DTC B1ACD-71: Rear Door Left Speaker Cable Actuator Stuck [09/2022 - ]: Procedure

1. Check installed audio system and proceed to the following step.

   Result

   Result	Proceed to
   w/o "Mark Levinson" sound system	A
   w/ "Mark Levinson" sound system	B

Result: 

B 

See step  5

Result: 

A 

See step  2

1. Disconnect the G11 Stereo component amplifier assembly connector.
2. Disconnect the L6*1, M4*2 rear Speaker Assembly LH connector.
   1. *1: w/o Ambient Light, Door Trim Wood Panel Type
   2. *2: w/ Ambient Light, Except Door Trim Wood Panel Type
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (w/o Ambient Light, Door Trim Wood Panel Type)

   Tester Connection	Condition	Specified Condition
   G11-8 (RL+) - L6-2 (+)	Always	Below 1 Ω
   G11-23 (RL-) - L6-1 (-)	Always	Below 1 Ω

   Standard Resistance (w/ Ambient Light, Except Door Trim Wood Panel Type)

   Tester Connection	Condition	Specified Condition
   G11-8 (RL+) - M4-2 (+)	Always	Below 1 Ω
   G11-23 (RL-) - M4-1 (-)	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

Refer to INSPECTION [06/2018 - ]

Result

Result: 

NG 

REPLACE REAR SPEAKER ASSEMBLY LH. Refer to  REMOVAL [06/2018 - ] 

Result: 

OK 

See step  4

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

2. In accordance with the display of the GTS, perform a speaker circuit energization inspection.

   Refer to UTILITY [09/2022 - ]

   Body Electrical > Navigation System > Utility 

   Tester Display
   Speaker Line Electricity Check

3. Check for DTCs and proceed to the following step.

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTC B1ACD-71 is output	B

Result: 

A 

END (REAR SPEAKER ASSEMBLY LH IS DEFECTIVE) 

Result: 

B 

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [09/2022 - ] 

1. Disconnect the G11 stereo component amplifier assembly connector.
2. Disconnect the L6*1, M4*2 rear Speaker Assembly LH connector.
   1. *1: w/o Ambient Light, Door Trim Wood Panel Type
   2. *2: w/ Ambient Light, Except Door Trim Wood Panel Type
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (w/o Ambient Light, Door Trim Wood Panel Type)

   Tester Connection	Condition	Specified Condition
   G11-8 (RL+) - L6-2(+)	Always	Below 1 Ω
   G11-23 (RL-) - L6-1 (-)	Always	Below 1 Ω

   Standard Resistance (w/ Ambient Light, Except Door Trim Wood Panel Type)

   Tester Connection	Condition	Specified Condition
   G11-8 (RL+) - M4-2(+)	Always	Below 1 Ω
   G11-23 (RL-) - M4-1 (-)	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  6

1. Replace the speaker assembly with a new or known good one.

   Refer to REMOVAL [06/2018 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

2. In accordance with the display of the GTS, perform a speaker circuit energization inspection.

   Refer to UTILITY [09/2022 - ]

   Body Electrical > Navigation System > Utility 

   Tester Display
   Speaker Line Electricity Check

3. Check for DTCs and proceed to the following step.

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTC B1ACD-71 is output	B

Result: 

A 

END (REAR SPEAKER ASSEMBLY LH IS DEFECTIVE) 

Result: 

B 

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [09/2022 - ]