LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2017 >> Sienna LE, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System / Washer System (W/ Rain Sensor) - Diagnostics & Circuit Tests >> WIPER AND WASHER SYSTEM(w/ Rain Sensor) >> How To Proceed With Troubleshooting [12/2015 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

How To Proceed With Troubleshooting [12/2015 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. INSPECT BATTERY VOLTAGE 

    Standard Voltage

    11 to 14 V

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

    Result

    Proceed to
    NEXT

    Result: 

    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 Symptoms Table B

    Result: 

    See step  6

    Result: 

    See step  5

  5. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Terminals of ECU (Refer to TERMINALS OF ECU [12/2015 - ] )
    2. Fail-safe chart (Refer to FAIL-SAFE CHART [12/2015 - ] )
    3. Inspection
    4. On-vehicle inspection

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. ADJUST, REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END