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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Body Control Module (BCM) - DTCS B106A-19 To B2229-62 - 500 - Electric) >> DTC Troubleshooting >> B163A-13-Front Left Turn Lamp Control - Circuit Open >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

The Body Control Module (BCM) receives an input from the Left Multi-function Switch requesting turn signal lamp illumination. When this message is received, the BCM provides a pulsed voltage output through the Front and Rear Turn Signal Driver circuit. The Turn Signal Driver circuits connect to the single filament Turn Signal Lamps. For additional information on the Turn Signal Lamps operation. Refer to TURN SIGNAL LAMPS .

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