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Home >> Infiniti >> 2011 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio System, Visual System & Navigation System (BOSE Audio With Navigation) -- G37 Convertible >> DTC/Circuit Diagnosis >> DTC U121C: Av Control Unit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK MUSIC BOX FUNCTION

    Is music box function normal? 

    YES: Malfunction may be detected transitory.

    NO: Replace AV control unit. Refer to "EXPLODED VIEW ".

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