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NAVIGATION SYSTEM Speaker Circuit

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DTC Code DTC Name
  Speaker Circuit
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DESCRIPTION

If there is a short in a speaker circuit, the stereo component amplifier assembly detects the short and stops output to the speakers.

Thus sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier assembly, telematics transceiver*1 or speakers.

*1: w/ Telematics Transceiver

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WIRING DIAGRAM


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  1. A0004QCE25
    A0006PNE13

    for 8 Speakers

  2. A000778E14
    A0009MAE13

    for 15 Speakers

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CAUTION / NOTICE / HINT

Note:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precautions for Navigation System (Click here).

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PROCEDURE


  1. Click here

    CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Model Proceed to
      for 8 Speakers A
      for 15 Speakers B

  2. Click here

    CHECK HARNESS AND CONNECTOR


    1. Disconnect the H99 stereo component amplifier assembly connector.

    2. Disconnect the H63 and H62 front No. 2 speaker assembly connectors.

    3. Disconnect the L6 and M5 front No. 1 speaker assembly connectors.

    4. Disconnect the J2 front No. 3 speaker assembly connector.

    5. Disconnect the O6 and N6 rear speaker assembly connectors.

    6. Disconnect the Q16 stereo component speaker assembly connector.

    7. Disconnect the H101 telematics transceiver connector (w/ Telematics Transceiver).

    8. Measure the resistance between the front No. 2 speaker assembly RH and the stereo component amplifier assembly to check for an open circuit in the wire harness (w/o Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-13 (FR+) - H63-2 Always Below 1 Ω
      H99-28 (FR-) - H63-1 Always Below 1 Ω

    9. Measure the resistance between the stereo component amplifier assembly and the telematics transceiver to check for an open circuit in the wire harness (w/ Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-13 (FR+) - H101-2 (SPI+) Always Below 1 Ω
      H99-28 (FR-) - H101-3 (SPI-) Always Below 1 Ω

    10. Measure the resistance between the front No. 2 speaker assembly RH and the telematics transceiver to check for an open circuit in the wire harness (w/ Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      H101-5 (SPO+) - H63-2 Always Below 1 Ω
      H101-6 (SPO-) - H63-1 Always Below 1 Ω

    11. Measure the resistance between the front No. 2 speaker assembly LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-12 (FL+) - H62-2 Always Below 1 Ω
      H99-27 (FL-) - H62-1 Always Below 1 Ω

    12. Measure the resistance between each of the front No. 1 speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-5 (WFR+) - L6-1 Always Below 1 Ω
      H99-20 (WFR-) - L6-2 Always Below 1 Ω
      H99-4 (WFL+) - M5-1 Always Below 1 Ω
      H99-19 (WFL-) - M5-2 Always Below 1 Ω

    13. Measure the resistance between the front No. 3 speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-7 (CTR+) - J2-2 Always Below 1 Ω
      H99-22 (CTR-) - J2-1 Always Below 1 Ω

    14. Measure the resistance between each of the rear speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-15 (RR+) - N6-1 Always Below 1 Ω
      H99-30 (RR-) - N6-2 Always Below 1 Ω
      H99-14 (RL+) - O6-1 Always Below 1 Ω
      H99-29 (RL-) - O6-2 Always Below 1 Ω

    15. Measure the resistance between the stereo component speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-6 (WF1+) - Q16-1 Always Below 1 Ω
      H99-21 (WF1-) - Q16-2 Always Below 1 Ω

    16. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-13 (FR+) - Body ground Always 10 kΩ or higher
      H99-28 (FR-) - Body ground Always 10 kΩ or higher
      H99-12 (FL+) - Body ground Always 10 kΩ or higher
      H99-27 (FL-) - Body ground Always 10 kΩ or higher
      H99-5 (WFR+) - Body ground Always 10 kΩ or higher
      H99-20 (WFR-) - Body ground Always 10 kΩ or higher
      H99-4 (WFL+) - Body ground Always 10 kΩ or higher
      H99-19 (WFL-) - Body ground Always 10 kΩ or higher
      H99-7 (CTR+) - Body ground Always 10 kΩ or higher
      H99-22 (CTR-) - Body ground Always 10 kΩ or higher
      H99-15 (RR+) - Body ground Always 10 kΩ or higher
      H99-30 (RR-) - Body ground Always 10 kΩ or higher
      H99-14 (RL+) - Body ground Always 10 kΩ or higher
      H99-29 (RL-) - Body ground Always 10 kΩ or higher
      H99-6 (WF1+) - Body ground Always 10 kΩ or higher
      H99-21 (WF1-) - Body ground Always 10 kΩ or higher

