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Home >> Toyota >> 2017 >> 86 Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System (Auto A/C) - Diagnostic Codes & Circuit Tests >> AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System) >> DTC B14A1/25: Open in Solar Sensor Circuit; DTC B14A2/-25: Short in Solar Sensor Circuit [03/2017 - ] >> Description
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DTC B14A1/25: Open in Solar Sensor Circuit; DTC B14A2/-25: Short in Solar Sensor Circuit [03/2017 - ]: Description

GTY720655Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

The solar sensor (automatic light control sensor) is installed on the upper side of the instrument panel. It detects sunlight to control air conditioning AUTO mode. The output voltage from the solar sensor (automatic light control sensor) varies in accordance with the amount of sunlight. When the sunlight increases, the output voltage increases. As the sunlight decreases, the output voltage decreases. The air conditioning control assembly detects changes in the output voltage from the solar sensor (automatic light control sensor).

DTC No. DTC Detection Condition Trouble Area
B14A1/25 Open in Solar Sensor Circuit
  • Solar sensor (automatic light control sensor)
  • Harness or connector between solar sensor (automatic light control sensor) and air conditioning control assembly
  • Air conditioning control assembly
B14A2/-25 Short in Solar Sensor Circuit
  • Solar sensor (automatic light control sensor)
  • Harness or connector between solar sensor (automatic light control sensor) and air conditioning control assembly
  • Air conditioning control assembly