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Home >> Subaru >> 2003 >> Outback Base, 4D Sedan >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Mechanism & Function >> Automatic Air Conditioning >> SUNLOAD Sensor

SUNLOAD Sensor

A photodiode is used in the sunload sensor. The photodiode detects changes in the sunbeam intensity and converts the results into current signals to send to the ECM.

The sunload sensor is built into the front defroster grille.

Fig 1: Identifying Sunload Sensor Circuit And Graph
G02077321Courtesy of SUBARU OF AMERICA, INC.