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DTC B15C3: Speaker Output Short [02/2014 - 11/2016]: Procedure

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

      Result

      Result Proceed to
      for 6 Speakers A
      for 12 Speakers B

    Result:  3

    B 

    See step  13

    Result:  1

    A 

    See step  2

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

      Result

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

    Result:  2

    B 

    See step  7

    Result:  1

    A 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BODY GROUND) 
    1. Disconnect the F114 and F115 navigation receiver assembly connectors.
    2. Disconnect the F35 DCM (telematics transceiver) connector.
    3. Disconnect the G5 front No. 2 speaker assembly LH connector.
    4. Disconnect the J4 and K4 rear speaker assembly connectors.
    5. Measure the resistance between the navigation receiver assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F114-1 (FR+) - Body ground Always 10 kΩ or higher
      F114-5 (FR-) - Body ground Always 10 kΩ or higher
      F114-2 (FL+) - Body ground Always 10 kΩ or higher
      F114-6 (FL-) - Body ground Always 10 kΩ or higher
      F115-1 (RR+) - Body ground Always 10 kΩ or higher
      F115-3 (RR-) - Body ground Always 10 kΩ or higher
      F115-2 (RL+) - Body ground Always 10 kΩ or higher
      F115-6 (RL-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND) 
    1. Disconnect the F35 DCM (telematics transceiver) connector.
    2. Disconnect the G1 front No. 2 speaker assembly RH connector.
    3. Measure the resistance between the DCM (telematics transceiver) and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F35-5 (SPO+) - Body ground Always 10 kΩ or higher
      F35-6 (SPO-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  3

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND) 
    1. Disconnect the H3 and I3 front No. 1 speaker assembly connectors.
    2. Disconnect the G1 and G5 front No. 2 speaker assembly connectors.
    3. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G1-3 (+) - Body ground Always 10 kΩ or higher
      G1-1 (-) - Body ground Always 10 kΩ or higher
      G5-3 (+) - Body ground Always 10 kΩ or higher
      G5-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  3

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  6

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

      Refer to REMOVAL [02/2014 - ]

    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:  1

    OK 

    See step  9

    Result:  2

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [02/2014 - ] 

  7. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BODY GROUND) 
    1. Disconnect the F114 and F115 navigation receiver assembly connectors.
    2. Disconnect the G1 and G5 front No. 2 speaker assembly connectors.
    3. Disconnect the J4 and K4 rear speaker assembly connectors.
    4. Measure the resistance between the navigation receiver assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F114-1 (FR+) - Body ground Always 10 kΩ or higher
      F114-5 (FR-) - Body ground Always 10 kΩ or higher
      F114-2 (FL+) - Body ground Always 10 kΩ or higher
      F114-6 (FL-) - Body ground Always 10 kΩ or higher
      F115-1 (RR+) - Body ground Always 10 kΩ or higher
      F115-3 (RR-) - Body ground Always 10 kΩ or higher
      F115-2 (RL+) - Body ground Always 10 kΩ or higher
      F115-6 (RL-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND) 
    1. Disconnect the H3 and I3 front No. 1 speaker assembly connectors.
    2. Disconnect the G1 and G5 front No. 2 speaker assembly connectors.
    3. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G1-3 (+) - Body ground Always 10 kΩ or higher
      G1-1 (-) - Body ground Always 10 kΩ or higher
      G5-3 (+) - Body ground Always 10 kΩ or higher
      G5-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  3

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  9

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

      Refer to REMOVAL [02/2014 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY451014Courtesy 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:  2

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  1

    OK 

    See step  10

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

      Refer to REMOVAL [02/2014 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY447188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front No. 2 Speaker Assembly)

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  1

    OK 

    See step  11

  11. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Replace the front No. 2 speaker assembly with a new or known good one.

      Refer to REMOVAL [02/2014 - ]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [02/2014 - 11/2015] Refer to DTC CHECK / CLEAR [11/2015 - 11/2016]

      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 the LH and RH side.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    END 

    Result:  2

    NG 

    See step  12

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

      Refer to REMOVAL [02/2014 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY451014Courtesy 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:  1

    OK 

    REPLACE NAVIGATION RECEIVER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  2

