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Home >> Saab >> 2011 >> 9-3X Standard >> Repair and Diagnosis >> Electrical >> Horns >> Lighting And Signaling/Horn Systems >> Description and Operation - Control Module/Headlight Adjustment >> AHL control module (664) >> Main task

Main task

The task of the AHL control module is to regulate headlamp beam length. The control module ensures that the headlamps are always angled optimally during acceleration, braking and with different loads. The control system has two load angle sensors located at the front and rear axles, respectively.

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