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
FL-DOOR WOOFER (OPEN, SHORT, GND - SHORT) [U1601] FL-DOOR WOOFER (VB - SHOR] [U1603]	When any of the following is detected: Sound signal circuit malfunction between BOSE speaker amp. and front door speaker LH. Sound signal circuit malfunction between BOSE speaker amp. and front tweeter LH.	Sound signal circuits between BOSE speaker amp. and front door speaker LH. Refer to DIAGNOSIS PROCEDURE . Sound signal circuits between BOSE speaker amp. and front tweeter LH. Refer to DIAGNOSIS PROCEDURE .
FR-DOOR WOOFER (OPEN, SHORT, GND - SHORT) [U1609] FR-DOOR WOOFER (VB - SHOR) [U160B]	When any of the following is detected: Sound signal circuit malfunction between BOSE speaker amp. and front door speaker RH. Sound signal circuit malfunction between BOSE speaker amp. and front tweeter RH.	Sound signal circuits between BOSE speaker amp. and front door speaker RH. Refer to DIAGNOSIS PROCEDURE . Sound signal circuits between BOSE speaker amp. and front tweeter RH. Refer to DIAGNOSIS PROCEDURE .