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Home >> Saab >> 2004 >> 9-5 Linear, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> SAAB Information Display (SID) - 9-5 >> Technical description >> Filament monitor, front lights >> General

Filament monitor, front lights: General

The SID receives information from the filament monitor concerning the functionality of the headlamps.

The SID supplies B+ to the filament monitor via pin 25. If a headlamp bulb is faulty, the filament monitor output will be grounded.

The SID uses the information to generate a CHECK message (3 seconds delay). CHECK MESSAGES 

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