    17. Measure the resistance between the front No. 2 speaker assembly RH and body ground to check for a short circuit in the wire harness (w/ Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      H63-1 - Body ground Always 10 kΩ or higher
      H63-2 - Body ground Always 10 kΩ or higher

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. Click here

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A0008N7E02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        L6-1 - L6-2 Always 3.2 to 4.8 Ω
        M5-1 - M5-2 Always 3.2 to 4.8 Ω
        Table 1. Text in Illustration
        *A for RH
        *B for LH
        *a

        Component without harness connected

        (Front No. 1 Speaker Assembly)

  4. Click here

    INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. A0007ADE02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        H63-1 - H63-2 Always 3.2 to 4.8 Ω
        H62-1 - H62-2 Always 3.2 to 4.8 Ω
        Table 2. Text in Illustration
        *A for RH
        *B for LH
        *a

        Component without harness connected

        (Front No. 2 Speaker Assembly)

  5. Click here

    INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. A0006G9E02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        J2-1 - J2-2 Always 4.0 to 6.0 Ω
        Table 3. Text in Illustration
        *a

        Component without harness connected

        (Front No. 3 Speaker Assembly)

  6. Click here

    INSPECT REAR SPEAKER ASSEMBLY


    1. A00074KE02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        N6-1 - N6-2 Always 3.2 to 4.8 Ω
        O6-1 - O6-2 Always 3.2 to 4.8 Ω
        Table 4. Text in Illustration
        *A for RH
        *B for LH
        *a

        Component without harness connected

        (Rear Speaker Assembly)

  7. Click here

    INSPECT STEREO COMPONENT SPEAKER ASSEMBLY


    1. A0006S8E02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Q16-1 - Q16-2 Always 2.0 to 3.0 Ω
        Table 5. Text in Illustration
        *a

        Component without harness connected

        (Stereo Component Speaker Assembly)

    2. Proceed to the next step based on the inspection result.

      Result
      Result Proceed to
      NG A
      OK (w/ Telematics Transceiver) B
      OK (w/o Telematics Transceiver) C

  8. Click here

    CHECK HARNESS AND CONNECTOR


    1. Disconnect the H99 stereo component amplifier assembly connector.

    2. Disconnect the H101 telematics transceiver connector (w/ Telematics Transceiver).

    3. Disconnect the H63 and H62 front No. 2 speaker assembly connectors.

    4. Disconnect the L6 and M5 front No. 1 speaker assembly connectors.

    5. Disconnect the J2 front No. 3 speaker assembly connector.

    6. Disconnect the N6 and O6 rear speaker assembly connectors.

    7. Disconnect the N7 and O7 rear No. 2 speaker assembly connectors.

    8. Disconnect the Q15 and P32 rear header speaker assembly connectors.

    9. Disconnect the Q16 stereo component speaker assembly connector.

    10. Measure the resistance between the stereo component amplifier assembly and the telematics transceiver to check for an open circuit in the wire harness (w/ Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-13 (FR+) - H101-2 (SPI+) Always Below 1 Ω
      H99-28 (FR-) - H101-3 (SPI-) Always Below 1 Ω

    11. Measure the resistance between the front No. 2 speaker assembly RH and the telematics transceiver to check for an open circuit in the wire harness (w/ Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      H101-5 (SPO+) - H63-2 Always Below 1 Ω
      H101-6 (SPO-) - H63-1 Always Below 1 Ω

    12. Measure the resistance between the front No. 2 speaker assembly RH and the stereo component amplifier assembly to check for an open circuit in the wire harness (w/o Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-13 (FR+) - H63-2 Always Below 1 Ω
      H99-28 (FR-) - H63-1 Always Below 1 Ω

