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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic HVAC Systems >> Circuit Inspection >> DTC 21 Solar Sensor Circuit >> Circuit Description

Circuit Description

A photo diode in the solar sensor detects solar radiation and sends signals to the A/C control assembly.

Fig 1: Detecting Solar Radiation & Sending Signals To A/C Control Assembly
G01051344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Defining DTC 21 Solar Sensor Circuit
G01051345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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