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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Audio / Video System (For 12.3 Inch Display) - Diagnostic Codes (1 Of 2)) >> AUDIO AND VISUAL SYSTEM (for 12.3 Inch Display) >> DTC B15C3-71: Speaker Output Short Actuator Stuck [09/2022 - ] >> Procedure

DTC B15C3-71: Speaker Output Short Actuator Stuck [09/2022 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 300h, 2024 Lexus ES 250, 2023 Lexus ES 350, and 2023 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK OPTIONAL COMPONENTS 
    1. Check installed audio system and proceed to the following step.

      Result

      Result Proceed to
      w/o "Mark Levinson" sound system and w/ DCM (Telematics Transceiver) A
      w/o "Mark Levinson" sound system and w/o DCM (Telematics Transceiver) B
      w/ "Mark Levinson" sound system and w/ DCM (Telematics Transceiver) C
      w/ "Mark Levinson" sound system and w/o DCM (Telematics Transceiver) D

    Result: 

    See step  11

    Result: 

    See step  18

    Result: 

    See step  29

    Result: 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - EACH SPEAKER, DCM (TELEMATICS TRANSCEIVER)) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the J2 front No. 1 speaker assembly RH connector.
    3. Disconnect the J19 front No. 1 speaker assembly LH connector.
    4. Disconnect the G78 front No. 2 speaker assembly RH connector.
    5. Disconnect the G79 front No. 2 speaker assembly LH connector.
    6. Disconnect the H6 front No. 3 speaker assembly connector.
    7. Disconnect the M1 rear speaker assembly RH connector.
    8. Disconnect the L6*1, M4*2 rear speaker assembly LH connector.
    9. Disconnect the N75 speaker assembly with bracket connector.
    10. Disconnect the G129 DCM (telematics transceiver) connector.
    11. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-4 (WFL+) or J19-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-5 (WFR+) or J2-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-6 (WF1+) or N75-2 (WF1+) - Body ground Always 10 kΩ or higher
      G11-7 (CTR+) or H6-2 (+) - Body ground Always 10 kΩ or higher
      G11-8 (RL+) or L6-2 (+) - Body ground*1 Always 10 kΩ or higher
      G11-8 (RL+) or M4-2 (+) - Body ground*2 Always 10 kΩ or higher
      G11-9 (RR+) or M1-2 (+) - Body ground Always 10 kΩ or higher
      G11-12 (FL+) or G79-2 (+) - Body ground Always 10 kΩ or higher
      G11-13 (FR+) or G129-1 (SPI+) - Body ground Always 10 kΩ or higher
      G11-19 (WFL-) or J19-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-20 (WFR-) or J2-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-21 (WF1-) or N75-1 (WF1-) - Body ground Always 10 kΩ or higher
      G11-22 (CTR-) or H6-1 (-) - Body ground Always 10 kΩ or higher
      G11-23 (RL-) or L6-1 (-) - Body ground*1 Always 10 kΩ or higher
      G11-23 (RL-) or M4-1 (-) - Body ground*2 Always 10 kΩ or higher
      G11-24 (RR-) or M1-1 (-) - Body ground Always 10 kΩ or higher
      G11-27 (FL-) or G79-1 (-) - Body ground Always 10 kΩ or higher
      G11-28 (FR-) or G129-2 (SPI-) - Body ground Always 10 kΩ or higher

      *1: w/o Ambient Light, Door Trim Wood Panel Type*2: w/ Ambient Light, Except Door Trim Wood Panel Type

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the G78 front No. 2 speaker assembly RH connector
    2. Disconnect the G129 DCM (telematics transceiver) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G129-3 (SPO+) or G78-2 (+) - Body ground Always 10 kΩ or higher
      G129-4 (SPO-) or G78-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Result: 

    OK 

    See step  4

  4. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  5

  5. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2021 - ] 

    Result: 

