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Home >> Lexus >> 2010 >> RX 350 FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Active Torque Control 4WD System (Diagnostics - Introduction)) >> Active Torque Control 4WD System >> Fail-Safe Chart >> Fail-Safe Chart
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Fail-Safe Chart

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  1. FAIL-SAFE FUNCTION 
    1. When there is a possibility of causing damage to the drivetrain due to a malfunction in the AWD system or rough driving, the system illuminates or blinks the master warning light and displays a warning message on the multi-information display to inform the driver, stops AWD mode, and enables the vehicle to operate in front-wheel-drive mode.
      Condition Master Warning Light Multi-information Display
      AWD system malfunction Illuminates CHECK AWD SYSTEM
      Rough driving in AWD mode Pre-warning for stopping AWD control Slow Blinking AWD OVER HEATE
      Stopping AWD control Fast Blinking AWD DISABLED

      HINT: 

      When the 4WD ECU assembly judges that the vehicle has stabilized, it resumes AWD mode. If the master warning light blinks and displays a warning message on the multi-information display, take the following actions without turning the engine off:

      • Decelerate the vehicle until the light goes out.
      • Stop the vehicle and wait until the light goes out.