WIPER AND WASHER SYSTEM Washer Fluid Level Warning Switch Circuit

DESCRIPTION

The front controller receives washer fluid level warning switch information, and sends it through CAN line to the combination meter. The combination meter receives this information, and turns on the washer fluid level warning switch when the washer fluid becomes low.

WIRING DIAGRAM

A01GWFTE02

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (WASHER FLUID LEVEL WARNING SWITCH)


    1. Check the Data List for proper functioning of the washer fluid level warning switch.

      Body No. 5:
      Tester Display Measurement Item / Range Normal Condition Diagnostic Note
      Washer Level Switch Washer fluid level warning switch / ON or OFF

      ON: Washer jar and tank is empty

      OFF: Washer jar and tank is full

      		 -
      OK
      The display is as specified in the normal condition.

    NG

    INSPECT WASHER FLUID LEVEL WARNING SWITCH Click here

    OK

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  2. INSPECT WASHER FLUID LEVEL WARNING SWITCH


    1. A01H1WWE07

      Disconnect the A2 switch connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      1 (SLR+) - 2 (E) Washer jar and tank is empty Below 1 Ω
      1 (SLR+) - 2 (E) Washer jar and tank is full 10 kΩ or higher

    NG

    REPLACE WASHER FLUID LEVEL WARNING SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (WARNING SWITCH - FRONT CONTROLLER AND BODY GROUND)


    1. A01H1P7E02

      Disconnect the A2 switch connector.

    2. Disconnect the A52 Front controller connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      A2-1 (SLR+) - A52-13 (WLVL) Always Below 1 Ω
      A2-2 (E) - Body ground
      A2-1 (SLR+) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE FRONT CONTROLLER