HEATED STEERING WHEEL SYSTEM FAIL-SAFE CHART


  1. MALFUNCTION DETECTION


    1. Operation when malfunction is detected

      Content Operation
      Heater Malfunction Overcurrent detection of drive element Heater off
      Overheating detection of drive element Heater off
      Power supply malfunction Low-voltage detection Heater off
      Over-voltage detection Heater off
      OFF timer 30 minutes after heated steering wheel system is turned on Heater off

    2. Malfunction detection conditions

      An open or short in the steering wheel thermistor continues for 2 seconds or more.