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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC B2090-1C: High Beam Assist Control Module [Ignition Power Supply Volt] >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

  1. CHECK POWER SUPPLY CIRCUIT

    Check high beam assist control module power supply circuit. Refer to DIAGNOSIS PROCEDURE .

    Is the inspection result normal?

    YES 

    Replace inside mirror assembly (high beam assist control module). Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair the malfunctioning part.

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