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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Audio, Visual & Navigation System (DTC/Circuit Diagnosis) (BOSE Audio W/NAVI W/O Surround) (Except Hybrid) (1 Of 2)) >> DTC/Circuit Diagnosis >> DTC U121D: Av Control Unit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK CD PLAYBACK

    Check the CD playback operation of the AV control unit. Refer to Owner's Manual for audio system operating instructions.

    Is the CD playback function of the AV control unit operating normally?

    YES 

    Refer to INTERMITTENT INCIDENT .

    NO 

    Replace AV control unit. Refer to REMOVAL AND INSTALLATION .

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