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DTC B15C3: Speaker Output Short [04/2013 - 09/2020]: Procedure

  1. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      for 8 Speakers A
      for 15 Speakers B

    Result: 

    B 

    See step  9

    Result: 

    A 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND) 
    1. Disconnect the P23 stereo component amplifier assembly connector.
    2. Disconnect the K66 DCM (telematics transceiver) connector (w/ Manual (SOS) Switch).
    3. Disconnect the K56 front No. 2 speaker assembly LH connector (w/ Manual (SOS) Switch).
    4. Disconnect the K55 and K56 front No. 2 speaker assembly connectors (w/o Manual (SOS) Switch).
    5. Disconnect the N14 and N29 front No. 1 speaker assembly connectors.
    6. Disconnect the O4 and O9 rear speaker assembly connectors.
    7. Disconnect the P27 rear No. 3 speaker assembly connector.
    8. Disconnect the K57 front No. 3 speaker assembly connector.
    9. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P23-13 (FR+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) - Body ground Always 10 kΩ or higher
      P23-5 (WFR+) - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) - Body ground Always 10 kΩ or higher
      P23-15 (RR+) - Body ground Always 10 kΩ or higher
      P23-30 (RR-) - Body ground Always 10 kΩ or higher
      P23-14 (RL+) - Body ground Always 10 kΩ or higher
      P23-29 (RL-) - Body ground Always 10 kΩ or higher
      P23-6 (WF1+) - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) - Body ground Always 10 kΩ or higher
      P23-7 (CTR+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) - Body ground Always 10 kΩ or higher

      Result

      Result Proceed to
      OK (w/ Manual (SOS) Switch) A
      OK (w/o Manual (SOS) Switch) B
      NG C

    Result: 

    B 

    See step  4

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY RH - BODY GROUND) 
    1. Disconnect the K66 DCM (telematics transceiver) connector.
    2. Disconnect the K55 front No. 2 speaker assembly RH connector.
    3. Measure the resistance between the front No. 2 speaker assembly RH and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K55-2 (+) - Body ground Always 10 kΩ or higher
      K55-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  4

  4. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Remove the front No. 2 speaker assembly.

      Refer to REMOVAL [04/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY459808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front No. 2 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (-) - 2 (+) Always 3.2 to 4.8 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - ] 

    Result: 

    OK 

    See step  5

  5. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 
    1. Remove the front No. 1 speaker assembly.

      Refer to REMOVAL [04/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY460156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front No. 1 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - ] 

    Result: 

    OK 

    See step  6

  6. INSPECT REAR SPEAKER ASSEMBLY 
    1. Remove the rear speaker assembly.

      Refer to REMOVAL [04/2013 - 09/2020]

    2. Measure the resistance according to the value(s) in the table below.
      GTY460155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - 09/2020] 

    Result: 

    OK 

    See step  7

  7. INSPECT REAR NO. 3 SPEAKER ASSEMBLY 
    1. Remove the rear No. 3 speaker assembly.

      Refer to REMOVAL [04/2013 - 08/2015] , or refer to REMOVAL [08/2015 - 09/2020]

    2. Measure the resistance according to the value(s) in the table below.
      GTY460155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear No. 3 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 2.0 to 3.0 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - 08/2015]  , or refer to  REMOVAL [08/2015 - 09/2020] 

    Result: 

    OK 

    See step  8

  8. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY 
    1. Remove the front No. 3 speaker assembly.