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

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

      Result

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

    Result:  2

    B 

    See step  17

    Result:  1

    A 

    See step  14

  14. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND) 
    1. Disconnect the F75 stereo component amplifier assembly connector.
    2. Disconnect the F35 DCM (telematics transceiver) connector.
    3. Disconnect the I3 front No. 1 speaker assembly LH connector.
    4. Disconnect the G3 front No. 3 speaker assembly connector.
    5. Disconnect the J4 and K4 rear speaker assembly connectors.
    6. Disconnect the X23 and X5 rear No. 3 speaker assembly connectors.
    7. Disconnect the G2 and G6 front No. 2 speaker assembly connectors.
    8. Disconnect the X26 rear No. 2 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
      F75-15 (FR+) - Body ground Always 10 kΩ or higher
      F75-30 (FR-) - Body ground Always 10 kΩ or higher
      F75-11 (FL+) - Body ground Always 10 kΩ or higher
      F75-26 (FL-) - Body ground Always 10 kΩ or higher
      F75-10 (CTR+) - Body ground Always 10 kΩ or higher
      F75-25 (CTR-) - Body ground Always 10 kΩ or higher
      F75-12 (RR+) - Body ground Always 10 kΩ or higher
      F75-27 (RR-) - Body ground Always 10 kΩ or higher
      F75-4 (RL+) - Body ground Always 10 kΩ or higher
      F75-19 (RL-) - Body ground Always 10 kΩ or higher
      F75-9 (SR+) - Body ground Always 10 kΩ or higher
      F75-24 (SR-) - Body ground Always 10 kΩ or higher
      F75-5 (SL+) - Body ground Always 10 kΩ or higher
      F75-20 (SL-) - Body ground Always 10 kΩ or higher
      F75-14 (TWR+) - Body ground Always 10 kΩ or higher
      F75-29 (TWR-) - Body ground Always 10 kΩ or higher
      F75-13 (TWL+) - Body ground Always 10 kΩ or higher
      F75-28 (TWL-) - Body ground Always 10 kΩ or higher
      F75-8 (WF1+) - Body ground Always 10 kΩ or higher
      F75-23 (WF1-) - Body ground Always 10 kΩ or higher
      F75-7 (WF2+) - Body ground Always 10 kΩ or higher
      F75-22 (WF2-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  15

  15. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND) 
    1. Disconnect the F35 DCM (telematics transceiver) connector.
    2. Disconnect the H3 front No. 1 speaker assembly RH connector.
    3. Measure the resistance between the DCM (telematics transceiver) and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F35-5 (SPO+) - Body ground Always 10 kΩ or higher
      F35-6 (SPO-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  3

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  16

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

      Refer to REMOVAL [02/2014 - ]

    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:  1

    OK 

    See step  18

    Result:  2

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [02/2014 - ] 

  17. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND) 
    1. Disconnect the F75 stereo component amplifier assembly connector.
    2. Disconnect the H3 and I3 front No. 1 speaker assembly connectors.
    3. Disconnect the G3 front No. 3 speaker assembly connector.
    4. Disconnect the J4 and K4 rear speaker assembly connectors.
    5. Disconnect the X23 and X5 rear No. 3 speaker assembly connectors.
    6. Disconnect the G2 and G6 front No. 2 speaker assembly connectors.
    7. Disconnect the X26 rear No. 2 speaker assembly connector.
    8. 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
      F75-15 (FR+) - Body ground Always 10 kΩ or higher
      F75-30 (FR-) - Body ground Always 10 kΩ or higher
      F75-11 (FL+) - Body ground Always 10 kΩ or higher
      F75-26 (FL-) - Body ground Always 10 kΩ or higher
      F75-10 (CTR+) - Body ground Always 10 kΩ or higher
      F75-25 (CTR-) - Body ground Always 10 kΩ or higher
      F75-12 (RR+) - Body ground Always 10 kΩ or higher
      F75-27 (RR-) - Body ground Always 10 kΩ or higher
      F75-4 (RL+) - Body ground Always 10 kΩ or higher
      F75-19 (RL-) - Body ground Always 10 kΩ or higher
      F75-9 (SR+) - Body ground Always 10 kΩ or higher
      F75-24 (SR-) - Body ground Always 10 kΩ or higher
      F75-5 (SL+) - Body ground Always 10 kΩ or higher
      F75-20 (SL-) - Body ground Always 10 kΩ or higher
      F75-14 (TWR+) - Body ground Always 10 kΩ or higher
      F75-29 (TWR-) - Body ground Always 10 kΩ or higher
      F75-13 (TWL+) - Body ground Always 10 kΩ or higher
      F75-28 (TWL-) - Body ground Always 10 kΩ or higher
      F75-8 (WF1+) - Body ground Always 10 kΩ or higher
      F75-23 (WF1-) - Body ground Always 10 kΩ or higher
      F75-7 (WF2+) - Body ground Always 10 kΩ or higher
      F75-22 (WF2-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  18

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

      Refer to REMOVAL [02/2014 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY451014Courtesy 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 4.6 to 6.6 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  1

    OK 

    See step  19

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

      Refer to REMOVAL [02/2014 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY440688Courtesy 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 6.8 to 10.2 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  1

    OK 

    See step  20

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

      Refer to REMOVAL [02/2014 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY451014Courtesy 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 5.2 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  1

    OK 

    See step  21

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

      Refer to REMOVAL [02/2014 - 11/2016]

    2. Measure the resistance according to the value(s) in the table below.
      GTY440688Courtesy 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 6.8 to 10.2 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - 11/2016] 

    Result:  1

    OK 

    See step  22

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

      Refer to REMOVAL [02/2014 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY435208Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for RH
      *B for LH
      *a Component without harness connected
      (Front No. 2 Speaker Assembly)

      Standard Resistance (for RH)

      Tester Connection Condition Specified Condition
      4 (TWR+) - 3 (TWR-) Always 3.4 to 5.2 Ω

      Standard Resistance (for LH)

      Tester Connection Condition Specified Condition
      4 (TWL+) - 3 (TWL-) Always 3.4 to 5.2 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  1

    OK 

    See step  23

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

      Refer to REMOVAL [02/2014 - 11/2016]

    2. Measure the resistance according to the value(s) in the table below.
      GTY441392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear No. 2 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (WF2-) - 2 (WF2+) Always 4.8 to 6.8 Ω
      3 (WF1-) - 4 (WF1+) Always 4.8 to 6.8 Ω

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  2

    NG 

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [02/2014 - 11/2016] 

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