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

DESCRIPTION

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

WIRING DIAGRAM

A011AV6E05

INSPECTION PROCEDURE

PROCEDURE


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


    1. A0119PLE04
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Windshield Wiper Relay Assembly)
      *2

      Front view of wire harness connector

      (to Rain Sensor)

      Disconnect the D41 windshield wiper relay assembly connector.

    2. Disconnect the H2 rain sensor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D41-8 (SIG) - H2-4 (SIG) Always Below 1 Ω
      H2-4 (SIG) - Body ground Always 10 kΩ or higher
      D41-14 (PA1) - H2-3 (AUTO) Always Below 1 Ω
      H2-3 (AUTO) - Body ground Always 10 kΩ or higher
      D41-26 (E) - H2-1 (ES) Always Below 1 Ω
      H2-1 (ES) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT WINDSHIELD WIPER RELAY ASSEMBLY


    1. A01191UE02
      Text in Illustration
      *1

      Component with harness connected

      (Windshield Wiper Relay Assembly)

      Reconnect the windshield wiper relay assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      D41-8 (SIG) - D41-26 (E) Engine Switch on (IG) 11 to 14 V

    NG

    REPLACE WINDSHIELD WIPER RELAY ASSEMBLY Click here

    OK

  3. INSPECT RAIN SENSOR


    1. A0119CCE04
      Text in Illustration
      *1

      Component with harness connected

      (Rain Sensor)

      Reconnect the rain sensor connector.

    2. Connect an oscilloscope to the automatic light control sensor connector.

    3. Check for pulses.

      OK
      Tester Connection Switch Condition Specified Condition
      H2-3 (AUTO) - H2-1 (ES) Engine Switch on (IG) Pulse generation

    NG

    REPLACE RAIN SENSOR Click here

    OK

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