WIPER AND WASHER SYSTEM Washer Fluid Level Warning Switch Circuit

DESCRIPTION

When the volume of washer fluid decreases to below a certain level (when the level warning switch assembly is turned on), the multi-information display warns the driver by displaying a message.

WIRING DIAGRAM

B002IZ8E03

CAUTION / NOTICE / HINT

Note

When replacing the combination meter assembly, make sure to replace it with a new one.

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 condition ON/OFF

      ON: Fluid volume is less than 600 to 800 cc (36.6 to 48.8 cu.in.)

      OFF: Fluid volume is more than 600 to 800 cc (36.6 to 48.8 cu.in.)

      -

      Body Electrical > Combination Meter > Data List
      Tester Display
      Washer Switch
      OK
      On the GTS screen, ON or OFF is displayed accordingly.
      Result
      Proceed to
      OK
      NG

    OK
    NG
  2. INSPECT LEVEL WARNING SWITCH ASSEMBLY


    1. Disconnect the A22 level warning switch assembly connector.

    2. Inspect the level warning switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

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


    1. Disconnect the A22 level warning switch assembly connector.

    2. Disconnect the I10 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A22-1 (S) - I10-16 (WLVL) Always Below 1 Ω
      A22-2 (E) - Body ground Always Below 1 Ω
      A22-1 (S) or I10-16 (WLVL) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG