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Home >> Toyota >> 2017 >> RAV4 SE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Dynamic Torque Control AWD System - Diagnostics - Introduction) >> Dynamic Torque Control AWD System >> Fail-Safe Chart [08/2016 - ] >> Fail-Safe Chart [08/2016 - ]
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Fail-Safe Chart [08/2016 - ]

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  1. FAIL-SAFE FUNCTION 
    • If the following malfunctions occur, the 4WD ECU assembly will stop the function of the dynamic torque control AWD 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 4WD linear solenoid of the transmission coupling assembly is prohibited. As a result, the system enters front wheel drive condition.
    • When a component of the system malfunctions and the fail-safe function activates, 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, a warning message is displayed to stop system operation.