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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 255 (Audio System, Visual System & Navigation System (BOSE Audio With Navigation) -- G37 Convertible) >> DTC/Circuit Diagnosis >> DTC U1908, U1909: Headrest Speaker >> 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. PERFORM THE SELF-DIAGNOSIS
    1. Delete the "self-diagnosis" results of "MULTI AV". Turn ignition switch OFF.
    2. Turn ignition switch ON. perform the self-diagnosis again.
    3. Check that the DTC is detected again.

      Is any DTC detected? 

      YES-1: U1908: Check harnesses between BOSE amp. and driver headrest speaker LH.

      YES-2: U1909: Check harnesses between BOSE amp. and driver headrest speaker RH.

      NO: Refer to General Information article. Refer to "INTERMITTENT INCIDENT ".