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Home >> Lexus >> 2021 >> UX 200 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> (Navigation System) (Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2)) >> (Navigation System) >> DTC B1ADF-71: Sub Woofer Speaker Cable Actuator Stuck [07/2022 - ] >> Procedure

DTC B1ADF-71: Sub Woofer Speaker Cable Actuator Stuck [07/2022 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - NO. 1 SPEAKER WITH BOX ASSEMBLY) 
    1. Disconnect the F12 stereo component amplifier assembly connector.
    2. Disconnect the N91 No. 1 speaker with box assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F12-6 (WF1+) - N91-2 (WF1+) Always Below 1 Ω
      F12-21 (WF1-) - N91-1 (WF1-) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. INSPECT NO. 1 SPEAKER WITH BOX ASSEMBLY 

    Refer to INSPECTION [10/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE NO. 1 SPEAKER WITH BOX ASSEMBLY. Refer to  REMOVAL [07/2022 - ] 

    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 [07/2022 - ]

      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 B1ADF71 is output B

    Result: 

    END (NO. 1 SPEAKER WITH BOX ASSEMBLY IS DEFECTIVE) 

    Result: 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [07/2022 - ]