Solar Radiation Sensor Inspection

1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
2. Remove the following parts:
   1. Center speaker grille (See SPEAKER GRILLE REMOVAL/INSTALLATION .)
   2. Front center speaker (See FRONT CENTER SPEAKER REMOVAL/INSTALLATION .)
3. Remove the solar radiation sensor. (See SOLAR RADIATION SENSOR REMOVAL/INSTALLATION .)
4. Shine a fluorescent light or expose the solar radiation sensor to natural sunlight.
5. Connect the positive (+) lead to terminal A and negative (-) lead to terminals B, C of the solar radiation sensor, and verify that the voltage value is output.

Courtesy of MAZDA MOTORS CORP.

• If the voltage is 0 V, replace the solar radiation sensor. (See SOLAR RADIATION SENSOR REMOVAL/INSTALLATION .)