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WIPER DIAGNOSIS PowerPoint Presentation
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WIPER DIAGNOSIS

WIPER DIAGNOSIS

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WIPER DIAGNOSIS

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  1. WIPER DIAGNOSIS CHAPTER 11 LAB MANUAL

  2. WIPER PROBLEMS • NO OPERATION • INTERMITTENT OPERATION • CONTINOUS OPERATION • WIPER WILL NOT PARK • MECHANICAL DEFECT

  3. DIAGNOSTIC STRATEGY • USE WIRING DIAGRAMS • DETERMINE IF ELECTRICAL OR MECHANICAL PROBLEMS • USE PROCESS OF ELIMINATION BY OPERATING OTHER SYSTEM CIRCUITS • FAMILIARIZE WITH OPERATION

  4. NO OPERATION IN ONE SPEED ONLY • USE KNOWLEDGE OF SYSTEM TO ELIMINATE POSSIBLE PROBLEMS

  5. WIPERS WILL NOT PARK • MOST COMMON COMPLAINT • PARK SWITCH COULD BE FAULTY L391

  6. REPLACING WIPER MOTOR • CAUTION!!!! WIPER MOTORS = CONTINOUS BATTERY POWER! • DISCONNECT WIPER ARMS • REMOVE COWL PANELS 11-5L

  7. WIPER SWITCH TESTING 11-13L

  8. WIPER SWITCH REPLACEMENT 11-17L

  9. INTERMITTENT WIPER SYSTEM DIAGNOSIS