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Speaker Circuit [10/2019 - 10/2022]: Procedure

WARNING: This page is about a different car, the 2022 Toyota RAV4, 2021 Toyota RAV4, 2020 Toyota RAV4, and 2019 Toyota RAV4. 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 6 Speakers A
      For 9 Speakers B

    Result: 

    B 

    See step  12

    Result: 

    A 

    See step  2

  2. CHECK SPEAKER (OPERATION CHECK) 
    1. Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.
      GTY452678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to OPERATION CHECK [10/2019 - 10/2022]

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

      Result

      Not Operating Speaker Proceed to
      Front No. 1 speaker assembly or front No. 2 speaker assembly A
      Rear speaker assembly B

      HINT: 

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

    Result: 

    B 

    See step  10

    Result: 

    A 

    See step  3

  3. CHECK MODEL 
    1. Choose the model to be inspected.

      Result

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

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER)) 
    1. Disconnect the G4 radio and display receiver assembly connector.
    2. Disconnect the I1 and J1 front No. 1 speaker assembly connectors.
    3. Disconnect the G5 and G6 front No. 2 speaker assembly connectors.
    4. Disconnect the G133 DCM (telematics transceiver) connector.
    5. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G4-1 (FR+) - G133-1 (SPI+) Always Below 1 Ω
      G4-6 (FR-) - G133-2 (SPI-) Always Below 1 Ω
      G133-3 (SPO+) - G5-4 (TWR+) Always Below 1 Ω
      G133-4 (SPO-) - G5-2 (TWR-) Always Below 1 Ω
      G4-2 (FL+) - G6-4 (TWL+) Always Below 1 Ω
      G4-7 (FL-) - G6-2 (TWL-) Always Below 1 Ω
      I1-2 (+) - G5-3 (+) Always Below 1 Ω
      I1-1 (-) - G5-1 (-) Always Below 1 Ω
      J1-2 (+) - G6-3 (+) Always Below 1 Ω
      J1-1 (-) - G6-1 (-) Always Below 1 Ω
      G4-1 (FR+) or G133-1 (SPI+) - Body ground Always 10 kΩ or higher
      G4-6 (FR-) or G133-2 (SPI-) - Body ground Always 10 kΩ or higher
      G133-3 (SPO+) or G5-4 (TWR+) - Body ground Always 10 kΩ or higher
      G133-4 (SPO-) or G5-2 (TWR-) - Body ground Always 10 kΩ or higher
      G4-2 (FL+) or G6-4 (TWL+) - Body ground Always 10 kΩ or higher
      G4-7 (FL-) or G6-2 (TWL-) - Body ground Always 10 kΩ or higher
      I1-2 (+) or G5-3 (+) - Body ground Always 10 kΩ or higher
      I1-1 (-) or G5-1 (-) - Body ground Always 10 kΩ or higher
      J1-2 (+) or G6-3 (+) - Body ground Always 10 kΩ or higher
      J1-1 (-) or G6-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

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

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY 

    Refer to REMOVAL [11/2018 - ]

    Result: 

    OK 

    See step  6

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

      Refer to REMOVAL [10/2019 - 10/2022]

      GTY927943Courtesy 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+) - 2 (SPI-) Always 10 kΩ or higher
      3 (SPO+) - 4 (SPO-) Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    See step  9

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER) 

    Refer to REMOVAL [10/2019 - 10/2022]

  7. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the G4 radio and display receiver assembly connector.
    2. Disconnect the I1 and J1 front No. 1 speaker assembly connectors.
    3. Disconnect the G5 and G6 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
      G4-1 (FR+) - G5-4 (TWR+) Always Below 1 Ω
      G4-6 (FR-) - G5-2 (TWR-) Always Below 1 Ω
      G4-2 (FL+) - G6-4 (TWL+) Always Below 1 Ω
      G4-7 (FL-) - G6-2 (TWL-) Always Below 1 Ω
      I1-2 (+) - G5-3 (+) Always Below 1 Ω
      I1-1 (-) - G5-1 (-) Always Below 1 Ω
      J1-2 (+) - G6-3 (+) Always Below 1 Ω
      J1-1 (-) - G6-1 (-) Always Below 1 Ω
      G4-1 (FR+) - Body ground Always 10 kΩ or higher
      G4-6 (FR-) - Body ground Always 10 kΩ or higher
      G4-2 (FL+) - Body ground Always 10 kΩ or higher
      G4-7 (FL-) - 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
      G6-3 (+) - Body ground Always 10 kΩ or higher
      G6-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  8

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

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY 

    Refer to REMOVAL [11/2018 - ]

    Result: 

    OK 

    See step  9

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

      Refer to REMOVAL [11/2018 - ]

    2. Check the malfunction disappears.

      OK

      Malfunction disappears.

      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 speaker is defective, inspect by interchanging the right one with the left one.
      • Perform the above inspection on both the LH and RH sides.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE) 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    Refer to PROBLEM SYMPTOMS TABLE [10/2019 - 10/2022]

  10. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY) 
    1. Disconnect the G4 radio and display receiver assembly connector.
    2. Disconnect the K1 and L1 rear speaker assembly connectors.
    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G4-4 (RR+) - K1-2 (+) Always Below 1 Ω
      G4-9 (RR-) - K1-1 (-) Always Below 1 Ω
      G4-3 (RL+) - L1-2 (+) Always Below 1 Ω
      G4-8 (RL-) - L1-1 (-) Always Below 1 Ω
      G4-4 (RR+) - Body ground Always 10 kΩ or higher
      G4-9 (RR-) - Body ground Always 10 kΩ or higher
      G4-3 (RL+) - Body ground Always 10 kΩ or higher
      G4-8 (RL-) - 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 REAR SPEAKER ASSEMBLY 
    1. Remove the rear speaker assembly.

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the rear speaker assembly.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    Refer to PROBLEM SYMPTOMS TABLE [10/2019 - 10/2022]

    Result: 

    NG 

    REPLACE REAR SPEAKER ASSEMBLY 

    Refer to REMOVAL [11/2018 - ]

  12. CHECK SPEAKER (OPERATION CHECK) 
    1. Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.
      GTY452678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to OPERATION CHECK [10/2019 - 10/2022]

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

      Result

      Not Operating Speaker Proceed to
      Front No. 1 speaker assembly or front No. 3 speaker assembly A
      Front No. 2 speaker assembly B
      Rear speaker assembly C
      Rear No. 2 speaker assembly D

      HINT: 

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

    Result: 

    B 

    See step  16

    Result: 

    C 

    See step  19

    Result: 

    D 

    See step  21

    Result: 

    A 

    See step  13

  13. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY) 
    1. Disconnect the M2 stereo component amplifier assembly connector.
    2. Disconnect the J1 and I1 front No. 1 speaker assembly connectors.
    3. Disconnect the G6 and G5 front No. 3 speaker assembly connectors.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M2-9 (FR+) - G5-4 (TWR+) Always Below 1 Ω
      M2-24 (FR-) - G5-2 (TWR-) Always Below 1 Ω
      M2-14 (FL+) - G6-4 (TWL+) Always Below 1 Ω
      M2-29 (FL-) - G6-2 (TWL-) Always Below 1 Ω
      J1-2 (+) - G6-3 (+) Always Below 1 Ω
      J1-1 (-) - G6-1 (-) Always Below 1 Ω
      I1-2 (+) - G5-3 (+) Always Below 1 Ω
      I1-1 (-) - G5-1 (-) Always Below 1 Ω
      M2-9 (FR+) - Body ground Always 10 kΩ or higher
      M2-24 (FR-) - Body ground Always 10 kΩ or higher
      M2-14 (FL+) - Body ground Always 10 kΩ or higher
      M2-29 (FL-) - Body ground Always 10 kΩ or higher
      G6-3 (+) - Body ground Always 10 kΩ or higher
      G6-1 (-) - 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: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  14

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

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the front No. 3 speaker assembly.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY 

