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

  1. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 3 SPEAKER ASSEMBLY LH) 

    Pre-procedure1

    1. Disconnect the M37 stereo component amplifier assembly connector.
    2. Disconnect the W23 rear No. 3 speaker assembly LH connector.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      M37-10 (SL+) - W23-2 Always Below 1 Ω
      M37-25 (SL-) - W23-1 Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. INSPECT REAR NO. 3 SPEAKER ASSEMBLY LH 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY LH. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK FOR DTC 
    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 [10/2022 - ]

      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 B1ADD-71 is output B

    Result: 

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

    Result: 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [12/2019 - ]