ACTIVE TORQUE CONTROL 4WD SYSTEM FAIL-SAFE CHART


  1. FAIL-SAFE FUNCTION


    • If the following malfunctions occur, the AWD control ECU will stop the function of 4WD control system or partly change the function to control the system.


    • If a malfunction occurs in the sensor signal or actuator, the flow of electricity to the electromagnetic solenoid of the electromagnetic control coupling is prohibited. As a result, the system enters front wheel drive condition.


    • When a component of the system malfunctions and the fail-safe function activate, the component operation is prohibited. However, if the system is controlling the component and the fail-safe function activates, the system operation is gradually stopped to prevent sudden changes in the vehicle condition.


    • When system control is not possible, the warning light is illuminated to stop operation of the system operation.