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Speaker Circuit [11/2017 - 09/2020]: Procedure

  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.
      GTY824098Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to OPERATION CHECK [11/2017 - 09/2020]

    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
      Rear No. 3 speaker assembly 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 T20 stereo component amplifier assembly connector.
    2. Disconnect the O65 DCM (telematics transceiver) connector.
    3. Disconnect the O54 and O55 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
      T20-13 (FR+) - O65-2 (SPI+) Always Below 1 Ω
      T20-28 (FR-) - O65-3 (SPI-) Always Below 1 Ω
      O65-5 (SPO+) - O54-2 (+) Always Below 1 Ω
      O65-6 (SPO-) - O54-1 (-) Always Below 1 Ω
      T20-12 (FL+) - O55-2 (+) Always Below 1 Ω
      T20-27 (FL-) - O55-1 (-) Always Below 1 Ω
      T20-13 (FR+) or O65-2 (SPI+) - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O65-3 (SPI-) - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 (+) - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 (-) - Body ground Always 10 kΩ or higher
      O65-5 (SPO+) or O54-2 (+) - Body ground Always 10 kΩ or higher
      O65-6 (SPO-) or O54-1 (-) - 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 [09/2014 - ]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [08/2016 - 01/2023]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

    Result: 

    OK 

    See step  5

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

      Refer to REMOVAL [11/2017 - 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 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [11/2017 - 09/2020] 

  6. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the O54 and O55 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
      T20-13 (FR+) - O54-2 (+) Always Below 1 Ω
      T20-28 (FR-) - O54-1 (-) Always Below 1 Ω
      T20-12 (FL+) - O55-2 (+) Always Below 1 Ω
      T20-27 (FL-) - O55-1 (-) Always Below 1 Ω
      T20-13 (FR+) or O54-2 (+) - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O54-1 (-) - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 (+) - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 (-) - 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 [09/2014 - ]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [08/2016 - 01/2023]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

  8. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the R14 and S14 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
      T20-5 (WFR+) - R14-1 Always Below 1 Ω
      T20-20 (WFR-) - R14-2 Always Below 1 Ω
      T20-4 (WFL+) - S14-1 Always Below 1 Ω
      T20-19 (WFL-) - S14-2 Always Below 1 Ω
      T20-5 (WFR+) or R14-1 - Body ground Always 10 kΩ or higher
      T20-20 (WFR-) or R14-2 - Body ground Always 10 kΩ or higher
      T20-4 (WFL+) or S14-1 - Body ground Always 10 kΩ or higher
      T20-19 (WFL-) or S14-2 - 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 [09/2014 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [08/2016 - 01/2023]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

  10. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the O56 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
      T20-7 (CTR+) - O56-2 (+) Always Below 1 Ω
      T20-22 (CTR-) - O56-1 (-) Always Below 1 Ω
      T20-7 (CTR+) or O56-2 (+) - Body ground Always 10 kΩ or higher
      T20-22 (CTR-) or O56-1 (-) - 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 [09/2014 - ]

    2. Inspect the front No. 3 speaker assembly.

      Refer to INSPECTION [08/2016 - 01/2023]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

  12. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the T25 and U35 rear speaker assembly connectors.
    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      T20-9 (RR+) - T25-1 Always Below 1 Ω
      T20-24 (RR-) - T25-2 Always Below 1 Ω
      T20-8 (RL+) - U35-1 Always Below 1 Ω
      T20-23 (RL-) - U35-2 Always Below 1 Ω
      T20-9 (RR+) or T25-1 - Body ground Always 10 kΩ or higher
      T20-24 (RR-) or T25-2 - Body ground Always 10 kΩ or higher
      T20-8 (RL+) or U35-1 - Body ground Always 10 kΩ or higher
      T20-23 (RL-) or U35-2 - Body ground Always 10 kΩ or higher

      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 [09/2014 - ]

    2. Inspect the rear speaker assembly.

      Refer to INSPECTION [09/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

  14. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 3 SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the T24 rear 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
      T20-6 (WF1+) - T24-1 Always Below 1 Ω
      T20-21 (WF1-) - T24-2 Always Below 1 Ω
      T20-6 (WF1+) or T24-1 - Body ground Always 10 kΩ or higher
      T20-21 (WF1-) or T24-2 - 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 REAR NO. 3 SPEAKER ASSEMBLY 
    1. Remove the rear No. 3 speaker assembly.

      Refer to REMOVAL [09/2014 - ]

    2. Inspect the rear No. 3 speaker assembly.

      Refer to INSPECTION [08/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

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

      Refer to OPERATION CHECK [11/2017 - 09/2020]

      GTY824098Courtesy 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
      Rear speaker assembly or rear No. 2 speaker assembly E
      Rear header speaker assembly F
      Rear No. 3 speaker assembly 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  29

    Result: 

    G 

    See step  31

    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 T20 stereo component amplifier assembly connector.
    2. Disconnect the O65 DCM (telematics transceiver) connector.
    3. Disconnect the O54 and O55 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
      T20-13 (FR+) - O65-2 (SPI+) Always Below 1 Ω
      T20-28 (FR-) - O65-3 (SPI-) Always Below 1 Ω
      O65-5 (SPO+) - O54-2 (+) Always Below 1 Ω
      O65-6 (SPO-) - O54-1 (-) Always Below 1 Ω
      T20-12 (FL+) - O55-2 (+) Always Below 1 Ω
      T20-27 (FL-) - O55-1 (-) Always Below 1 Ω
      T20-13 (FR+) or O65-2 (SPI+) - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O65-3 (SPI-) - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 (+) - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 (-) - Body ground Always 10 kΩ or higher
      O65-5 (SPO+) or O54-2 (+) - Body ground Always 10 kΩ or higher
      O65-6 (SPO-) or O54-1 (-) - 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 [09/2014 - ]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [08/2016 - 01/2023]