    13. Measure the resistance between the front No. 2 speaker assembly LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-12 (FL+) - H62-2 Always Below 1 Ω
      H99-27 (FL-) - H62-1 Always Below 1 Ω

    14. Measure the resistance between each of the front No. 1 speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-5 (WFR+) - L6-1 Always Below 1 Ω
      H99-20 (WFR-) - L6-2 Always Below 1 Ω
      H99-4 (WFL+) - M5-1 Always Below 1 Ω
      H99-19 (WFL-) - M5-2 Always Below 1 Ω

    15. Measure the resistance between the front No. 3 speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-7 (CTR+) - J2-2 Always Below 1 Ω
      H99-22 (CTR-) - J2-1 Always Below 1 Ω

    16. Measure the resistance between each of the rear No. 2 speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-15 (RR+) - N7-3 (+TW) Always Below 1 Ω
      H99-30 (RR-) - N7-1 (-TW) Always Below 1 Ω
      H99-14 (RL+) - O7-3 (+TW) Always Below 1 Ω
      H99-29 (RL-) - O7-1 (-TW) Always Below 1 Ω

    17. Measure the resistance between each of the rear speaker assemblies and the rear No. 2 speaker assemblies to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      N6-1 - N7-4 (+) Always Below 1 Ω
      N6-2 - N7-2 (-) Always Below 1 Ω
      O6-1 - O7-4 (+) Always Below 1 Ω
      O6-2 - O7-2 (-) Always Below 1 Ω

    18. Measure the resistance between each of the rear header speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-11 (SR+) - Q15-2 Always Below 1 Ω
      H99-26 (SR-) - Q15-1 Always Below 1 Ω
      H99-10 (SL+) - P32-2 Always Below 1 Ω
      H99-25 (SL-) - P32-1 Always Below 1 Ω

    19. Measure the resistance between the stereo component speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-6 (WF1+) - Q16-1 Always Below 1 Ω
      H99-21 (WF1-) - Q16-2 Always Below 1 Ω

    20. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H99-13 (FR+) - Body ground Always 10 kΩ or higher
      H99-28 (FR-) - Body ground Always 10 kΩ or higher
      H99-12 (FL+) - Body ground Always 10 kΩ or higher
      H99-27 (FL-) - Body ground Always 10 kΩ or higher
      H99-5 (WFR+) - Body ground Always 10 kΩ or higher
      H99-20 (WFR-) - Body ground Always 10 kΩ or higher
      H99-4 (WFL+) - Body ground Always 10 kΩ or higher
      H99-19 (WFL-) - Body ground Always 10 kΩ or higher
      H99-7 (CTR+) - Body ground Always 10 kΩ or higher
      H99-22 (CTR-) - Body ground Always 10 kΩ or higher
      H99-15 (RR+) - Body ground Always 10 kΩ or higher
      H99-30 (RR-) - Body ground Always 10 kΩ or higher
      H99-14 (RL+) - Body ground Always 10 kΩ or higher
      H99-29 (RL-) - Body ground Always 10 kΩ or higher
      H99-11 (SR+) - Body ground Always 10 kΩ or higher
      H99-26 (SR-) - Body ground Always 10 kΩ or higher
      H99-10 (SL+) - Body ground Always 10 kΩ or higher
      H99-25 (SL-) - Body ground Always 10 kΩ or higher
      H99-6 (WF1+) - Body ground Always 10 kΩ or higher
      H99-21 (WF1-) - Body ground Always 10 kΩ or higher

    21. Measure the resistance between the front No. 2 speaker assembly RH and body ground to check for a short circuit in the wire harness (w/ Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      H63-1 - Body ground Always 10 kΩ or higher
      H63-2 - Body ground Always 10 kΩ or higher

    22. Measure the resistance between each of the rear No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      N7-4 (+) - Body ground Always 10 kΩ or higher
      N7-2 (-) - Body ground Always 10 kΩ or higher
      O7-4 (+) - Body ground Always 10 kΩ or higher
      O7-2 (-) - Body ground Always 10 kΩ or higher

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  9. Click here

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A0008N7E02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        L6-1 - L6-2 Always 4.2 to 6.2 Ω
        M5-1 - M5-2 Always 4.2 to 6.2 Ω
        Table 6. Text in Illustration
        *A for RH
        *B for LH
        *a

        Component without harness connected

        (Front No. 1 Speaker Assembly)

  10. Click here

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY


    1. Check that the malfunction disappears when a known good speaker is installed (Click here).

      OK
      Malfunction disappears.
      Tip:

      • 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 LH and RH sides.


    • OK

      END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)

    • NGClick here
  11. Click here

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY


    1. Check that the malfunction disappears when a known good speaker is installed (Click here).

      OK
      Malfunction disappears.
      Tip:

      Connect all the connectors to the front No. 3 speaker assembly that were disconnected.


    • OK

      END (FRONT NO. 3 SPEAKER ASSEMBLY WAS DEFECTIVE)

    • NGClick here
  12. Click here

    INSPECT REAR SPEAKER ASSEMBLY


    1. A00074KE02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        N6-1 - N6-2 Always 3.6 to 5.6 Ω
        O6-1 - O6-2 Always 3.6 to 5.6 Ω
        Table 7. Text in Illustration
        *A for RH
        *B for LH
        *a

        Component without harness connected

        (Rear Speaker Assembly)

  13. Click here

    INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. A0004DGE01

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        N7-3 (+TW) - N7-1 (-TW) Always 10 kΩ or higher
        N7-3 (+TW) - N7-4 (+) Always Below 1 Ω
        N7-1 (-TW) - N7-2 (-) Always Below 1 Ω
        O7-3 (+TW) - O7-1 (-TW) Always 10 kΩ or higher
        O7-3 (+TW) - O7-4 (+) Always Below 1 Ω
        O7-1 (-TW) - O7-2 (-) Always Below 1 Ω
        Table 8. Text in Illustration
        *A for RH
        *B for LH
        *a

        Component without harness connected

        (Rear No. 2 Speaker Assembly)

  14. Click here

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY


    1. Check that the malfunction disappears when a known good speaker is installed (Click here).

      OK
      Malfunction disappears.
      Tip:

      • Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.

      • When there is a possibility that either the right or left rear speaker is defective, inspect by interchanging the right one with the left one.

      • Perform the above inspection on both LH and RH sides.


    • OK

      END (REAR NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)

    • NGClick here
  15. Click here

    INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. A0004GQE02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Q15-1 - Q15-2 Always 7.0 to 10.6 Ω
        P32-1 - P32-2 Always 7.0 to 10.6 Ω
        Table 9. Text in Illustration
        *A for RH
        *B for LH
        *a

        Component without harness connected

        (Rear Header Speaker Assembly)

  16. Click here

    INSPECT STEREO COMPONENT SPEAKER ASSEMBLY


    1. A0006S8E02

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        Q16-1 - Q16-2 Always 5.0 to 7.0 Ω
        Table 10. Text in Illustration
        *a

        Component without harness connected

        (Stereo Component Speaker Assembly)

    2. Proceed to the next step based on the inspection result.

      Result
      Result Proceed to
      OK (w/ Telematics Transceiver) A
      OK (w/o Telematics Transceiver) B
      NG C

  17. Click here

    INSPECT TELEMATICS TRANSCEIVER


    1. A0003SYE01

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        H101-2 (SPI+) - H101-5 (SPO+) Always Below 1 Ω
        H101-3 (SPI-) - H101-6 (SPO-) Always Below 1 Ω
        H101-2 (SPI+) - H101-3 (SPI-) Always 10 kΩ or higher
        H101-5 (SPO+) - H101-6 (SPO-) Always 10 kΩ or higher
        H101-3 (SPI-) - Body ground Always 10 kΩ or higher
        H101-2 (SPI+) - Body ground Always 10 kΩ or higher
        Table 11. Text in Illustration
        *a

        Component without harness connected

        (Telematics Transceiver)

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

    • NG

      REPLACE TELEMATICS TRANSCEIVER (Click here)