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

B003N9PE06

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 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

    GO TO METER / GAUGE SYSTEM Click here

    NG

  2. INSPECT LEVEL WARNING SWITCH ASSEMBLY


    1. Disconnect the A77 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 A77 level warning switch assembly connector.

    2. Disconnect the G8 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A77-1 (S) - G8-17 (WLVL) Always Below 1 Ω
      A77-2 (E) - Body ground Always Below 1 Ω
      A77-1 (S) or G8-17 (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