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Auto Wiper System: Inspection: Notes

Symptoms Probable defective part
Wiper does not operate. Ref. to WIPER AND WASHER SYSTEMS>Auto Wiper System>INSPECTION>WIPER DOES NOT OPERATE .
  • Sensor assembly rain failure
  • Combination switch (wiper) failure
  • Body integrated unit failure
  • Wiper motor assembly failure
  • Ambient sensor failure
  • Harness and connector failure
  • Wiper Relay unit failure
INT operation time does not change if the sensitivity volume switch is operated. Ref. to WIPER AND WASHER SYSTEMS>Auto Wiper System>INSPECTION>INT OPERATION TIME DOES NOT CHANGE IF THE SENSITIVITY VOLUME SWITCH IS OPERATED .
  • Sensor assembly rain failure
  • Combination switch (wiper) failure
  • Body integrated unit failure
  • Harness and connector failure
INT operation intermittent time does not change according to the vehicle speed. Ref. to WIPER AND WASHER SYSTEMS>Auto Wiper System>INSPECTION>INT OPERATION INTERMITTENT TIME DOES NOT CHANGE ACCORDING TO THE VEHICLE SPEED .
  • VDC CM failure
  • Body integrated unit failure
  • Sensor assembly rain failure
Wipers operate when it is not raining. Ref. to WIPER AND WASHER SYSTEMS>Auto Wiper System>INSPECTION>WIPERS OPERATE WHEN IT IS NOT RAINING .
  • Sensor assembly rain failure
  • Body integrated unit failure
  • Combination switch (wiper) failure
  • Harness and connector failure
  • Wiper motor assembly failure
  • Wiper relay unit failure
Front wipers do not operate when washer switch is operated. (Washer fluid injection is normal.) Ref. to WIPER AND WASHER SYSTEMS>Auto Wiper System>INSPECTION>FRONT WIPER DOES NOT OPERATE WHEN WASHER SWITCH IS OPERATED (WASHER FLUID INJECTION IS NORMAL) .
  • Body integrated unit failure
  • Wiper motor assembly failure
  • Harness and connector failure
  • Wiper relay unit failure