WIPER AND WASHER SYSTEM(w/ Rain Sensor) Rain Sensor Circuit

DESCRIPTION

The windshield wiper relay receives a signal from the rain sensor to control the auto wiper system.

WIRING DIAGRAM

A004SRWE03
*a LIN Communication Line
*b Rain Sensor
*c Windshield Wiper Relay

PROCEDURE


  1. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      LIN DTC is not output A
      LIN DTC is output B

    B

    GO TO LIN COMMUNICATION SYSTEM Click here

    A

  2. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY - RAIN SENSOR)


    1. A004Q2GE02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Windshield Wiper Relay)
      *2

      Front view of wire harness connector

      (to Rain Sensor)

      Disconnect the D60 relay connector.

    2. Disconnect the K5 sensor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D60-13 (SIG) - K5-3 (SIG) Always Below 1 Ω
      K5-3 (SIG) - Body ground Always 10 kΩ or higher
      D60-7 (ES) - K5-2 (ES) Always Below 1 Ω
      K5-2 (ES) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT WINDSHIELD WIPER RELAY ASSEMBLY


    1. A004TIRE02
      Text in Illustration
      *1

      Component with harness connected

      (Windshield Wiper Relay)

      for LHD:

      Remove the wiper relay with its connector still connected Click here.

    2. for RHD:

      Remove the wiper relay with its connector still connected Click here.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      D60-13 (SIG) - D60-7 (ES) Ignition switch ON 11 to 14 V
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    B

    REPLACE WINDSHIELD WIPER RELAY ASSEMBLY Click here

    C

    REPLACE WINDSHIELD WIPER RELAY ASSEMBLY Click here