LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> G37 Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 51 (Audio System, Visual System & Navigation System (BOSE Audio With Navigation) -- G37 Convertible) >> DTC/Circuit Diagnosis >> DTC U190A, U190B: Headrest Speaker >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
DTC DETECTION LOGIC CHART

DTC Display contents of CONSULT-III DTC detection condition Possible malfunction factor
U190A FR-SEAT L-SPEAKER [OPEN, SHORT, GND-SHORT or VB-SHOR] [U190A] Malfunction is detected sound signal circuits between BOSE amp. and passenger headrest speaker LH. Sound signal circuits between BOSE amp. and passenger headrest speaker LH.
U190B FR-SEAT R-SPEAKER [OPEN, SHORT, GND-SHORT or VB-SHOR] [U190B] Malfunction is detected sound signal circuits between BOSE amp. and passenger headrest speaker RH. Sound signal circuits between BOSE amp. and passenger headrest speaker RH.