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Home >> Infiniti >> 2011 >> G25 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 159 (Audio System, Visual System & Navigation System (BOSE Audio With Navigation) -- G37 Convertible) >> DTC/Circuit Diagnosis >> DTC U121E: Av Control Unit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Infiniti G37. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK PLAYBACK OF A DISK (CD)

    Can a disk (CD) be played? 

    YES: Malfunction may be detected transitory.

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

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