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Home >> Subaru >> 2020 >> Ascent Limited >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Automatic Light And Wiper System (Diagnostics) >> Inspection Mode >> Procedure >> Inspection Mode 5

Inspection Mode 5

DTC Item Note
B2400 RAIN/LIGHT SENSOR PERFORMANCE -
B2401 SENSOR INSTALLATION INCORRECT -
B2402 SENSOR INITIAL SETTING INCOMPLETE -

Diagnostic procedure:

  1. Check that no bubbles or dirt exists between windshield glass and silicon sheet and rain sensor.
  2. Using the Subaru Select Monitor, perform the clear memory of [Automatic Light and Wiper]. Ref. to COMMON (diag)>CLEAR MEMORY .
  3. Turn the ignition switch to ON.
  4. Perform [Sensor initial setting].
  5. Using the Subaru Select Monitor, read the DTC of [Automatic Light and Wiper] to check that there is no DTC displayed. Ref. to AUTOMATIC LIGHT AND WIPER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step  1.