DTC B1ADD-71: D-Pillar Rear Left Speaker Cable Actuator Stuck [10/2022 - ]: Procedure

Pre-procedure1

• Disconnect the C31 stereo component amplifier assembly connector.
• Disconnect the H162 rear 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
  C31-14 (ML+) - H162-2 (+)	Always	Below 1 Ω	Ω
  C31-29 (ML-) - H162-1 (-)	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  2

1. Replace the rear No. 2 speaker assembly LH with a new or known good one.

   HINT: 

   Refer to REMOVAL [10/2022 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

Pre-procedure1

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

  HINT: 

  Refer to UTILITY [10/2022 - ]

  Body Electrical > Navigation System > Utility 

  Tester Display
  Speaker Line Electricity Check

• Check for DTCs and proceed to the following step.

  Body Electrical > Navigation System > Trouble Codes 

  Result

  Result	Proceed to
  DTCs are not output	A
  B1ADD-71 is output	B

Post-procedure1

• None

Result: 

A 

END (REAR NO. 2 SPEAKER ASSEMBLY LH IS DEFECTIVE) 

Result: 

B 

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [10/2022 - 08/2023]  , or refer to  REMOVAL [08/2023 - ]