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Speaker Circuit [10/2019 - 08/2021]: Procedure

WARNING: This page is about a different car, the 2022 Lexus ES 300h, 2021 Lexus ES 300h, 2020 Lexus ES 300h, and 2019 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      for 10 Speakers A
      for 17 Speakers B

    Result: 

    B 

    See step  16

    Result: 

    A 

    See step  2

  2. CHECK SPEAKER (OPERATION CHECK) 
    1. Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.
      GTY802357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to OPERATION CHECK [10/2019 - 08/2021]

    2. Perform the operation check above and determine the speaker that is not operating.

      Result

      Not Operating Speaker Proceed to
      Front No. 2 speaker assembly (w/ Manual (SOS) Switch) A
      Front No. 2 speaker assembly (w/o Manual (SOS) Switch) B
      Front No. 1 speaker assembly C
      Front No. 3 speaker assembly D
      Rear speaker assembly E
      Speaker assembly with bracket F

      HINT: 

      If sound cannot be heard from any speaker, inspect all of them.

    Result: 

    B 

    See step  6

    Result: 

    C 

    See step  8

    Result: 

    D 

    See step  10

    Result: 

    E 

    See step  12

    Result: 

    F 

    See step  14

    Result: 

    A 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the G129 DCM (telematics transceiver) connector.
    3. Disconnect the G78 and G79 front No. 2 speaker assembly connectors.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-13 (FR+) - G129-1 (SPI+) Always Below 1 Ω
      G11-28 (FR-) - G129-2 (SPI-) Always Below 1 Ω
      G129-3 (SPO+) - G78-2 (+) Always Below 1 Ω
      G129-4 (SPO-) - G78-1 (-) Always Below 1 Ω
      G11-12 (FL+) - G79-2 (+) Always Below 1 Ω
      G11-27 (FL-) - G79-1 (-) Always Below 1 Ω
      G11-13 (FR+) or G129-1 (SPI+) - Body ground Always 10 kΩ or higher
      G11-28 (FR-) or G129-2 (SPI-) - Body ground Always 10 kΩ or higher
      G11-12 (FL+) or G79-2 (+) - Body ground Always 10 kΩ or higher
      G11-27 (FL-) or G79-1 (-) - Body ground Always 10 kΩ or higher
      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 OR CONNECTOR 

    Result: 

    OK 

    See step  4

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

      Refer to REMOVAL [06/2018 - 08/2021]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    See step  5

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

      Refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022]

    2. Measure the resistance according to the value(s) in the table below.
      GTY843487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (DCM (Telematics Transceiver))

      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+) - 2 (SPI-) Always 10 kΩ or higher
      3 (SPO+) - 4 (SPO-) Always 10 kΩ or higher
      2 (SPI-) or 4 (SPO-) - Body ground Always 10 kΩ or higher
      1 (SPI+) or 3 (SPO+) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 09/2022] 

  6. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the G78 and G79 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
      G11-13 (FR+) - G78-2 (+) Always Below 1 Ω
      G11-28 (FR-) - G78-1 (-) Always Below 1 Ω
      G11-12 (FL+) - G79-2 (+) Always Below 1 Ω
      G11-27 (FL-) - G79-1 (-) Always Below 1 Ω
      G11-13 (FR+) or G78-2 (+) - Body ground Always 10 kΩ or higher
      G11-28 (FR-) or G78-1 (-) - Body ground Always 10 kΩ or higher
      G11-12 (FL+) or G79-2 (+) - Body ground Always 10 kΩ or higher
      G11-27 (FL-) or G79-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  7

  7. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Remove the front No. 2 speaker assembly.

      Refer to REMOVAL [06/2018 - 08/2021]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

  8. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the J2 and J19 front No. 1 speaker assembly connectors.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-5 (WFR+) - J2-2 (WF+) Always Below 1 Ω
      G11-20 (WFR-) - J2-1 (WF-) Always Below 1 Ω
      G11-4 (WFL+) - J19-2 (WF+) Always Below 1 Ω
      G11-19 (WFL-) - J19-1 (WF-) Always Below 1 Ω
      G11-5 (WFR+) or J2-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-20 (WFR-) or J2-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-4 (WFL+) or J19-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-19 (WFL-) or J19-1 (WF-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  9

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

      Refer to REMOVAL [06/2018 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

    Result: 

    NG 

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

  10. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the H6 front No. 3 speaker assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-7 (CTR+) - H6-2 (+) Always Below 1 Ω
      G11-22 (CTR-) - H6-1 (-) Always Below 1 Ω
      G11-7 (CTR+) or H6-2 (+) - Body ground Always 10 kΩ or higher
      G11-22 (CTR-) or H6-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  11

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

      Refer to REMOVAL [06/2018 - 08/2021]

    2. Inspect the front No. 3 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

    Result: 

    NG 

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [06/2018 - 08/2021] 

