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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio / Video System - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2) >> Audio And Visual System >> DTC B1AD0-71: Center Speaker Cable Actuator Stuck [12/2022 - ] >> Procedure

DTC B1AD0-71: Center Speaker Cable Actuator Stuck [12/2022 - ]: Procedure

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

    Pre-procedure1

    • Disconnect the G54 stereo component amplifier assembly connector.
    • Disconnect the D59 front No. 3 speaker assembly CTR connector.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      G54-13 (CTR+) - D59-2 (+) Always Below 1 Ω Ω
      G54-28 (CTR-) - D59-1 (-) 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

  2. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY CTR 

    Refer to INSPECTION [11/2020 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY CTR. Refer to  REMOVAL [11/2020 - ] 

    Result: 

    OK 

    See step  3

  3. CLEAR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. SPEAKER LINE ELECTRICITY CHECK 
    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  5

  5. CHECK FOR DTC 
    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
      B1AD0-71 is output B

    Result: 

    END 

    Result: 

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