WIPER AND WASHER SYSTEM Washer Fluid Level Warning Switch Circuit

DESCRIPTION

When the washer fluid level is lower than a certain level, a warning message is displayed on the combination meter assembly.

WIRING DIAGRAM

B000QGDE05

CAUTION / NOTICE / HINT

Note

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

PROCEDURE


  1. READ VALUE USING GTS


    1. Read the Data List according to the display on the GTS.

      Click here


      Body Electrical > Combination Meter > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Washer Switch Level warning switch assembly state ON or OFF

      ON: Washer fluid level low

      OFF: Washer fluid level not low

      		 -

      Body Electrical > Combination Meter > Data List
      Tester Display
      Washer Switch
      OK
      The GTS display changes correctly in response to the washer fluid level.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

  2. INSPECT LEVEL WARNING SWITCH ASSEMBLY


    1. Disconnect the A16 level warning switch assembly connector.

    2. Inspect the level warning switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE LEVEL WARNING SWITCH ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (LEVEL WARNING SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the A16 level warning switch assembly connector.

    2. Disconnect the P25 combination meter assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      A16-1 (S) - P25-16 (WLVL) Always Below 1 Ω
      A16-2 (E) - Body ground Always Below 1 Ω
      A16-1 (S) or P25-16 (WLVL) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR