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Speaker Circuit: Procedure

  1. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      w/o Front Center Speaker A
      w/ Front Center Speaker B

    B → See step   10 

    A: Go to next step 

  2. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the P49 stereo component amplifier assembly connector.
    2. Disconnect the L5 and M12 front No. 2 speaker assembly connectors.
    3. Disconnect the L2 and M4 front No. 3 speaker assembly connectors.
    4. Disconnect the J114 DCM (telematics transceiver) connector (w/ Manual (SOS) Switch).
    5. Disconnect the L1 and M13 front No. 1 speaker assembly connectors.
    6. Disconnect the N6 and O6 rear No. 2 speaker assembly connectors.
    7. Disconnect the N4 and O4 rear No. 3 speaker assembly connectors.
    8. Disconnect the N3 and O3 rear speaker assembly connectors.
    9. Disconnect the P47 stereo component speaker assembly connector.
    10. w/o Manual (SOS) Switch:

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      P49-13 (FR+) - L2-1 (TWR+) Always Below 1 Ω
      P49-28 (FR-) - L2-3 (TWR-) Always Below 1 Ω
    11. w/ Manual (SOS) Switch:

      Measure the resistance between the stereo component amplifier assembly and the DCM (telematics transceiver) to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P49-13 (FR+) - J114-2 (SPI+) Always Below 1 Ω
      P49-28 (FR-) - J114-3 (SPI-) Always Below 1 Ω
    12. w/ Manual (SOS) Switch:

      Measure the resistance between the front No. 3 speaker assembly RH and the DCM (telematics transceiver) to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J114-5 (SPO+) - L2-1 (TWR+) Always Below 1 Ω
      J114-6 (SPO-) - L2-3 (TWR-) Always Below 1 Ω
    13. Measure the resistance between the front No. 3 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
      P49-12 (FL+) - M4-1 (TWL+) Always Below 1 Ω
      P49-27 (FL-) - M4-3 (TWL-) Always Below 1 Ω
    14. Measure the resistance between each of the front No. 2 speaker assemblies and the front No. 3 speaker assemblies to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L2-2 (+) - L5-1 Always Below 1 Ω
      L2-4 (-) - L5-2 Always Below 1 Ω
      M4-2 (+) - M12-1 Always Below 1 Ω
      M4-4 (-) - M12-2 Always Below 1 Ω
    15. 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
      P49-5 (WFR+) - L1-1 Always Below 1 Ω
      P49-20 (WFR-) - L1-2 Always Below 1 Ω
      P49-4 (WFL+) - M13-1 Always Below 1 Ω
      P49-19 (WFL-) - M13-2 Always Below 1 Ω
    16. Measure the resistance between each of the rear No. 3 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
      P49-11 (MR+) - N4-1 (+) Always Below 1 Ω
      P49-26 (MR-) - N4-3 (-) Always Below 1 Ω
      P49-10 (ML+) - O4-1 (+) Always Below 1 Ω
      P49-25 (ML-) - O4-3 (-) Always Below 1 Ω
    17. Measure the resistance between each of the rear No. 3 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
      N4-2 (+TW) - N6-1 Always Below 1 Ω
      N4-4 (-TW) - N6-2 Always Below 1 Ω
      O4-2 (+TW) - O6-1 Always Below 1 Ω
      O4-4 (-TW) - O6-2 Always Below 1 Ω
    18. 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
      P49-15 (RR+) - N3-1 Always Below 1 Ω
      P49-30 (RR-) - N3-2 Always Below 1 Ω
      P49-14 (RL+) - O3-1 Always Below 1 Ω
      P49-29 (RL-) - O3-2 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
      P49-6 (WF1+) - P47-1 (WF1+) Always Below 1 Ω
      P49-21 (WF1-) - P47-2 (WF1-) 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
      P49-13 (FR+) - Body ground Always 10 kΩ or higher
      P49-28 (FR-) - Body ground Always 10 kΩ or higher
      P49-12 (FL+) - Body ground Always 10 kΩ or higher
      P49-27 (FL-) - Body ground Always 10 kΩ or higher
      P49-5 (WFR+) - Body ground Always 10 kΩ or higher
      P49-20 (WFR-) - Body ground Always 10 kΩ or higher
      P49-4 (WFL+) - Body ground Always 10 kΩ or higher
      P49-19 (WFL-) - Body ground Always 10 kΩ or higher
      P49-11 (MR+) - Body ground Always 10 kΩ or higher
      P49-26 (MR-) - Body ground Always 10 kΩ or higher
      P49-10 (ML+) - Body ground Always 10 kΩ or higher
      P49-25 (ML-) - Body ground Always 10 kΩ or higher
      P49-15 (RR+) - Body ground Always 10 kΩ or higher
      P49-30 (RR-) - Body ground Always 10 kΩ or higher
      P49-14 (RL+) - Body ground Always 10 kΩ or higher
      P49-29 (RL-) - Body ground Always 10 kΩ or higher
      P49-6 (WF1+) - Body ground Always 10 kΩ or higher
      P49-21 (WF1-) - Body ground Always 10 kΩ or higher
    21. w/ Manual (SOS) Switch:

      Measure the resistance between the front No. 3 speaker assembly RH and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L2-1 (TWR+) - Body ground Always 10 kΩ or higher
      L2-3 (TWR-) - Body ground Always 10 kΩ or higher
    22. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L5-1 - Body ground Always 10 kΩ or higher
      L5-2 - Body ground Always 10 kΩ or higher
      M12-1 - Body ground Always 10 kΩ or higher
      M12-2 - Body ground Always 10 kΩ or higher
    23. 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
      N6-1 - Body ground Always 10 kΩ or higher
      N6-2 - Body ground Always 10 kΩ or higher
      O6-1 - Body ground Always 10 kΩ or higher
      O6-2 - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 
    1. Remove the front No. 1 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY406361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Front No. 1 Speaker Assembly)

    NG → See step   22 

    OK: Go to next step 

  4. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Remove the front No. 2 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY396265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Front No. 2 Speaker Assembly)

    NG → See step   28 

    OK: Go to next step 

  5. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY 
    1. Remove the front No. 3 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY418434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (TWR+) - 3 (TWR-) Always 3.2 to 4.8 Ω
      1 (TWR+) - 2 (+) Always 10 kΩ or higher
      3 (TWR-) - 4 (-) Always Below 1 Ω
      1 (TWL+) - 3 (TWL-) Always 3.2 to 4.8 Ω
      1 (TWL+) - 2 (+) Always 10 kΩ or higher
      3 (TWL-) - 4 (-) Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *A for RH
      *B for LH
      *a Component without harness connected
      (Front No. 3 Speaker Assembly)

    NG → See step   29 

    OK: Go to next step 

  6. INSPECT REAR SPEAKER ASSEMBLY 
    1. Remove the rear speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY406361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Rear Speaker Assembly)

    NG → See step   23 

    OK: Go to next step 

  7. INSPECT REAR NO. 2 SPEAKER ASSEMBLY 
    1. Remove the rear No. 2 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY396265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Rear No. 2 Speaker Assembly)

    NG → See step   30 

    OK: Go to next step 

  8. INSPECT REAR NO. 3 SPEAKER ASSEMBLY 
    1. Remove the rear No. 3 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY407046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (+) - 3 (-) Always 3.2 to 4.8 Ω
      1 (+) - 2 (+TW) Always 10 kΩ or higher
      3 (-) - 4 (-TW) Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Rear No. 3 Speaker Assembly)

    NG → See step   31 

    OK: Go to next step 

  9. INSPECT STEREO COMPONENT SPEAKER ASSEMBLY 
    1. Remove the stereo component speaker assembly.
    2. Remove the stereo component speaker assembly.
    3. Measure the resistance according to the value(s) in the table below.
      GTY400959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (WF1+) - 2 (WF1-) Always 1.6 to 2.4 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Stereo Component Speaker Assembly)
    4. Proceed to the next step based on the inspection result.

      Result

      Condition Proceed to
      OK (w/o Manual (SOS) Switch) A
      OK (w/ Manual (SOS) Switch) B
      NG C

    B → See step   21 

    C → See step   24 

    A → See step   25 

  10. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the P49 stereo component amplifier assembly connector.
    2. Disconnect the L5 and M12 front No. 2 speaker assembly connectors.
    3. Disconnect the L2 and M4 front No. 3 speaker assembly connectors.
    4. Disconnect the L1 and M13 front No. 1 speaker assembly connectors.
    5. Disconnect the K2 front stereo component speaker assembly connector.
    6. Disconnect the N2 and O2 rear speaker assembly connectors.
    7. Disconnect the N5 and O5 rear No. 2 speaker assembly connectors.
    8. Disconnect the Q26 and Q22 rear stereo component speaker assembly connectors.
    9. Disconnect the P21 stereo component speaker assembly connector.
    10. Disconnect the J114 DCM (telematics transceiver) connector (w/ Manual (SOS) switch).
    11. w/o Manual (SOS) Switch:

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      P49-13 (FR+) - L2-1 (TWR+) Always Below 1 Ω
      P49-28 (FR-) - L2-3 (TWR-) Always Below 1 Ω
    12. w/ Manual (SOS) Switch:

      Measure the resistance between the stereo component amplifier assembly and the DCM (telematics transceiver) to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P49-13 (FR+) - J114-2 (SPI+) Always Below 1 Ω
      P49-28 (FR-) - J114-3 (SPI-) Always Below 1 Ω
    13. w/ Manual (SOS) Switch:

      Measure the resistance between the front No. 3 speaker assembly RH and the DCM (telematics transceiver) to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J114-5 (SPO+) - L2-1 (TWR+) Always Below 1 Ω
      J114-6 (SPO-) - L2-3 (TWR-) Always Below 1 Ω
    14. Measure the resistance between the front No. 3 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
      P49-12 (FL+) - M4-1 (TWL+) Always Below 1 Ω
      P49-27 (FL-) - M4-3 (TWL-) Always Below 1 Ω
    15. Measure the resistance between each of the front No. 2 speaker assemblies and the front No. 3 speaker assemblies to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L2-2 (+) - L5-1 Always Below 1 Ω
      L2-4 (-) - L5-2 Always Below 1 Ω
      M4-2 (+) - M12-1 Always Below 1 Ω
      M4-4 (-) - M12-2 Always Below 1 Ω
    16. 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
      P49-5 (WFR+) - L1-1 Always Below 1 Ω
      P49-20 (WFR-) - L1-2 Always Below 1 Ω
      P49-4 (WFL+) - M13-1 Always Below 1 Ω
      P49-19 (WFL-) - M13-2 Always Below 1 Ω
    17. Measure the resistance between the front 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
      P49-7 (CTR+) - K2-1 Always Below 1 Ω
      P49-22 (CTR-) - K2-2 Always Below 1 Ω
    18. 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
      P49-15 (RR+) - N5-1 (+) Always Below 1 Ω
      P49-30 (RR-) - N5-3 (-) Always Below 1 Ω
      P49-14 (RL+) - O5-1 (+) Always Below 1 Ω
      P49-29 (RL-) - O5-3 (-) Always Below 1 Ω
    19. Measure the resistance between each of the rear No. 2 speaker assemblies and the rear speaker assemblies to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N5-2 (+TW) - N2-1 Always Below 1 Ω
      N5-4 (-TW) - N2-2 Always Below 1 Ω
      O5-2 (+TW) - O2-1 Always Below 1 Ω
      O5-4 (-TW) - O2-2 Always Below 1 Ω
    20. Measure the resistance between each of the rear stereo component 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
      P49-11 (SR+) - Q26-1 Always Below 1 Ω
      P49-26 (SR-) - Q26-2 Always Below 1 Ω
      P49-10 (SL+) - Q22-1 Always Below 1 Ω
      P49-25 (SL-) - Q22-2 Always Below 1 Ω
    21. 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
      P49-6 (WF1+) - P21-3 (WF1+) Always Below 1 Ω
      P49-21 (WF1-) - P21-4 (WF1-) Always Below 1 Ω
    22. 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
      P49-13 (FR+) - Body ground Always 10 kΩ or higher
      P49-28 (FR-) - Body ground Always 10 kΩ or higher
      P49-12 (FL+) - Body ground Always 10 kΩ or higher
      P49-27 (FL-) - Body ground Always 10 kΩ or higher
      P49-5 (WFR+) - Body ground Always 10 kΩ or higher
      P49-20 (WFR-) - Body ground Always 10 kΩ or higher
      P49-4 (WFL+) - Body ground Always 10 kΩ or higher
      P49-19 (WFL-) - Body ground Always 10 kΩ or higher
      P49-7 (CTR+) - Body ground Always 10 kΩ or higher
      P49-22 (CTR-) - Body ground Always 10 kΩ or higher
      P49-15 (RR+) - Body ground Always 10 kΩ or higher
      P49-30 (RR-) - Body ground Always 10 kΩ or higher
      P49-14 (RL+) - Body ground Always 10 kΩ or higher
      P49-29 (RL-) - Body ground Always 10 kΩ or higher
      P49-11 (SR+) - Body ground Always 10 kΩ or higher
      P49-26 (SR-) - Body ground Always 10 kΩ or higher
      P49-10 (SL+) - Body ground Always 10 kΩ or higher
      P49-25 (SL-) - Body ground Always 10 kΩ or higher
      P49-6 (WF1+) - Body ground Always 10 kΩ or higher
      P49-21 (WF1-) - Body ground Always 10 kΩ or higher
    23. w/ Manual (SOS) Switch:

      Measure the resistance between the front No. 3 speaker assembly RH and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L2-1 (TWR+) - Body ground Always 10 kΩ or higher
      L2-3 (TWR-)- Body ground Always 10 kΩ or higher
    24. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L5-1 - Body ground Always 10 kΩ or higher
      L5-2 - Body ground Always 10 kΩ or higher
      M12-1 - Body ground Always 10 kΩ or higher
      M12-2 - Body ground Always 10 kΩ or higher
    25. Measure the resistance between each of the rear speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N2-1 - Body ground Always 10 kΩ or higher
      N2-2 - Body ground Always 10 kΩ or higher
      O2-1 - Body ground Always 10 kΩ or higher
      O2-2 - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  11. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 
    1. Remove the front No. 1 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY406361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 4.8 to 7.2 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Front No. 1 Speaker Assembly)

    NG → See step   22 

    OK: Go to next step 

  12. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Remove the front No. 2 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY396265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Front No. 2 Speaker Assembly)

    NG → See step   28 

    OK: Go to next step 

  13. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Check that the malfunction disappears when a known good speaker is installed. Refer to REMOVAL [08/2012 - ] .

      OK

      Malfunction disappears.

      HINT: 

      • Connect all the connectors to the front No. 2 speakers 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.

    NG → See step   14 

    OK → END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE) 

  14. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY 
    1. Remove the front No. 3 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY418434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (TWR+) - 3 (TWR-) Always 4.8 to 6.4 Ω
      1 (TWR+) - 2 (+) Always Below 1 Ω
      3 (TWR-) - 4 (-) Always Below 1 Ω
      1 (TWL+) - 3 (TWL-) Always 4.8 to 6.4 Ω
      1 (TWL+) - 2 (+) Always Below 1 Ω
      3 (TWL-) - 4 (-) Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *A for RH
      *B for LH
      *a Component without harness connected
      (Front No. 3 Speaker Assembly)

    NG → See step   29 

    OK: Go to next step 

  15. INSPECT FRONT STEREO COMPONENT SPEAKER ASSEMBLY 
    1. Remove the front stereo component speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY398688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 4.8 to 6.4 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Front Stereo Component Speaker Assembly)

    NG → See step   27 

    OK: Go to next step 

  16. INSPECT REAR SPEAKER ASSEMBLY 
    1. Remove the rear speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY406361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 5.0 to 7.0 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Rear Speaker Assembly)

    NG → See step   23 

    OK: Go to next step 

  17. INSPECT REAR NO. 2 SPEAKER ASSEMBLY 
    1. Remove the rear No. 2 speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY407046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (+) - 3 (-) Always 10 kΩ or higher
      1 (+) - 2 (+TW) Always Below 1 Ω
      3 (-) - 4 (-TW) Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Rear No. 2 Speaker Assembly)

    NG → See step   30 

    OK: Go to next step 

  18. REPLACE REAR NO. 2 SPEAKER ASSEMBLY 
    1. Check that the malfunction disappears when a known good speaker is installed. Refer to REMOVAL [08/2012 - ] .

      OK

      Malfunction disappears.

      HINT: 

      • Connect all the connectors to the rear No. 2 speakers 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.

    NG → See step   19 

    OK → END (REAR NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE) 

  19. INSPECT REAR STEREO COMPONENT SPEAKER ASSEMBLY 
    1. Remove the rear stereo component speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY398688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 4.8 to 6.4 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Rear Stereo Component Speaker Assembly)

    NG → See step   26 

    OK: Go to next step 

  20. INSPECT STEREO COMPONENT SPEAKER ASSEMBLY 
    1. Remove the stereo component speaker assembly.
    2. Measure the resistance according to the value(s) in the table below.
      GTY408068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 (WF1+) - 4 (WF1-) Always 6.2 to 7.8 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Stereo Component Speaker Assembly)
    3. Proceed to the next step based on the inspection result.

      Result

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

    B → See step   21 

    C → See step   24 

    A → See step   25 

  21. INSPECT DCM(TELEMATICS TRANSCEIVER) 
    1. Remove the DCM (telematics transceiver).
    2. Measure the resistance according to the value(s) in the table below.
      GTY414434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      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
      3 (SPI-) - Body ground Always 10 kΩ or higher
      2 (SPI+) - Body ground Always 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (DCM (Telematics Transceiver))

    NG → See step   32 

    OK → See step   25 

  22. REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  23. REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  24. REPLACE STEREO COMPONENT SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  25. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2012 - ] 
  26. REPLACE REAR STEREO COMPONENT SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  27. REPLACE FRONT STEREO COMPONENT SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  28. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  29. REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  30. REPLACE REAR NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  31. REPLACE REAR NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [08/2012 - ] 
  32. REPLACE DCM(TELEMATICS TRANSCEIVER). Refer to  REMOVAL [08/2012 - ] 
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