Signa see ei ole, see on päikesesensor, millel on küljes ka auto turvasüsteemi (ehk siis immo) LED indikaator (ehk rahvakeeles LED-pirn).
Kui istute autos, siis teie poole paistab vaid see punane LED, aga kui väljast kiikate seda jublakat, siis näete ära ka selle päikesesensori fotodioodi (väikses ümmarguses "augus").
Kuna ei viitsi tõlkima hakata ning eeldan, et enamus meist saab ikka inglise keelest niipalju ikka aru, siis lisan järgnevalt väljavõtte 300M manuaalist (pildi panen eraldi lisana lõppu).
SUN SENSOR
DESCRIPTION
The sun sensor is only used on vehicles equipped
with Automatic Temperature Control (ATC). The sensor
is mounted on the top of the instrument panel
below the instrument panel top cover (Fig. 3).
OPERATION
The sun sensor is not a thermistor type sensor but
rather a photo diode. For this reason the sun sensor
responds to sun light intensity rather than temperature.
It is used to aid in determining proper mode
door position, temperature door position and blower
speed. The sun sensor is also used to sense day/night
conditions for automatic headlight control if so
equipped, and has an LED indicator for the vehicle
security system.
The sun sensor is not serviceable and must be
replaced if found to be defective.
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