WIPER AND WASHER SYSTEM Washer Motor Circuit

DESCRIPTION

When the washer motor and pump assembly receives signals from the windshield wiper switch assembly it operates to spray washer fluid from the washer nozzle sub-assemblies.

WIRING DIAGRAM


  1. for Wiper Switch RH Side Type:

    A01RBPRE03

  2. for Wiper Switch LH Side Type:

    A01RBPRE04

PROCEDURE


  1. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Wiper / Data List.

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


      Body Electrical > Wiper > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Washer Switch Washer switch ON position signal ON or OFF

      ON: Front washer switch in ON position

      OFF: Front washer switch not in ON position

      		 -

      Body Electrical > Wiper > Data List
      Tester Display
      Washer Switch
      OK
      The GTS display changes correctly in response to the front washer switch operation.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY Click here

    OK

  2. INSPECT WASHER MOTOR AND PUMP ASSEMBLY


    1. Inspect the washer motor and pump assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE WASHER MOTOR AND PUMP ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (WASHER MOTOR AND PUMP ASSEMBLY - WINDSHIELD WIPER SWITCH ASSEMBLY)


    1. Disconnect the A34 washer motor and pump assembly connector.

    2. Disconnect the J31 windshield wiper switch assembly connector.

    3. Disconnect the J33 windshield wiper switch assembly connector.

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

      Standard Resistance
      for Wiper Switch RH Side Type
      Tester Connection Condition Specified Condition
      J31-5 (WR) - A34-1 Always Below 1 Ω
      J33-7 (WF) - A34-2 Always Below 1 Ω
      J31-5 (WR) or A34-1 - Body ground Always 10 kΩ or higher
      J33-7 (WF) or A34-2 - Body ground Always 10 kΩ or higher
      for Wiper Switch LH Side Type
      Tester Connection Condition Specified Condition
      J31-10 (WR) - A34-1 Always Below 1 Ω
      J33-4 (WF) - A34-2 Always Below 1 Ω
      J31-10 (WR) or A34-1 - Body ground Always 10 kΩ or higher
      J33-4 (WF) or A34-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR