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DTC B2400: Rain/Light Sensor Performance

DTC detecting condition:

Micro computer reset malfunction
EEPROM malfunction
Analog voltage malfunction
Sensor malfunction
Temperature circuit malfunction

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to AUTOMATIC LIGHT AND WIPER (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

CHECK RAIN SENSOR.
1. Turn the ignition switch to OFF.
2. Disconnect the rain sensor connector.
3. Connect the disconnected connectors.
4. Read the DTC of [Automatic Light and Wiper] using the Subaru Select Monitor. Ref. to AUTOMATIC LIGHT AND WIPER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B2400 displayed? (Current malfunction)

Yes : Replace the rain sensor. Ref. to GLASS/WINDOWS/MIRRORS>RAIN SENSOR .

No : Temporary communication timing error has occurred.