    OK 

    See step  6

  6. INSPECT REAR SPEAKER ASSEMBLY 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  7

  7. INSPECT SPEAKER ASSEMBLY WITH BRACKET 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SPEAKER ASSEMBLY WITH BRACKET. Refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  8

  8. INSPECT DCM (TELEMATICS TRANSCEIVER) 
    1. Remove the DCM (telematics transceiver).
      GTY1068103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (DCM (Telematics Transceiver))

      Refer to REMOVAL [09/2022 - ]

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

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  9

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

      Refer to REMOVAL [08/2021 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  10

  10. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

    2. Turn the ignition switch off.
    3. Check for DTCs and proceed to the following step.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC B15C3-71 is output B

    Result: 

    END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [09/2022 - ] 

  11. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - EACH SPEAKER) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the J2 front No. 1 speaker assembly RH connector.
    3. Disconnect the J19 front No. 1 speaker assembly LH connector.
    4. Disconnect the G78 front No. 2 speaker assembly RH connector.
    5. Disconnect the G79 front No. 2 speaker assembly LH connector.
    6. Disconnect the H6 front No. 3 speaker assembly connector.
    7. Disconnect the M1 rear speaker assembly RH connector.
    8. Disconnect the L6*1, M4*2 rear speaker assembly LH connector.
    9. Disconnect the N75 speaker assembly with bracket connector.
    10. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-4 (WFL+) or J19-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-5 (WFR+) or J2-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-6 (WF1+) or N75-2 (WF1+) - Body ground Always 10 kΩ or higher
      G11-7 (CTR+) or H6-2 (+) - Body ground Always 10 kΩ or higher
      G11-8 (RL+) or L6-2 (+) - Body ground*1 Always 10 kΩ or higher
      G11-8 (RL+) or M4-2 (+) - Body ground*2 Always 10 kΩ or higher
      G11-9 (RR+) or M1-2 (+) - Body ground Always 10 kΩ or higher
      G11-12 (FL+) or G79-2 (+) - Body ground Always 10 kΩ or higher
      G11-13 (FR+) or G78-2 (+) - Body ground Always 10 kΩ or higher
      G11-19 (WFL-) or J19-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-20 (WFR-) or J2-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-21 (WF1-) or N75-1 (WF1-) - Body ground Always 10 kΩ or higher
      G11-22 (CTR-) or H6-1 (-) - Body ground Always 10 kΩ or higher
      G11-23 (RL-) or L6-1 (-) - Body ground*1 Always 10 kΩ or higher
      G11-23 (RL-) or M4-1 (-) - Body ground*2 Always 10 kΩ or higher
      G11-24 (RR-) or M1-1 (-) - Body ground Always 10 kΩ or higher
      G11-27 (FL-) or G79-1 (-) - Body ground Always 10 kΩ or higher
      G11-28 (FR-) or G78-1 (-) - Body ground Always 10 kΩ or higher

      *1: w/o Ambient Light, Door Trim Wood Panel Type*2: w/ Ambient Light, Except Door Trim Wood Panel Type

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Result: 

    OK 

    See step  12

  12. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  13

  13. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2021 - ] 

    Result: 

    OK 

    See step  14

  14. INSPECT REAR SPEAKER ASSEMBLY 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  15

  15. INSPECT SPEAKER ASSEMBLY WITH BRACKET 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SPEAKER ASSEMBLY WITH BRACKET. Refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  16

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

      Refer to REMOVAL [08/2021 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  17

  17. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

    2. Turn the ignition switch off.
    3. Check for DTCs and proceed to the following step.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC B15C3-71 is output B

    Result: 

    END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [09/2022 - ] 

