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Home >> Toyota >> 2021 >> Camry LE, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Safety Connect System - Diagnostic Codes & Symptom Tests (Except Hybrid) >> Safety Connect System >> DTC B15CB-11: Telephone Main Antenna Circuit Short to Ground; DTC B15CB-13: Telephone Main Antenna Circuit Open [10/2020 - ] >> Procedure

DTC B15CB-11: Telephone Main Antenna Circuit Short to Ground; DTC B15CB-13: Telephone Main Antenna Circuit Open [10/2020 - ]: Procedure

  1. CHECK DTC 
    1. Turn the engine switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the engine switch is on (IG) and wait for 10 seconds or more.
    4. Turn the Techstream on.
    5. Clear the DTCs.

      Body Electrical > Telematics > Clear DTCs 

    6. Recheck for DTCs.

      Body Electrical > Telematics > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 08/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2021 - ] 

    Result: 

    NG 

    See step  2

  2. INSPECT TELEPHONE AND GPS ANTENNA ASSEMBLY (for Roof Side) 
    1. Disconnect the telephone and GPS antenna assembly (for Roof Side) connector.
      GTY446643Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Telephone and GPS Antenna Assembly (for Roof Side))
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4 - 4a Always 9 to 11 kΩ

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE TELEPHONE AND GPS ANTENNA ASSEMBLY (for Roof Side). Refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  3

  3. INSPECT TELEPHONE AND GPS ANTENNA CORD (NO. 5 ANTENNA CORD SUB-ASSEMBLY) 
    1. Disconnect the K telephone and GPS antenna cord (No. 5 antenna cord sub-assembly) connector.
      GTY845169Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Telephone and GPS Antenna Cord (No. 5 Antenna Cord Sub-assembly))
    2. Disconnect the J telephone and GPS antenna cord (No. 5 antenna cord sub-assembly) connector.
      GTY981507Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Telephone and GPS Antenna Cord (No. 5 Antenna Cord Sub-assembly))
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K-4 - J-3 Always Below 1 Ω
      K-4 or J-3 - Body ground Always 10 kΩ or higher
      K-4a - J-3a Always Below 1 Ω
      K-4a or J-3a - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE TELEPHONE AND GPS ANTENNA CORD (NO. 5 ANTENNA CORD SUB-ASSEMBLY). Refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  4

  4. INSPECT TELEPHONE AND GPS ANTENNA CORD (NO. 2 ANTENNA CORD SUB-ASSEMBLY) 
    1. Disconnect the I telephone and GPS antenna cord (No. 2 antenna cord sub-assembly) connector.
      GTY1005186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Telephone and GPS Antenna Cord (No. 2 Antenna Cord Sub-assembly))
    2. Disconnect the H telephone and GPS antenna cord (No. 2 antenna cord sub-assembly) connector.
      GTY984265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Telephone and GPS Antenna Cord (No. 2 Antenna Cord Sub-assembly))
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I-3 - H-5 Always Below 1 Ω
      I-3 or H-5 - Body ground Always 10 kΩ or higher
      I-3a - H-5a Always Below 1 Ω
      I-3a or H-5a - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE TELEPHONE AND GPS ANTENNA CORD (NO. 2 ANTENNA CORD SUB-ASSEMBLY). Refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  5

  5. INSPECT TELEPHONE AND GPS ANTENNA CORD (for Type A) 
    1. Disconnect the G telephone and GPS antenna cord (for Type A) connector.
      GTY982437Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Telephone and GPS Antenna Cord (for Type A))
    2. Disconnect the E telephone and GPS antenna cord (for Type A) connector.
      GTY990367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Telephone and GPS Antenna Cord (for Type A))
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G-5 - E-2 Always Below 1 Ω
      G-5 or E-2 - Body ground Always 10 kΩ or higher
      G-5a - E-2a Always Below 1 Ω
      G-5a or E-2a - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE TELEPHONE AND GPS ANTENNA CORD (for Type A). Refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  6

  6. INSPECT TELEPHONE AND GPS ANTENNA CORD (for Type B) 
    1. Disconnect the D telephone and GPS antenna cord (for Type B) connector.
      GTY981527Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Telephone and GPS Antenna Cord (for Type B))
    2. Disconnect the C telephone and GPS antenna cord (for Type B) connector.
      GTY944352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Telephone and GPS Antenna Cord (for Type B))
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D-2 - C-1 Always Below 1 Ω
      D-2 or C-1 - Body ground Always 10 kΩ or higher
      D-2a - C-1a Always Below 1 Ω
      D-2a or C-1a - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE TELEPHONE AND GPS ANTENNA CORD (for Type B). Refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  7

  7. REPLACE DCM (TELEMATICS TRANSCEIVER) 
    1. Replace the DCM (telematics transceiver).

      Refer to REMOVAL [10/2020 - ]

      NOTE:
      • The engine switch must be off.
      • Do not swap the DCM (telematics transceiver) with one from another vehicle.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM DCM ACTIVATION. Refer to  DCM ACTIVATION [09/2019 - ] 

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