DTC B1ACB-71: Front Left Speaker Cable Actuator Stuck [12/2022 - ]: Procedure

1. Confirm the problem symptoms and proceed to the respective link.

   Result

   Result	Proceed to
   No sound is output from the front No. 1 speaker assembly LH or front No. 3 speaker assembly LH	A
   No sound is output from the front No. 2 speaker assembly LH	B

Result: 

B 

See step  8

Result: 

A 

See step  2

Pre-procedure1

• Disconnect the G54 stereo component amplifier assembly connector.
• Disconnect the E19 front No. 1 speaker assembly LH connector.
• Disconnect the D89 front No. 3 speaker assembly LH connector.

• Measure the resistance according to the value(s) in the table below.

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  G54-4 (FL+) - D89-4 (TWL+)	Always	Below 1 Ω	Ω
  G54-19 (FL-) - D89-2 (TWL-)	Always	Below 1 Ω	Ω
  D89-3 (+) - E19-2 (+)	Always	Below 1 Ω	Ω
  D89-1 (-) - E19-1 (-)	Always	Below 1 Ω	Ω

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

Refer to INSPECTION [11/2020 - ]

Result

Result: 

NG 

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY LH. Refer to  REMOVAL [11/2020 - ] 

Result: 

OK 

See step  4

1. Replace the front No. 3 speaker assembly LH with a new or known good one.

   HINT: 

   Refer to REMOVAL [11/2020 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. In accordance with the display of the GTS, perform Speaker Line Electricity Check.

   Body Electrical > Navigation System > Utility 

   Tester Display
   Speaker Line Electricity Check

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

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

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   B1ACA-71 is output	B

Result: 

A 

END (FRONT NO. 3 SPEAKER ASSEMBLY LH IS DEFECTIVE) 

Result: 

B 

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [12/2022 - ] 

Pre-procedure1

• Disconnect the G54 stereo component amplifier assembly connector.
• Disconnect the D83 front No. 2 speaker assembly LH connector.

• Measure the resistance according to the value(s) in the table below.

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  G54-5 (TWL+) - D83-2 (+)	Always	Below 1 Ω	Ω
  G54-20 (TWL-) - D83-1 (-)	Always	Below 1 Ω	Ω

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  9

Refer to INSPECTION [11/2020 - ]

Result

Result: 

NG 

REPLACE FRONT NO. 2 SPEAKER ASSEMBLY LH. Refer to  REMOVAL [11/2020 - ] 

Result: 

OK 

See step  10

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  11

1. In accordance with the display of the GTS, perform Speaker Line Electricity Check.

   Body Electrical > Navigation System > Utility 

   Tester Display
   Speaker Line Electricity Check

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  12

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

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   B1ACB-71 is output	B

Result: 

A 

END 

Result: 

B 

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [12/2022 - ]