  18. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - EACH SPEAKER, DCM (TELEMATICS TRANSCEIVER)) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the J2 front No. 1 speaker assembly RH connector.
    3. Disconnect the J19 front No. 1 speaker assembly LH connector.
    4. Disconnect the G79 front No. 2 speaker assembly LH connector.
    5. Disconnect the G78 front No. 2 speaker assembly RH connector.
    6. Disconnect the H6 front No. 3 speaker assembly connector.
    7. Disconnect the J1 front No. 4 speaker assembly RH connector.
    8. Disconnect the J18 front No. 4 speaker assembly LH connector.
    9. Disconnect the M1 rear speaker assembly RH connector.
    10. Disconnect the L6*1, M4*2 rear speaker assembly LH connector.
    11. Disconnect the N75 speaker assembly with bracket connector.
    12. Disconnect the G129 DCM (telematics transceiver) connector.
    13. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-4 (WFL+) or J19-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-5 (WFR+) or J2-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-6 (WF1+) or N75-2 (WF1+) - Body ground Always 10 kΩ or higher
      G11-7 (CTR+) or H6-2 (+) - Body ground Always 10 kΩ or higher
      G11-8 (RL+) or L6-2 (+) - Body ground*1 Always 10 kΩ or higher
      G11-8 (RL+) or M4-2 (+) - Body ground*2 Always 10 kΩ or higher
      G11-9 (RR+) or M1-2 (+) - Body ground Always 10 kΩ or higher
      G11-10 (TWL+) or J18-2 (+) - Body ground Always 10 kΩ or higher
      G11-11 (TWR+) or J1-2 (+) - Body ground Always 10 kΩ or higher
      G11-12 (FL+) or G79-2 (+) - Body ground Always 10 kΩ or higher
      G11-13 (FR+) or G129-1 (SPI+) - Body ground Always 10 kΩ or higher
      G11-19 (WFL-) or J19-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-20 (WFR-) or J2-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-21 (WF1-) or N75-1 (WF1-) - Body ground Always 10 kΩ or higher
      G11-22 (CTR-) or H6-1 (-) - Body ground Always 10 kΩ or higher
      G11-23 (RL-) or L6-1 (-) - Body ground*1 Always 10 kΩ or higher
      G11-23 (RL-) or M4-1 (-) - Body ground*2 Always 10 kΩ or higher
      G11-24 (RR-) or M1-1 (-) - Body ground Always 10 kΩ or higher
      G11-25 (TWL-) or J18-1 (-) - Body ground Always 10 kΩ or higher
      G11-26 (TWR-) or J1-1 (-) - Body ground Always 10 kΩ or higher
      G11-27 (FL-) or G79-1 (-) - Body ground Always 10 kΩ or higher
      G11-28 (FR-) or G129-2 (SPI-) - Body ground Always 10 kΩ or higher

      *1: w/o Ambient Light, Door Trim Wood Panel Type*2: w/ Ambient Light, Except Door Trim Wood Panel Type

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Result: 

    OK 

    See step  19

  19. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the G78 front No. 2 speaker assembly RH connector.
    2. Disconnect the G129 DCM (telematics transceiver) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G129-3 (SPO+) or G78-2 (+) - Body ground Always 10 kΩ or higher
      G129-4 (SPO-) or G78-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Result: 

    OK 

    See step  20

  20. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  21

  21. INSPECT SPEAKER ASSEMBLY WITH BRACKET 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SPEAKER ASSEMBLY WITH BRACKET. Refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  22

  22. INSPECT DCM (TELEMATICS TRANSCEIVER) 
    1. Disconnect the DCM (telematics transceiver) connector.
      GTY1068103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (DCM (Telematics Transceiver))
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  23

  23. REPLACE FRONT NO. 4 SPEAKER ASSEMBLY 
    1. Replace the No. 4 speaker assembly with a new or known good one.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  24

  24. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

    2. Turn the ignition switch off.
    3. Check for DTCs and proceed to the following step.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC B15C3-71 is output B

    Result: 

    END (FRONT NO. 4 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    See step  25

  25. REPLACE FRONT NO. 3 SPEAKER ASSEMBLY 
    1. Replace the front No. 3 speaker assembly with a new or known good one.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  26

  26. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

    2. Turn the ignition switch off.
    3. Check for DTCs and proceed to the following step.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC B15C3-71 is output B

    Result: 

    END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    See step  27

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

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  28

  28. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

    2. Turn the ignition switch off.
    3. Check for DTCs and proceed to the following step.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC B15C3-71 is output B

    Result: 

    END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [09/2022 - ] 

  29. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - EACH SPEAKER) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the J2 front No. 1 speaker assembly RH connector.
    3. Disconnect the J19 front No. 1 speaker assembly LH connector.
    4. Disconnect the G79 front No. 2 speaker assembly LH connector.
    5. Disconnect the G78 front No. 2 speaker assembly RH connector.
    6. Disconnect the H6 front No. 3 speaker assembly connector.
    7. Disconnect the J1 front No. 4 speaker assembly RH connector.
    8. Disconnect the J18 front No. 4 speaker assembly LH connector.
    9. Disconnect the M1 rear speaker assembly RH connector.
    10. Disconnect the L6*1, M4*2 rear speaker assembly LH connector.
    11. Disconnect the N75 speaker assembly with bracket connector.
    12. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-4 (WFL+) or J19-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-5 (WFR+) or J2-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-6 (WF1+) or N75-2 (WF1+) - Body ground Always 10 kΩ or higher
      G11-7 (CTR+) or H6-2 (+) - Body ground Always 10 kΩ or higher
      G11-8 (RL+) or L6-2 (+) - Body ground*1 Always 10 kΩ or higher
      G11-8 (RL+) or M4-2 (+) - Body ground*2 Always 10 kΩ or higher
      G11-9 (RR+) or M1-2 (+) - Body ground Always 10 kΩ or higher
      G11-10 (TWL+) or J18-2 (+) - Body ground Always 10 kΩ or higher
      G11-11 (TWR+) or J1-2 (+) - Body ground Always 10 kΩ or higher
      G11-12 (FL+) or G79-2 (+) - Body ground Always 10 kΩ or higher
      G11-13 (FR+) or G78-2 (+) - Body ground Always 10 kΩ or higher
      G11-19 (WFL-) or J19-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-20 (WFR-) or J2-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-21 (WF1-) or N75-1 (WF1-) - Body ground Always 10 kΩ or higher
      G11-22 (CTR-) or H6-1 (-) - Body ground Always 10 kΩ or higher
      G11-23 (RL-) or L6-1 (-) - Body ground*1 Always 10 kΩ or higher
      G11-23 (RL-) or M4-1 (-) - Body ground*2 Always 10 kΩ or higher
      G11-24 (RR-) or M1-1 (-) - Body ground Always 10 kΩ or higher
      G11-25 (TWL-) or J18-1 (-) - Body ground Always 10 kΩ or higher
      G11-26 (TWR-) or J1-1 (-) - Body ground Always 10 kΩ or higher
      G11-27 (FL-) or G79-1 (-) - Body ground Always 10 kΩ or higher
      G11-28 (FR-) or G78-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Result: 

    OK 

    See step  30

  30. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  31

  31. INSPECT SPEAKER ASSEMBLY WITH BRACKET 

    Refer to INSPECTION [06/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SPEAKER ASSEMBLY WITH BRACKET. Refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  32

  32. REPLACE FRONT NO. 4 SPEAKER ASSEMBLY 
    1. Replace the No. 4 speaker assembly with a new or known good one.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  33

  33. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

    2. Turn the ignition switch off.
    3. Check for DTCs and proceed to the following step.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC B15C3-71 is output B

    Result: 

    END (FRONT NO. 4 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    See step  34

  34. REPLACE FRONT NO. 3 SPEAKER ASSEMBLY 
    1. Replace the front No. 3 speaker assembly with a new or known good one.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  35

  35. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

    2. Turn the ignition switch off.
    3. Check for DTCs and proceed to the following step.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC B15C3-71 is output B

    Result: 

    END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    See step  36

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

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  37

  37. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

    2. Turn the ignition switch off.
    3. Check for DTCs and proceed to the following step.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC B15C3-71 is output B

    Result: 

    END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to  REMOVAL [09/2022 - ]