740 L4-2320cc 2.3L DOHC B234F (Can) (1992)
Solar Sensor: Description and Operation
Sun Load Sensor (Solar Sensor):
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The solar sensor is a photocell which measures the incident sunlight. The device can compensate the interior temperature by a maximum of 3 °
C (5 °F).
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The system functions even if a sensor is faulty. To prevent the entire unit from being disabled if a sensor becomes faulty, the system is
programmed to continue operating in a more or less normal manner in this event. However, it will react more slowly and will control the
temperature less precisely.
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The A/C button, however, will not flash to indicate the presence of a solar sensor fault.