    Refer to REMOVAL [11/2018 - ]

    Result: 

    OK 

    See step  15

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

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the front No. 1 speaker assembly.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    Refer to PROBLEM SYMPTOMS TABLE [10/2019 - 10/2022]

    Result: 

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY 

    Refer to REMOVAL [11/2018 - ]

  16. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the M2 stereo component amplifier assembly connector.
    2. Disconnect the G7 and G8 front No. 2 speaker assembly connectors.
    3. Disconnect the J208 DCM (telematics transceiver) connector.
    4. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M2-10 (TWL+) - G8-1 (+) Always Below 1 Ω
      M2-25 (TWL-) - G8-2 (-) Always Below 1 Ω
      M2-13 (TWR+) - J208-1 (SPI+) Always Below 1 Ω
      M2-28 (TWR-) - J208-2 (SPI-) Always Below 1 Ω
      J208-3 (SPO+) - G7-1 (+) Always Below 1 Ω
      J208-4 (SPO-) - G7-2 (-) Always Below 1 Ω
      M2-10 (TWL+) - Body ground Always 10 kΩ or higher
      M2-25 (TWL-) - Body ground Always 10 kΩ or higher
      M2-13 (TWR+) - Body ground Always 10 kΩ or higher
      M2-28 (TWR-) - Body ground Always 10 kΩ or higher
      J208-3 (SPO+) - Body ground Always 10 kΩ or higher
      J208-4 (SPO-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  17

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

      Refer to REMOVAL [10/2019 - 10/2022]

    2. Measure the resistance according to the value(s) in the table below.
      GTY846176Courtesy 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

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER) 

    Refer to REMOVAL [10/2019 - 10/2022]

    Result: 

    OK 

    See step  18

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

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the front No. 2 speaker assembly.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    Refer to PROBLEM SYMPTOMS TABLE [10/2019 - 10/2022]

    Result: 

    NG 

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY 

    Refer to REMOVAL [11/2018 - ]

  19. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY) 
    1. Disconnect the M2 stereo component amplifier assembly connector.
    2. Disconnect the L1 and K1 rear speaker assembly connectors.
    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M2-12 (RR+) - K1-2 (+) Always Below 1 Ω
      M2-27 (RR-) - K1-1 (-) Always Below 1 Ω
      M2-11 (RL+) - L1-2 (+) Always Below 1 Ω
      M2-26 (RL-) - L1-1 (-) Always Below 1 Ω
      M2-12 (RR+) - Body ground Always 10 kΩ or higher
      M2-27 (RR-) - Body ground Always 10 kΩ or higher
      M2-11 (RL+) - Body ground Always 10 kΩ or higher
      M2-26 (RL-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  20

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

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the rear speaker assembly.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    Refer to PROBLEM SYMPTOMS TABLE [10/2019 - 10/2022]

    Result: 

    NG 

    REPLACE REAR SPEAKER ASSEMBLY 

    Refer to REMOVAL [11/2018 - ]

  21. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the M2 stereo component amplifier assembly connector.
    2. Disconnect the N1 rear 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
      M2-15 (WFR+) - N1-4 (WF+) Always Below 1 Ω
      M2-30 (WFR-) - N1-1 (WF-) Always Below 1 Ω
      M2-8 (WFL+) - N1-2 (WF+) Always Below 1 Ω
      M2-23 (WFL-) - N1-3 (WF-) Always Below 1 Ω
      M2-30 (WFR+) - Body ground Always 10 kΩ or higher
      M2-23 (WFR-) - Body ground Always 10 kΩ or higher
      M2-8 (WFL+) - Body ground Always 10 kΩ or higher
      M2-23 (WFL-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  22

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

      Refer to REMOVAL [11/2018 - 10/2023]

    2. Inspect the rear No. 2 speaker assembly.

      Refer to INSPECTION [11/2018 - ]

      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 [10/2019 - 10/2022]

    Result: 

    NG 

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY 

    Refer to REMOVAL [11/2018 - 10/2023]

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