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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Audio, Visual & Navigation System (DTC/Circuit Diagnosis) (BOSE Audio W/NAVI W/O Surround) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> DTC U1684, U1687, U168C, U168F: Rear Door Speaker/Tweeter >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

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.
CONSULT Display DTC Detection Condition Possible Cause
2L - DOOR SPEAKER (OPEN, SHORT, GND - SHORT)
[U1684]
2L - DOOR SPEAKER (VB - SHOR)
[U1687]		 Sound signal circuit malfunction between BOSE speaker amp. and rear door speaker LH. Sound signal circuits between BOSE speaker amp. and rear door speaker LH.
Refer to DIAGNOSIS PROCEDURE .
2R - DOOR SPEAKER (OPEN, SHORT, GND - SHORT)
[U168C]
2R - DOOR SPEAKER (VB - SHOR)
[U168F]		 Sound signal circuit malfunction between BOSE speaker amp. and rear door speaker RH. Sound signal circuits between BOSE speaker amp. and rear door speaker RH.
Refer to DIAGNOSIS PROCEDURE .
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