DTC Detection Logic

CONSULT Display	DTC Detection Condition	Possible Cause
2L-DOOR SPEAKER (OPEN, SHORT, GND-SHORT) [U1684] 2L-DOOR SPEAKER (VB-SHOR) [U1687]	When any of the following is detected: sound signal circuit malfunction between BOSE speaker amp. and rear door speaker LH. sound signal circuit malfunction between BOSE speaker amp. and rear door tweeter LH.	Sound signal circuits between BOSE speaker amp. and rear door speaker LH. Refer to "DIAGNOSIS PROCEDURE ". Sound signal circuits between BOSE speaker amp. and rear door tweeter LH. Refer to "DIAGNOSIS PROCEDURE ".
2R-DOOR SPEAKER (OPEN, SHORT, GND-SHORT) [U168C] 2R-DOOR SPEAKER (VB-SHOR) [U168F]	When either one of the following items are detected: sound signal circuit malfunction between BOSE speaker amp. and rear door speaker RH. sound signal circuit malfunction between BOSE speaker amp. and rear door tweeter RH.	Sound signal circuits between BOSE speaker amp. and rear door speaker RH. Refer to "DIAGNOSIS PROCEDURE ". Sound signal circuits between BOSE speaker amp. and rear door tweeter RH. Refer to "DIAGNOSIS PROCEDURE ".