WIPER AND WASHER SYSTEM FAIL-SAFE CHART

Tech Tips

w/ Automatic Headlight Beam Level Control System:

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  1. Headlight Cleaner System (w/o Automatic Headlight Beam Level Control System)


    1. The headlight leveling ECU assembly operates in fail-safe mode if an abnormal condition such as those listed below has been detected.

      Item Abnormality Detection Condition Return Condition Warning Light
      High power source voltage Abnormal high power source voltage (18.5 V or more) is detected. Voltage of 17.5 V or less is detected Not illuminated
      Low power source voltage Abnormal low power source voltage (9.0 V or less) is detected. Voltage of 9.3 V or more is detected Not illuminated
      CAN communication malfunction Abnormal CAN communication line is detected. Repair or replace CAN communication line Not illuminated
      Headlight leveling ECU assembly malfunction Malfunction of headlight leveling ECU assembly is detected. Replace headlight leveing ECU assembly Illuminated