RAIN SENSOR ON-VEHICLE INSPECTION

PROCEDURE

  1. INSPECT RAIN SENSOR

    1. E267170C01

      *a

      Front view of wire harness connector

      (to Rain Sensor)

      Disconnect the rain sensor connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      4 (SIG) - Body ground

      Ignition switch ON

      11 to 14 V

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      2 (ES) - Body ground

      Always

      Below 1 Ω

      If the result is not as specified, repair or replace the harness or connector.

    4. Reconnect the rain sensor connector.

    5. Connect an oscilloscope to the rain sensor connector.

    6. E257042C01

      *a

      Component with harness connected

      (Rain Sensor)

      Check for pulses.

      Table 1. OK

      Tester Connection

      Condition

      Specified Condition

      1 (MPX) - 2 (ES)

      Ignition switch ON

      Pulse generation

      If the result is not as specified, replace the rain sensor.