      OK

      Malfunction disappears.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

    Result: 

    OK 

    See step  19

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

      Refer to REMOVAL [11/2017 - 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 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [11/2017 - 09/2020] 

  20. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the O54 and O55 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
      T20-13 (FR+) - O54-2 (+) Always Below 1 Ω
      T20-28 (FR-) - O54-1 (-) Always Below 1 Ω
      T20-12 (FL+) - O55-2 (+) Always Below 1 Ω
      T20-27 (FL-) - O55-1 (-) Always Below 1 Ω
      T20-13 (FR+) or O54-2 (+) - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O54-1 (-) - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 (+) - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 (-) - 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 [09/2014 - ]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [08/2016 - 01/2023]

      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 [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

  22. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the R14 and S14 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
      T20-5 (WFR+) - R14-1 Always Below 1 Ω
      T20-20 (WFR-) - R14-2 Always Below 1 Ω
      T20-4 (WFL+) - S14-1 Always Below 1 Ω
      T20-19 (WFL-) - S14-2 Always Below 1 Ω
      T20-5 (WFR+) or R14-1 - Body ground Always 10 kΩ or higher
      T20-20 (WFR-) or R14-2 - Body ground Always 10 kΩ or higher
      T20-4 (WFL+) or S14-1 - Body ground Always 10 kΩ or higher
      T20-19 (WFL-) or S14-2 - 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 [09/2014 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [09/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

  24. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the O56 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
      T20-7 (CTR+) - O56-2 (+) Always Below 1 Ω
      T20-22 (CTR-) - O56-1 (-) Always Below 1 Ω
      T20-7 (CTR+) or O56-2 (+) - Body ground Always 10 kΩ or higher
      T20-22 (CTR-) or O56-1 (-) - 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 [09/2014 - ]

    2. Inspect the front No. 3 speaker assembly.

      Refer to INSPECTION [08/2016 - 01/2023]

      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 [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

  26. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 2 SPEAKER ASSEMBLY - REAR SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the T26 and U36 rear No. 2 speaker assembly connectors.
    3. Disconnect the T25 and U35 rear speaker assembly connectors.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      T20-9 (RR+) - T26-3 (+TW) Always Below 1 Ω
      T20-24 (RR-) - T26-1 (-TW) Always Below 1 Ω
      T20-8 (RL+) - U36-3 (+TW) Always Below 1 Ω
      T20-23 (RL-) - U36-1 (-TW) Always Below 1 Ω
      T25-1 - T26-4 (+) Always Below 1 Ω
      T25-2 - T26-2 (-) Always Below 1 Ω
      U35-1 - U36-4 (+) Always Below 1 Ω
      U35-2 - U36-2 (-) Always Below 1 Ω
      T20-9 (RR+) or T26-3 (+TW) - Body ground Always 10 kΩ or higher
      T20-24 (RR-) or T26-1 (-TW) - Body ground Always 10 kΩ or higher
      T20-8 (RL+) or U36-3 (+TW) - Body ground Always 10 kΩ or higher
      T20-23 (RL-) or U36-1 (-TW) - Body ground Always 10 kΩ or higher
      T25-1 - T26-4 (+) - Body ground Always 10 kΩ or higher
      T25-2 - T26-2 (-) - Body ground Always 10 kΩ or higher
      U35-1 - U36-4 (+) - Body ground Always 10 kΩ or higher
      U35-2 - U36-2 (-) - 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. INSPECT REAR SPEAKER ASSEMBLY 
    1. Remove the rear speaker assembly.

      Refer to REMOVAL [09/2014 - ]

    2. Inspect the rear speaker assembly.

      Refer to INSPECTION [09/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

    Result: 

    OK 

    See step  28

  28. REPLACE REAR NO. 2 SPEAKER ASSEMBLY 
    1. Remove the rear No. 2 speaker assembly.

      Refer to REMOVAL [09/2014 - ]

    2. Inspect the rear No. 2 speaker assembly.

      Refer to INSPECTION [09/2014 - ]

      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 [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

  29. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR HEADER SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the T23 and U34 rear header speaker assembly connectors.
    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      T20-11 (SR+) - T23-2 (+) Always Below 1 Ω
      T20-26 (SR-) - T23-1 (-) Always Below 1 Ω
      T20-10 (SL+) - U34-2 (+) Always Below 1 Ω
      T20-25 (SL-) - U34-1 (-) Always Below 1 Ω
      T20-11 (SR+) or T23-2 (+) - Body ground Always 10 kΩ or higher
      T20-26 (SR-) or T23-1 (-) - Body ground Always 10 kΩ or higher
      T20-10 (SL+) or U34-2 (+) - Body ground Always 10 kΩ or higher
      T20-25 (SL-) or U34-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  30

  30. REPLACE REAR HEADER SPEAKER ASSEMBLY 
    1. Remove the rear header speaker assembly.

      Refer to REMOVAL [09/2014 - ]

    2. Inspect the rear header speaker assembly.

      Refer to INSPECTION [08/2016 - ]

      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 [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

  31. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 3 SPEAKER ASSEMBLY) 
    1. Disconnect the T20 stereo component amplifier assembly connector.
    2. Disconnect the T24 rear 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
      T20-6 (WF1+) - T24-1 Always Below 1 Ω
      T20-21 (WF1-) - T24-2 Always Below 1 Ω
      T20-6 (WF1+) or T24-1 - Body ground Always 10 kΩ or higher
      T20-21 (WF1-) or T24-2 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  32

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

      Refer to REMOVAL [09/2014 - ]

    2. Inspect the rear No. 3 speaker assembly.

      Refer to INSPECTION [08/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020] 

    Result: 

    NG 

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

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