controls driving force distribution by signals from each sensor from front wheel driving mode (100:0) to 4- wheel driving mode (50:50). • Fail-safe mode is available if malfunction is detected in 4WD system. For fail-safe, refer to . 4WD ACTUATOR RELAY 4WD actuator relay is integrated with 4WD control unit, and supplies 4WD solenoid with voltage. Electric Controlled Coupling INFOID:0000000010755226 Electric controlled coupling is integrated with rear final drive and transmits driving force to rear final drive. For DLN-13, "Operation Description" . 4WD Solenoid INFOID:0000000010755227 • 4WD solenoid is integrated with electric controlled coupling. 4WD Mode Switch INFOID:0000000010755228 4WD mode is selectable among 2WD mode, AUTO mode, and LOCK mode by operating the 4WD mode ABS actuator and electric unit (con- Mainly transmits the following signals to 4WD control unit via CAN communication. BRC-8, "Component Parts Location" 148, "Component Parts Location" 4WD mode switch Refer to . 4WD control unit Refer to . Electric controlled coupling Refer to DLN-12, "Electric Controlled Coupling" . 4WD solenoid Refer to No. Component Function |