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Home >> Toyota >> 2023 >> Prius XLE >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System - Diagnostic Codes (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 [12/2022 - ] >> Procedure

DTC B15FE-11: XM Tuner Antenna Circuit Short to Ground; DTC B15FE-13: XM Tuner Antenna Circuit Open [12/2022 - ]: 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 

    Pre-procedure1

    • Turn the ignition switch off.
    • 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
      B15FE-11 or B15FE-13 is output B

    Post-procedure1

    • None

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2022 - ] 

    Result: 

    B 

    See step  4

  4. CHECK ANTENNA CORD SUB-ASSEMBLY (for Roof) 

    Pre-procedure1

    • Disconnect the antenna connector from the roof antenna assembly.
      GTY1149700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector (to Roof Antenna Assembly)
      *b Front view of wire harness connector (to antenna cord sub-assembly (for Roof))
    • Disconnect the antenna connector from the No. 3 antenna cord sub-assembly.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      A-3 - B-6 Always Below 1 Ω Ω
      A-3a - B-6a Always Below 1 Ω Ω
      A-3 - Body ground Always 10 kΩ or higher kΩ

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None

    Result: 

    NG 

    REPLACE ANTENNA CORD SUB-ASSEMBLY (for Roof). Refer to  REMOVAL [12/2022 - 03/2023]  , or refer to  REMOVAL [03/2023 - ] 

    Result: 

    OK 

    See step  5

  5. CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY 

    Pre-procedure1

    • Disconnect the antenna connector from the antenna cord sub-assembly (for Roof).
      GTY1151313Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Antenna Cord Sub-assembly (for Roof))
      *b Front view of wire harness connector
      (to Antenna Cord Sub-assembly (for Instrument Panel))
    • Disconnect the antenna connector from the antenna cord sub-assembly (for Instrument Panel).
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      B-6 - C-3 Always Below 1 Ω Ω
      B-6a - C-3a Always Below 1 Ω Ω
      B-6 - Body ground Always 10 kΩ or higher kΩ

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None

    Result: 

    NG 

    REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY. Refer to  REMOVAL [12/2022 - 03/2023]  , or refer to  REMOVAL [03/2023 - ] 

    Result: 

    OK 

    See step  6

  6. CHECK ANTENNA CORD SUB-ASSEMBLY 

    Pre-procedure1

    • Disconnect the antenna connector from the No. 3 antenna cord sub-assembly.
      GTY1149810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 3 antenna cord sub-assembly)
      *b Front view of wire harness connector
      (to Radio and Display Receiver Assembly)
    • Disconnect the antenna connector from the radio and display receiver assembly.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      C-3 - D-1 (SXM) Always Below 1 Ω Ω
      C-3a - D-1a Always Below 1 Ω Ω
      C-3 - Body ground Always 10 kΩ or higher kΩ

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None

    Result: 

    NG 

    REPLACE ANTENNA CORD SUB-ASSEMBLY (for Instrument Panel). Refer to  REMOVAL [12/2022 - 03/2023]  , or refer to  REMOVAL [03/2023 - ] 

    Result: 

    OK 

    See step  7

  7. REPLACE ROOF ANTENNA ASSEMBLY 
    1. Replace the roof antenna assembly with a new or known good one.

      HINT: 

      Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. CLEAR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  9

  9. CHECK DTC 

    Pre-procedure1

    • Turn the ignition switch off.
    • 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
      B15FE-11 or B15FE-13 is output B

    Post-procedure1

    • None

    Result: 

    A 

    END (ROOF ANTENNA ASSEMBLY IS DEFECTIVE) 

    Result: 

    B 

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [12/2022 - ] 

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