      Refer to REMOVAL [04/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY459808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front No. 3 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (-) - 2 (+) Always 4.0 to 6.0 Ω

      Result

      Result Proceed to
      OK (w/ Manual (SOS) Switch) A
      OK (w/o Manual (SOS) Switch) B
      NG C

    Result: 

    A 

    See step  20

    Result: 

    B 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [04/2013 - 08/2015]  , or refer to  REMOVAL [08/2015 - 09/2020] 

    Result: 

    C 

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - ] 

  9. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND) 
    1. Disconnect the P23 stereo component amplifier assembly connector.
    2. Disconnect the K66 DCM (telematics transceiver) connector (w/ Manual (SOS) Switch).
    3. Disconnect the K56 front No. 2 speaker assembly LH connector (w/ Manual (SOS) Switch).
    4. Disconnect the K55 and K56 front No. 2 speaker assembly connectors (w/o Manual (SOS) Switch).
    5. Disconnect the N14 and N29 front No. 1 speaker assembly connectors.
    6. Disconnect the O4 and O9 rear speaker assembly connectors.
    7. Disconnect the P26 and Q40 rear header speaker assembly connectors.
    8. Disconnect the P27 rear No. 3 speaker assembly connector.
    9. Disconnect the K57 front No. 3 speaker assembly connector.
    10. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P23-13 (FR+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) - Body ground Always 10 kΩ or higher
      P23-5 (WFR+) - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) - Body ground Always 10 kΩ or higher
      P23-7 (CTR+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) - Body ground Always 10 kΩ or higher
      P23-15 (RR+) - Body ground Always 10 kΩ or higher
      P23-30 (RR-) - Body ground Always 10 kΩ or higher
      P23-14 (RL+) - Body ground Always 10 kΩ or higher
      P23-29 (RL-) - Body ground Always 10 kΩ or higher
      P23-11 (SR+) - Body ground Always 10 kΩ or higher
      P23-26 (SR-) - Body ground Always 10 kΩ or higher
      P23-10 (SL+) - Body ground Always 10 kΩ or higher
      P23-25 (SL-) - Body ground Always 10 kΩ or higher
      P23-6 (WF1+) - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  10

  10. CHECK HARNESS AND CONNECTOR (REAR SPEAKER ASSEMBLY - BODY GROUND) 
    1. Disconnect the O4 and O9 rear speaker assembly connectors.
    2. Disconnect the O5 and O10 rear No. 2 speaker assembly connectors.
    3. Measure the resistance between each of the rear speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O4-1 - Body ground Always 10 kΩ or higher
      O4-2- Body ground Always 10 kΩ or higher
      O9-1 - Body ground Always 10 kΩ or higher
      O9-2 - Body ground Always 10 kΩ or higher

      Result

      Result Proceed to
      OK (w/ Manual (SOS) Switch) A
      OK (w/o Manual (SOS) Switch) B
      NG C

    Result: 

    B 

    See step  12

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY RH - BODY GROUND) 
    1. Disconnect the K66 DCM (telematics transceiver) connector.
    2. Disconnect the K55 front No. 2 speaker assembly RH connector.
    3. Measure the resistance between the front No. 2 speaker assembly RH and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K55-2 (+) - Body ground Always 10 kΩ or higher
      K55-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  12

  12. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Replace the front No. 2 speaker assembly.

      Refer to REMOVAL [04/2013 - ]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [04/2013 - 06/2014] , or refer to DTC CHECK / CLEAR [06/2014 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 09/2020]

      Body Electrical > Navigation System > Clear DTCs 

    3. Recheck for DTCs and check that no DTCs are output.

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      HINT: 

      • Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.
      • When there is a possibility that either the right or left front No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.
      • Perform the above inspection on both LH and RH sides.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    See step  13

  13. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 
    1. Remove the front No. 1 speaker assembly.

      Refer to REMOVAL [04/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY460155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front No. 1 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 4.3 to 6.3 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - ] 

    Result: 

    OK 

    See step  14

  14. REPLACE FRONT NO. 3 SPEAKER ASSEMBLY 
    1. Replace the front No. 3 speaker assembly.

      Refer to REMOVAL [04/2013 - ]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [04/2013 - 06/2014] , or refer to DTC CHECK / CLEAR [06/2014 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 09/2020]

      Body Electrical > Navigation System > Clear DTCs 

    3. Recheck for DTCs and check that no DTCs are output.

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      HINT: 