  12. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the M1 and L6 rear speaker assembly connectors. (Door Trim Wood Panel Type, w/o Ambient Light)
    3. Disconnect the M1 and M4 rear speaker assembly connectors. (Except Door Trim Wood Panel Type)
    4. Disconnect the M1 and M4 rear speaker assembly connectors. (w/ Ambient Light)
    5. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-9 (RR+) - M1-2 (+) Always Below 1 Ω
      G11-24 (RR-) - M1-1 (-) Always Below 1 Ω
      G11-8 (RL+) - L6-2 (+)*1 Always Below 1 Ω
      G11-8 (RL+) - M4-2 (+)*2, *3 Always Below 1 Ω
      G11-23 (RL-) - L6-1 (-)*1 Always Below 1 Ω
      G11-23 (RL-) - M4-1 (-)*2, *3 Always Below 1 Ω
      G11-9 (RR+) or M1-2 (+) - Body ground Always 10 kΩ or higher
      G11-24 (RR-) or M1-1 (-) - 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, *3 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, *3 Always 10 kΩ or higher
      1. *1: Door Trim Wood Panel Type, w/o Ambient Light
      2. *2: Except Door Trim Wood Panel Type
      3. *3: w/ Ambient Light

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  13

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

      Refer to REMOVAL [06/2018 - ]

    2. Inspect the rear speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

    Result: 

    NG 

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

  14. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - SPEAKER ASSEMBLY WITH BRACKET) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the N75 speaker assembly with bracket connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-6 (WF1+) - N75-2 (WF1+) Always Below 1 Ω
      G11-21 (WF1-) - N75-1 (WF1-) Always Below 1 Ω
      G11-6 (WF1+) or N75-2 (WF1+) - Body ground Always 10 kΩ or higher
      G11-21 (WF1-) or N75-1 (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  15

  15. INSPECT SPEAKER ASSEMBLY WITH BRACKET 
    1. Remove the speaker assembly with bracket.

      Refer to REMOVAL [06/2018 - 08/2021]

    2. Inspect the speaker assembly with bracket.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

    Result: 

    NG 

    REPLACE SPEAKER ASSEMBLY WITH BRACKET. Refer to  REMOVAL [06/2018 - 08/2021] 

  16. CHECK SPEAKER (OPERATION CHECK) 
    1. Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.

      Refer to OPERATION CHECK [10/2019 - 08/2021]

      GTY802357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Perform the operation check above and determine the speaker that is not operating.

      Result

      Not Operating Speaker Proceed to
      Front No. 2 speaker assembly (w/ Manual (SOS) Switch) A
      Front No. 2 speaker assembly (w/o Manual (SOS) Switch) B
      Front No. 1 speaker assembly C
      Front No. 3 speaker assembly D
      Front No. 4 speaker assembly E
      Rear speaker assembly F
      Speaker assembly with bracket G

      HINT: 

      If sound cannot be heard from any speaker, inspect all of them.

    Result: 

    B 

    See step  20

    Result: 

    C 

    See step  22

    Result: 

    D 

    See step  24

    Result: 

    E 

    See step  26

    Result: 

    F 

    See step  28

    Result: 

    G 

    See step  30

    Result: 

    A 

    See step  17

  17. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the G129 DCM (telematics transceiver) connector.
    3. Disconnect the G78 and G79 front No. 2 speaker assembly connectors.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-13 (FR+) - G129-1 (SPI+) Always Below 1 Ω
      G11-28 (FR-) - G129-2 (SPI-) Always Below 1 Ω
      G129-3 (SPO+) - G78-2 (+) Always Below 1 Ω
      G129-4 (SPO-) - G78-1 (-) Always Below 1 Ω
      G11-12 (FL+) - G79-2 (+) Always Below 1 Ω
      G11-27 (FL-) - G79-1 (-) Always Below 1 Ω
      G11-13 (FR+) or G129-1 (SPI+) - Body ground Always 10 kΩ or higher
      G11-28 (FR-) or G129-2 (SPI-) - Body ground Always 10 kΩ or higher
      G11-12 (FL+) or G79-2 (+) - Body ground Always 10 kΩ or higher
      G11-27 (FL-) or G79-1 (-) - Body ground Always 10 kΩ or higher
      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 OR CONNECTOR 

    Result: 

    OK 

    See step  18

  18. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Remove the front No. 2 speaker assembly.

