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Washer Fluid Level Warning Switch Circuit [07/2020 -]: Procedure

  1. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Data List.
    5. Read the Data List according to the display on the Techstream.

      Body Electrical > Combination Meter > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Washer Switch Washer fluid level warning switch OFF or ON OFF: Washer fluid level not low
      ON: Washer fluid level low
      -

      Body Electrical > Combination Meter > Data List 

      Tester Display
      Washer Switch

      Result

      Result Proceed to
      The Data List item changes correctly A
      The Data List item do not change correctly B

    Result: 

    REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE). Refer to  DISASSEMBLY [11/2015 -] 

    Result: 

    See step  2

  2. INSPECT LEVEL WARNING SWITCH ASSEMBLY 

    Refer to INSPECTION [11/2015 -]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE LEVEL WARNING SWITCH ASSEMBLY. Refer to  REMOVAL [11/2015 -] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (LEVEL WARNING SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE) AND BODY GROUND) 
    1. Disconnect the A32 level warning switch assembly connector.
    2. Disconnect the F6 combination meter assembly (meter circuit plate) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A32-1 (S) - F6-16 (WLVL) Always Below 1 Ω
      A32-1 (S) or F6-16 (WLVL) - Body ground Always 10 kΩ or higher
      A32-2 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE). Refer to  DISASSEMBLY [11/2015 -] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR