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. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with the power switch off.

      Standard voltage
      11 to 14 V (IG OFF)

      Tech Tips


      • A simple method to determine whether the auxiliary battery is discharged is to operate the horn.

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

    2. Check the fuses and relays.

    3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


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

      Click here

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO LIN COMMUNICATION SYSTEM Click here

    A

  4. PROBLEM SYMPTOMS TABLE


    1. Refer to 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

    ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

    A

  5. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU

      Click here

    2. Inspection


      1. Windshield wiper motor assembly

        Click here

      2. Windshield wiper switch assembly

        Click here

    3. On-vehicle inspection


      1. Windshield wiper motor assembly

        Click here

      2. Windshield wiper switch assembly

        Click here

      3. Windshield washer motor and pump assembly

        Click here

      4. Map light assembly

        Click here

      5. Rain sensor

        Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  7. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END