LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2015 >> Q60 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (BOSE Audio Without Navigation) (Convertible) >> DTC/Circuit Diagnosis >> DTC U1908, U1909: Headrest Speaker >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC Display contents of CONSULT DTC detection condition Possible malfunction factor
U1908 FL-SEAT L - SPEAKER
[OPEN, SHORT, GND - SHORT or VB - SHOR]
[U1908]
Malfunction is detected sound signal circuits between BOSE amp. and driver headrest speaker LH. Sound signal circuits between BOSE amp. and driver headrest speaker LH.
U1909 FL-SEAT R - SPEAKER
[OPEN, SHORT, GND - SHORT or VB - SHOR]
[U1909]
Malfunction is detected sound signal circuits between BOSE amp. and driver headrest speaker RH. Sound signal circuits between BOSE amp. and driver headrest speaker RH.