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DTC B15C3: Speaker Output Short [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  7

    Result:  1

    A 

    See step  2

  2. 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 according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F114-1 (FR+) or G1-4 (+) - Body ground Always 10 kΩ or higher
      F114-5 (FR-) or G1-2 (-) - Body ground Always 10 kΩ or higher
      F114-2 (FL+) or G5-4 (+) - Body ground Always 10 kΩ or higher
      F114-6 (FL-) or G5-2 (-) - Body ground Always 10 kΩ or higher
      F115-1 (RR+) or J4-1 - Body ground Always 10 kΩ or higher
      F115-3 (RR-) J4-2 - Body ground Always 10 kΩ or higher
      F115-2 (RL+) or K4-1 - Body ground Always 10 kΩ or higher
      F115-6 (RL-) or K4-2 - 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  3

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      G1-3 (+) or H3-1 - Body ground Always 10 kΩ or higher
      G1-1 (-) or H3-2 - Body ground Always 10 kΩ or higher
      G5-3 (+) or I3-1 - Body ground Always 10 kΩ or higher
      G5-1 (-) or I3-2 - 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  4

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

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

    Result:  1

    OK 

    See step  5

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [11/2016 - ]

    3. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [11/2016 - ]

      Body Electrical > Navigation System > Clear DTCs 

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

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    END 

    Result:  2

    NG 

    See step  6

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the rear speaker assembly.

      Refer to INSPECTION [02/2014 - ]

      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 - ] 

  7. 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  11

    Result:  1

    A 

    See step  8

  8. 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 according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F75-15 (FR+) or H3-1 - Body ground Always 10 kΩ or higher
      F75-30 (FR-) or H3-2 - Body ground Always 10 kΩ or higher
      F75-11 (FL+) or I3-1 - Body ground Always 10 kΩ or higher
      F75-26 (FL-) or I3-2 - Body ground Always 10 kΩ or higher
      F75-10 (CTR+) or G3-2- Body ground Always 10 kΩ or higher
      F75-25 (CTR-) or G3-1 - Body ground Always 10 kΩ or higher
      F75-12 (RR+) or J4-1 - Body ground Always 10 kΩ or higher
      F75-27 (RR-) or J4-2 - Body ground Always 10 kΩ or higher
      F75-4 (RL+) or K4-1 - Body ground Always 10 kΩ or higher
      F75-19 (RL-) or K4-2 - Body ground Always 10 kΩ or higher
      F75-9 (SR+) or X23-2 - Body ground Always 10 kΩ or higher
      F75-24 (SR-) or X23-1 - Body ground Always 10 kΩ or higher
      F75-5 (SL+) or X5-2 - Body ground Always 10 kΩ or higher
      F75-20 (SL-) or X5-1 - Body ground Always 10 kΩ or higher
      F75-14 (TWR+) or F35-2 (SPI+) - Body ground Always 10 kΩ or higher
      F75-29 (TWR-) or F35-3 (SPI-) - Body ground Always 10 kΩ or higher
      F75-13 (TWL+) or G6-4 (TWL+) - Body ground Always 10 kΩ or higher
      F75-28 (TWL-) or G6-3 (TWL-) - Body ground Always 10 kΩ or higher
      F75-8 (WF1+) or X26-4 (WF1+) - Body ground Always 10 kΩ or higher
      F75-23 (WF1-) or X26-3 (WF1-) - Body ground Always 10 kΩ or higher
      F75-7 (WF2+) or X26-2 (WF2+) - Body ground Always 10 kΩ or higher
      F75-22 (WF2-) or X26-1 (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  9

  9. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND) 
    1. Disconnect the F35 DCM (telematics transceiver) connector.
    2. Disconnect the G2 front No. 2 speaker assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F35-5 (SPO+) or G2-4 (TWR+) - Body ground Always 10 kΩ or higher
      F35-6 (SPO-) or G2-3 (TWR-) - 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  10

  10. 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  12

    Result:  2

    NG 

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

  11. 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 according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F75-15 (FR+) or H3-1 - Body ground Always 10 kΩ or higher
      F75-30 (FR-) or H3-2 - Body ground Always 10 kΩ or higher
      F75-11 (FL+) or I3-1 - Body ground Always 10 kΩ or higher
      F75-26 (FL-) or I3-2 - Body ground Always 10 kΩ or higher
      F75-10 (CTR+) or G3-2 - Body ground Always 10 kΩ or higher
      F75-25 (CTR-) or G3-1 - Body ground Always 10 kΩ or higher
      F75-12 (RR+) or J4-1 - Body ground Always 10 kΩ or higher
      F75-27 (RR-) or J4-2 - Body ground Always 10 kΩ or higher
      F75-4 (RL+) or K4-1 - Body ground Always 10 kΩ or higher
      F75-19 (RL-) or K4-2 - Body ground Always 10 kΩ or higher
      F75-9 (SR+) or X23-2 - Body ground Always 10 kΩ or higher
      F75-24 (SR-) or X23-1 - Body ground Always 10 kΩ or higher
      F75-5 (SL+) or X5-2 - Body ground Always 10 kΩ or higher
      F75-20 (SL-) or X5-1 - Body ground Always 10 kΩ or higher
      F75-14 (TWR+) or G2-4 (TWR+) - Body ground Always 10 kΩ or higher
      F75-29 (TWR-) or G2-3 (TWR-) - Body ground Always 10 kΩ or higher
      F75-13 (TWL+) or G6-4 (TWL+) - Body ground Always 10 kΩ or higher
      F75-28 (TWL-) or G6-3 (TWL-) - Body ground Always 10 kΩ or higher
      F75-8 (WF1+) or X26-4 (WF1+) - Body ground Always 10 kΩ or higher
      F75-23 (WF1-) or X26-3 (WF1-) - Body ground Always 10 kΩ or higher
      F75-7 (WF2+) or X26-2 (WF2+) - Body ground Always 10 kΩ or higher
      F75-22 (WF2-) or X26-1 (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  12

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

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

    Result:  1

    OK 

    See step  13

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the front No. 3 speaker assembly.

      Refer to INSPECTION [11/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

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

    Result:  1

    OK 

    See step  14

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the rear speaker assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

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

    Result:  1

    OK 

    See step  15

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

      Refer to REMOVAL [11/2016 - ]

    2. Inspect the rear No. 3 speaker assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

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

    Result:  1

    OK 

    See step  16

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [11/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

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

    Result:  1

    OK 

    See step  17

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

      Refer to REMOVAL [11/2016 - ]

    2. Inspect the rear No. 2 speaker assembly.

      Refer to INSPECTION [02/2014 - ]

      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 [11/2016 - ] 

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