      Refer to REMOVAL [06/2018 - 08/2021]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    See step  19

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

      Refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022]

    2. Measure the resistance according to the value(s) in the table below.
      GTY843487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (DCM (Telematics Transceiver))

      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+) - 2 (SPI-) Always 10 kΩ or higher
      3 (SPO+) - 4 (SPO-) Always 10 kΩ or higher
      2 (SPI-) or 4 (SPO-) - Body ground Always 10 kΩ or higher
      1 (SPI+) or 3 (SPO+) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 09/2022] 

  20. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the G78 and G79 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
      G11-13 (FR+) - G78-2 (+) Always Below 1 Ω
      G11-28 (FR-) - G78-1 (-) Always Below 1 Ω
      G11-12 (FL+) - G79-2 (+) Always Below 1 Ω
      G11-27 (FL-) - G79-1 (-) Always Below 1 Ω
      G11-13 (FR+) or G78-2 (+) - Body ground Always 10 kΩ or higher
      G11-28 (FR-) or G78-1 (-) - Body ground Always 10 kΩ or higher
      G11-12 (FL+) or G79-2 (+) - Body ground Always 10 kΩ or higher
      G11-27 (FL-) or G79-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  21

  21. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Remove the front No. 2 speaker assembly.

      Refer to REMOVAL [06/2018 - 08/2021]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

  22. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the J2 and J19 front No. 1 speaker assembly connectors.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-5 (WFR+) - J2-2 (WF+) Always Below 1 Ω
      G11-20 (WFR-) - J2-1 (WF-) Always Below 1 Ω
      G11-4 (WFL+) - J19-2 (WF+) Always Below 1 Ω
      G11-19 (WFL-) - J19-1 (WF-) Always Below 1 Ω
      G11-5 (WFR+) or J2-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-20 (WFR-) or J2-1 (WF-) - Body ground Always 10 kΩ or higher
      G11-4 (WFL+) or J19-2 (WF+) - Body ground Always 10 kΩ or higher
      G11-19 (WFL-) or J19-1 (WF-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  23

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

      Refer to REMOVAL [06/2018 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

    Result: 

    NG 

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

  24. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the H6 front No. 3 speaker assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-7 (CTR+) - H6-2 (+) Always Below 1 Ω
      G11-22 (CTR-) - H6-1 (-) Always Below 1 Ω
      G11-7 (CTR+) or H6-2 (+) - Body ground Always 10 kΩ or higher
      G11-22 (CTR-) or H6-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  25

  25. REPLACE FRONT NO. 3 SPEAKER ASSEMBLY 
    1. Remove the front No. 3 speaker assembly.

      Refer to REMOVAL [06/2018 - 08/2021]

    2. Inspect the front No. 3 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

  26. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 4 SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the J1 and J18 front No. 4 speaker assembly connectors.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-11 (TWR+) - J1-2 (+) Always Below 1 Ω
      G11-26 (TWR-) - J1-1 (-) Always Below 1 Ω
      G11-10 (TWL+) - J18-2 (+) Always Below 1 Ω
      G11-25 (TWL-) - J18-1 (-) Always Below 1 Ω
      G11-11 (TWR+) or J1-2 (+) - Body ground Always 10 kΩ or higher
      G11-26 (TWR-) or J1-1 (-) - Body ground Always 10 kΩ or higher
      G11-10 (TWL+) or J18-2 (+) - Body ground Always 10 kΩ or higher
      G11-25 (TWL-) or J18-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  27

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

      Refer to REMOVAL [06/2018 - ]

    2. Inspect the front No. 4 speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

  28. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the M1 and M4 rear speaker assembly connectors.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-9 (RR+) - M1-2 (+) Always Below 1 Ω
      G11-24 (RR-) - M1-1 (-) Always Below 1 Ω
      G11-8 (RL+) - M4-2 (+) Always Below 1 Ω
      G11-23 (RL-) - M4-1 (-) Always Below 1 Ω
      G11-9 (RR+) or M1-2 (+) - Body ground Always 10 kΩ or higher
      G11-24 (RR-) or M1-1 (-) - Body ground Always 10 kΩ or higher
      G11-8 (RL+) or M4-2 (+) - Body ground Always 10 kΩ or higher
      G11-23 (RL-) or M4-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  29

  29. REPLACE REAR SPEAKER ASSEMBLY 
    1. Remove the rear speaker assembly.

      Refer to REMOVAL [06/2018 - ]

    2. Inspect the rear speaker assembly.

      Refer to INSPECTION [06/2018 - ]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

  30. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - SPEAKER ASSEMBLY WITH BRACKET) 
    1. Disconnect the G11 stereo component amplifier assembly connector.
    2. Disconnect the N75 speaker assembly with bracket connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G11-6 (WF1+) - N75-2 (WF1+) Always Below 1 Ω
      G11-21 (WF1-) - N75-1 (WF1-) Always Below 1 Ω
      G11-6 (WF1+) or N75-2 (WF1+) - Body ground Always 10 kΩ or higher
      G11-21 (WF1-) or N75-1 (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  31

  31. INSPECT SPEAKER ASSEMBLY WITH BRACKET 
    1. Remove the speaker assembly with bracket.

      Refer to REMOVAL [06/2018 - 08/2021]

    2. Inspect the speaker assembly with bracket.

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] 

    Result: 

    NG 

    REPLACE SPEAKER ASSEMBLY WITH BRACKET. Refer to  REMOVAL [06/2018 - 08/2021] 

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