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Home >> Lexus >> 2017 >> ES 300h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System / Washer System (Diagnostics & Circuit Tests) >> Wiper And Washer System >> How To Proceed With Troubleshooting [07/2015 - ] >> Procedure

How To Proceed With Troubleshooting [07/2015 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK 

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  3

  3. INSPECT AUXILIARY BATTERY VOLTAGE 
    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  4

  4. PROBLEM SYMPTOMS TABLE 

    Result

    Result Proceed to
    Fault is not listed in problem symptoms table A
    Fault is listed in problem symptom stable B

    Result:  2

    B 

    See step  6

    Result:  1

    A 

    See step  5

  5. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Terminals of ECU. Refer to TERMINALS OF ECU [07/2015 - ] 
    2. Inspection
    3. On-vehicle inspection

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  6

  6. ADJUST, REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  7

  7. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    END 

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