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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio / Video System - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2) >> Audio And Visual System >> DTC B15FE-11: XM Tuner Antenna Circuit Short to Ground; DTC B15FE-13: XM Tuner Antenna Circuit Open [10/2022 - 11/2024] >> Procedure

DTC B15FE-11: XM Tuner Antenna Circuit Short to Ground; DTC B15FE-13: XM Tuner Antenna Circuit Open [10/2022 - 11/2024]: Procedure

  1. CHECK CONNECTION OF ANTENNA CABLE 
    1. Check if the roof antenna assembly cable is securely connected to the radio and display receiver assembly.

      OK

      Roof antenna assembly cable is securely connected.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    SECURELY CONNECT ROOF ANTENNA ASSEMBLY 

    Result: 

    OK 

    See step  2

  2. CLEAR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK FOR DTC 
    1. Recheck for DTCs and check that no DTCs are output.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]

    Result: 

    B 

    See step  4

  4. CHECK NO. 4 ANTENNA CORD SUB-ASSEMBLY 

    Pre-procedure1

    1. Disconnect the antenna connector from the roof antenna assembly.
      GTY1121674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Roof antenna assembly)
    2. Disconnect the antenna connector from the No. 3 antenna cord sub-assembly.
      GTY1120640Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 3 antenna cord sub-assembly)

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      E-3 - D-1 Always Below 1 Ω
      E-3a - D-1a Always Below 1 Ω
      E-3 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY 

    Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - 11/2024]

    Result: 

    OK 

    See step  5

  5. CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY 

    Pre-procedure1

    1. Disconnect the antenna connector from the No. 4 antenna cord sub-assembly.
      GTY1120263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 4 Antenna Cord Sub-assembly)
    2. Disconnect the antenna connector from the antenna cord sub-assembly.
      GTY1120579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Antenna Cord Sub-assembly)

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      B-1 - C-1 Always Below 1 Ω
      B-1a - C-1a Always Below 1 Ω
      C-1 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY 

    Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - 11/2024]

    Result: 

    OK 

    See step  6

  6. CHECK ANTENNA CORD SUB-ASSEMBLY 

    Pre-procedure1

    1. Disconnect the antenna connector from the No. 3 antenna cord sub-assembly.
      GTY1120265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 3 antenna cord sub-assembly)
    2. Disconnect the antenna connector from the radio and display receiver assembly.
      GTY1121295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Radio and Display Receiver Assembly)

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      A-1 - XM-1 (XM) Always Below 1 Ω
      A-1a - XM-1a Always Below 1 Ω
      A-1 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPLACE ANTENNA CORD SUB-ASSEMBLY 

    Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - 11/2024]

    Result: 

    OK 

    See step  7

  7. REPLACE ROOF ANTENNA ASSEMBLY 

    Pre-procedure1

    1. Replace the rood antenna assembly with a new or known good one.

      Refer to REMOVAL [12/2019 - ]

    2. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

      Procedure1

    3. Check for DTCs.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

      Post-procedure1

    4. None

    Result: 

    A 

    END (ROOF ANTENNA ASSEMBLY IS DEFECTIVE) 

    Result: 

    B 

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

    Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]

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