      Connect the connector to the front No. 3 speaker assembly that was disconnected.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    See step  15

  15. INSPECT REAR SPEAKER ASSEMBLY 
    1. Remove the rear speaker assembly.

      Refer to REMOVAL [04/2013 - 09/2020]

    2. Measure the resistance according to the value(s) in the table below.
      GTY460155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.6 to 5.6 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - 09/2020] 

    Result: 

    OK 

    See step  16

  16. INSPECT REAR NO. 2 SPEAKER ASSEMBLY 
    1. Remove the rear No. 2 speaker assembly.

      Refer to REMOVAL [04/2013 - 09/2020]

    2. Measure the resistance according to the value(s) in the table below.
      GTY466063Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear No. 2 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 (+TW) - 1 (-TW) Always 10 kΩ or higher
      3 (+TW) - 4 (+) Always Below 1 Ω
      1 (-TW) - 2 (-) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - 09/2020] 

    Result: 

    OK 

    See step  17

  17. REPLACE REAR NO. 2 SPEAKER ASSEMBLY 
    1. Replace the rear No. 2 speaker assembly.

      Refer to REMOVAL [04/2013 - 09/2020]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [04/2013 - 06/2014] , or refer to DTC CHECK / CLEAR [06/2014 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 09/2020]

      Body Electrical > Navigation System > Clear DTCs 

    3. Recheck for DTCs and check that no DTCs are output.

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      HINT: 

      • Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.
      • When there is a possibility that either the right or left rear No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.
      • Perform the above inspection on both LH and RH sides.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    See step  18

  18. INSPECT REAR HEADER SPEAKER ASSEMBLY 
    1. Remove the rear header speaker assembly.

      Refer to REMOVAL [04/2013 - 08/2015] , or refer to REMOVAL [08/2015 - 09/2020]

    2. Measure the resistance according to the value(s) in the table below.
      GTY467376Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear Header Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 7.0 to 10.6 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR HEADER SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - 08/2015]  , or refer to  REMOVAL [08/2015 - 09/2020] 

    Result: 

    OK 

    See step  19

  19. INSPECT REAR NO. 3 SPEAKER ASSEMBLY 
    1. Remove the rear No. 3 speaker assembly.

      Refer to REMOVAL [04/2013 - 08/2015] , or refer to REMOVAL [08/2015 - 09/2020]

    2. Measure the resistance according to the value(s) in the table below.
      GTY460155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear No. 3 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 5.0 to 7.0 Ω

      Result

      Result Proceed to
      OK (w/ Manual (SOS) Switch) A
      OK (w/o Manual (SOS) Switch) B
      NG C

    Result: 

    B 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [04/2013 - 08/2015]  , or refer to  REMOVAL [08/2015 - 09/2020] 

    Result: 

    C 

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [04/2013 - 08/2015]  , or refer to  REMOVAL [08/2015 - 09/2020] 

    Result: 

    A 

    See step  20

  20. INSPECT DCM (TELEMATICS TRANSCEIVER) 
    1. Remove the DCM (telematics transceiver).

      Refer to REMOVAL [04/2013 - 10/2017] , or refer to REMOVAL [10/2017 - 09/2020]

    2. Measure the resistance according to the value(s) in the table below.
      GTY450683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (DCM (Telematics Transceiver))

      Standard Resistance

      Tester Connection Condition Specified Condition
      2 (SPI+) - 5 (SPO+) Always Below 1 Ω
      3 (SPI-) - 6 (SPO-) Always Below 1 Ω
      2 (SPI+) - 3 (SPI-) Always 10 kΩ or higher
      5 (SPO+) - 6 (SPO-) Always 10 kΩ or higher
      2 (SPI+) - Body ground Always 10 kΩ or higher
      3 (SPI-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [04/2013 - 08/2015]  , or refer to  REMOVAL [08/2015 - 09/2020] 

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [04/2013 - 10/2017]  , or refer to  REMOVAL [10/2017 - 09/2020] 

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