LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System / Washer System - Diagnostics - Introduction >> Wiper And Washer System >> How To Proceed With Troubleshooting [09/2014 - 03/2019] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

How To Proceed With Troubleshooting [09/2014 - 03/2019]: 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 
    1. Measure the 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. CHECK CAN COMMUNICATION SYSTEM* 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [09/2014 - 08/2016] , or refer to DIAGNOSIS SYSTEM [08/2016 - 11/2017] , or refer to DIAGNOSIS SYSTEM [11/2017 - 03/2019]

      Result

      Result Proceed to
      CAN communication DTCs are not output. A
      CAN communication DTCs are output. B

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] 

    Result: 

    See step  5

  5. CHECK FOR DTC* 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [09/2014 - 03/2019] 

      Result

      Result Proceed to
      DTCs are not output. A
      DTCs are output. B

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 03/2019]  

    Result: 

    See step  6

  6. PROBLEM SYMPTOMS TABLE 
    1. Refer to Problem Symptoms Table.

      Refer to PROBLEM SYMPTOMS TABLE [09/2014 - 03/2019] 

      Result

      Result Proceed to
      Fault is not listed in Problem Symptoms Table. A
      Fault is listed in Problem Symptoms Table. B

    Result: 

    GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2014 - 03/2019]  

    Result: 

    See step  7

  7. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Terminals of ECU

      Refer to TERMINALS OF ECU [09/2014 - 03/2019] 

    2. Inspection
    3. On-vehicle inspection

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. ADJUST, REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  9

  9. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END