WIPER AND WASHER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use the following procedure to troubleshoot the wiper and washer system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT
  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

    Result
    Proceed to
    NEXT

    NEXT
  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

    NEXT
  4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the GTS to check if the CAN communication system is functioning normally.

      for LHD: Click here

      for RHD: Click here

      Result
      Result Proceed to
      CAN DTC is not output (w/ Rain Sensor) A
      CAN DTC is not output (w/o Rain Sensor) B
      CAN DTC is output (for LHD) C
      CAN DTC is output (for RHD) D

    B
    C
    D
    A
  5. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM


    1. Check if the LIN communication system is functioning normally.

      Click here

      Result
      Result Proceed to
      LIN communication system is functioning normally A
      LIN communication system is not functioning normally B

    B
    A
  6. PROBLEM SYMPTOMS TABLE


    1. Refer to the Problem Symptoms Table.

      Click here

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

    B
    A
  7. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU.

      Click here

    2. Fail-safe chart.

      Click here

      Result
      Proceed to
      NEXT

    NEXT
  8. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT
  9. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT