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Speaker Circuit: Procedure

  1. CONFIRM MODEL 

    Result

    Result Proceed to
    for 10 Speakers A
    for 15 Speakers B

    B → See step   11 

    A: Go to next step 

  2. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the connectors from the stereo component amplifier assembly, DCM (telematics transceiver)*1 and speakers.
      • *1: w/ Manual (SOS) Switch
    2. Measure the resistance between each of the front No. 1 speakers and the front No. 2 speakers to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G5-1 (+) - I5-1 Always Below 1 Ω
      G5-2 (-) - I5-2 Always Below 1 Ω
      G3-1 (+) - H5-1 Always Below 1 Ω
      G3-2 (-) - H5-2 Always Below 1 Ω
    3. Measure the resistance between the front No. 2 speaker LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-3 (FL+) - G5-3 (TWL+) Always Below 1 Ω
      F43-8 (FL-) - G5-4 (TWL-) Always Below 1 Ω
    4. w/o Manual (SOS) Switch

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-10 (FR+) - G3-3 (TWR+) Always Below 1 Ω
      F43-9 (FR-) - G3-4 (TWR-) Always Below 1 Ω
    5. w/ Manual (SOS) Switch

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-10 (FR+) - F38-2 (SPI+) Always Below 1 Ω
      F43-9 (FR-) - F38-3 (SPI-) Always Below 1 Ω
    6. w/ Manual (SOS) Switch

      Measure the resistance between the front No. 2 speaker RH and the DCM (telematics transceiver) to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F38-5 (SPO+) - G3-3 (TWR+) Always Below 1 Ω
      F38-6 (SPO-) - G3-4 (TWR-) Always Below 1 Ω
    7. Measure the resistance between each of the rear No. 2 speakers and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-4 (RL+) - K6-3 (+TW) Always Below 1 Ω
      F43-11 (RL-) - K6-1 (-TW) Always Below 1 Ω
      F43-5 (RR+) - J6-3 (+TW) Always Below 1 Ω
      F43-12 (RR-) - J6-1 (-TW) Always Below 1 Ω
    8. Measure the resistance between each of the rear No. 2 speakers and the rear speakers to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K6-4 (+) - K4-1 Always Below 1 Ω
      K6-2 (-) - K4-2 Always Below 1 Ω
      J6-4 (+) - J4-1 Always Below 1 Ω
      J6-2 (-) - J4-2 Always Below 1 Ω
    9. Measure the resistance between the rear stereo component speaker and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F24-1 (WF1+) - L37-2 (WF1+) Always Below 1 Ω
      F24-5 (WF1-) - L37-1 (WF1-) Always Below 1 Ω
      F24-2 (WF2+) - L37-4 (WF2+) Always Below 1 Ω
      F24-6 (WF2-) - L37-3 (WF2-) Always Below 1 Ω
    10. Measure the resistance between the front No. 3 speaker and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F24-8 (CTR+) - G2-2 Always Below 1 Ω
      F24-7 (CTR-) - G2-1 Always Below 1 Ω
    11. 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
      F43-3 (FL+) - Body ground Always 10 kΩ or higher
      F43-8 (FL-) - Body ground Always 10 kΩ or higher
      F43-10 (FR+) - Body ground Always 10 kΩ or higher
      F43-9 (FR-) - Body ground Always 10 kΩ or higher
      F43-4 (RL+) - Body ground Always 10 kΩ or higher
      F43-11 (RL-) - Body ground Always 10 kΩ or higher
      F43-5 (RR+) - Body ground Always 10 kΩ or higher
      F43-12 (RR-) - Body ground Always 10 kΩ or higher
      F24-1 (WF1+) - Body ground Always 10 kΩ or higher
      F24-5 (WF1-) - Body ground Always 10 kΩ or higher
      F24-2 (WF2+) - Body ground Always 10 kΩ or higher
      F24-6 (WF2-) - Body ground Always 10 kΩ or higher
      F24-8 (CTR+) - Body ground Always 10 kΩ or higher
      F24-7 (CTR-) - Body ground Always 10 kΩ or higher
    12. Measure the resistance between each of the front No. 1 speakers and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I5-1 - Body ground Always 10 kΩ or higher
      I5-2 - Body ground Always 10 kΩ or higher
      H5-1 - Body ground Always 10 kΩ or higher
      H5-2 - Body ground Always 10 kΩ or higher
    13. Measure the resistance between each of the rear speakers and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K4-1 - Body ground Always 10 kΩ or higher
      K4-2 - Body ground Always 10 kΩ or higher
      J4-1 - Body ground Always 10 kΩ or higher
      J4-2 - Body ground Always 10 kΩ or higher
    14. w/ Manual (SOS) Switch

      Measure the resistance between the front No. 2 speaker RH and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G3-3 (TWR+) - Body ground Always 10 kΩ or higher
      G3-4 (TWR-) - 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 
    1. Resistance check
      Fig 1: Identifying I5 & H5 Front No. 1 Speaker Connector Terminals
      GTY278526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        I5-1 - I5-2 Always 3.2 to 4.8 Ω
        H5-1 - H5-2 Always 3.2 to 4.8 Ω
        TEXT IN ILLUSTRATION

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

    NG → See step   21 

    OK: Go to next step 

  4. INSPECT FRONT NO. 2 SPEAKER 
    1. Resistance check
      Fig 2: Identifying G5 & G3 Front No. 2 Speaker Connectors
      GTY276712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        G5-3 (TWL+) - G5-4 (TWL-) Always 10 kΩ or higher
        G5-3 (TWL+) - G5-1 (+) Always Below 1 Ω
        G5-4 (TWL-) - G5-2 (-) Always Below 1 Ω
        G3-3 (TWR+) - G3-4 (TWR-) Always 10 kΩ or higher
        G3-3 (TWR+) - G3-1 (+) Always Below 1 Ω
        G3-4 (TWR-) - G3-2 (-) Always Below 1 Ω
        TEXT IN ILLUSTRATION

        *A for LH
        *B for RH
        *1 Component without harness connected
        (Front No. 2 Speaker)

    NG → See step   26 

    OK: Go to next step 

  5. REPLACE FRONT NO. 2 SPEAKER 
    1. Check that the malfunction disappears when a known good speaker is installed. Refer to REMOVAL .

      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   6 

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

  6. INSPECT FRONT NO. 3 SPEAKER 
    1. Resistance check
      Fig 3: Identifying G2 Front No. 3 Speaker Connector Terminals
      GTY259777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        G2-1 - G2-2 Always 4.8 to 7.2 Ω
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (Front No. 3 Speaker)

    NG → See step   22 

    OK: Go to next step 

  7. INSPECT REAR SPEAKER 
    1. Resistance check
      Fig 4: Identifying K4 & J4 Rear Speaker Connectors
      GTY278752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        K4-1 - K4-2 Always 4 to 6 Ω
        J4-1 - J4-2 Always 4 to 6 Ω
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (Rear Speaker)

    NG → See step   23 

    OK: Go to next step 

  8. INSPECT REAR NO. 2 SPEAKER 
    1. Resistance check
      Fig 5: Identifying K6 & J6 Rear No. 2 Speaker Connectors
      GTY277179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        K6-3 (+TW) - K6-1 (-TW) Always 10 kΩ or higher
        K6-3 (+TW) - K6-4 (+) Always Below 1 Ω
        K6-1 (-TW) - K6-2 (-) Always Below 1 Ω
        J6-3 (+TW) - J6-1 (-TW) Always 10 kΩ or higher
        J6-3 (+TW) - J6-4 (+) Always Below 1 Ω
        J6-1 (-TW) - J6-2 (-) Always Below 1 Ω
        TEXT IN ILLUSTRATION

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

    NG → See step   28 

    OK: Go to next step 

  9. REPLACE REAR NO. 2 SPEAKER 
    1. Check that the malfunction disappears when a known good speaker is installed. Refer to REMOVAL .

      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   10 

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

  10. INSPECT REAR STEREO COMPONENT SPEAKER 
    1. Resistance check
      Fig 6: Identifying L37 Rear Stereo Component Speaker Connector
      GTY274438Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        L37-2 (WF1+) - L37-1 (WF1-) Always 2.4 to 3.6 Ω
        L37-4 (WF2+) - L37-3 (WF2-) Always 2.4 to 3.6 Ω
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (Rear Stereo Component Speaker)
    2. 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   20 

    C → See step   24 

    A → See step   25 

  11. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the connectors from the stereo component amplifier assembly, DCM (telematics transceiver)*1 and speakers.
      • *1: w/ Manual (SOS) Switch
    2. Measure the resistance between the front No. 1 speaker LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-3 (FL+) - I5-1 Always Below 1 Ω
      F43-8 (FL-) - I5-2 Always Below 1 Ω
    3. w/o Manual (SOS) Switch

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-10 (FR+) - H5-1 Always Below 1 Ω
      F43-9 (FR-) - H5-2 Always Below 1 Ω
    4. w/ Manual (SOS) Switch

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-10 (FR+) - F38-2 (SPI+) Always Below 1 Ω
      F43-9 (FR-) - F38-3 (SPI-) Always Below 1 Ω
    5. w/ Manual (SOS) Switch

      Measure the resistance between the front No. 1 speaker RH and the DCM (telematics transceiver) to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F38-5 (SPO+) - H5-1 Always Below 1 Ω
      F38-6 (SPO-) - H5-2 Always Below 1 Ω
    6. Measure the resistance between each of the front No. 2 speakers and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F24-4 (MR+) - G4-2 Always Below 1 Ω
      F24-10 (MR-) - G4-1 Always Below 1 Ω
      F24-3 (ML+) - G6-2 Always Below 1 Ω
      F24-9 (ML-) - G6-1 Always Below 1 Ω
    7. Measure the resistance between the front No. 3 speaker and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F24-8 (CTR+) - G2-2 Always Below 1 Ω
      F24-7 (CTR-) - G2-1 Always Below 1 Ω
    8. Measure the resistance between each of the rear No. 2 speakers and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-5 (RR+) - J6-3 (+TW) Always Below 1 Ω
      F43-12 (RR-) - J6-1 (-TW) Always Below 1 Ω
      F43-4 (RL+) - K6-3 (+TW) Always Below 1 Ω
      F43-11 (RL-) - K6-1 (-TW) Always Below 1 Ω
    9. Measure the resistance between each of the rear No. 2 speakers and the rear speakers to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J6-4 (+) - J4-1 Always Below 1 Ω
      J6-2 (-) - J4-2 Always Below 1 Ω
      K6-4 (+) - K4-1 Always Below 1 Ω
      K6-2 (-) - K4-2 Always Below 1 Ω
    10. Measure the resistance between the rear stereo component speaker and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F24-1 (WF1+) - L37-2 (WF1+) Always Below 1 Ω
      F24-5 (WF1-) - L37-1 (WF1-) Always Below 1 Ω
    11. Measure the resistance between each of the rear No. 3 speakers and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F43-2 (R+) - L36-2 Always Below 1 Ω
      F43-7 (R-) - L36-1 Always Below 1 Ω
      F43-1 (L+) - L23-2 Always Below 1 Ω
      F43-6 (L-) - L23-1 Always Below 1 Ω
    12. 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
      F43-10 (FR+) - Body ground Always 10 kΩ or higher
      F43-9 (FR-) - Body ground Always 10 kΩ or higher
      F43-3 (FL+) - Body ground Always 10 kΩ or higher
      F43-8 (FL-) - Body ground Always 10 kΩ or higher
      F43-5 (RR+) - Body ground Always 10 kΩ or higher
      F43-12 (RR-) - Body ground Always 10 kΩ or higher
      F43-4 (RL+) - Body ground Always 10 kΩ or higher
      F43-11 (RL-) - Body ground Always 10 kΩ or higher
      F43-2 (R+) - Body ground Always 10 kΩ or higher
      F43-7 (R-) - Body ground Always 10 kΩ or higher
      F43-1 (L+) - Body ground Always 10 kΩ or higher
      F43-6 (L-) - Body ground Always 10 kΩ or higher
      F24-1 (WF1+) - Body ground Always 10 kΩ or higher
      F24-5 (WF1-) - Body ground Always 10 kΩ or higher
      F24-4 (MR+) - Body ground Always 10 kΩ or higher
      F24-10 (MR-) - Body ground Always 10 kΩ or higher
      F24-3 (ML+) - Body ground Always 10 kΩ or higher
      F24-9 (ML-) - Body ground Always 10 kΩ or higher
      F24-8 (CTR+) - Body ground Always 10 kΩ or higher
      F24-7 (CTR-) - Body ground Always 10 kΩ or higher
    13. Measure the resistance between each of the rear No. 2 speakers and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J6-4 (+) - Body ground Always 10 kΩ or higher
      J6-2 (-) - Body ground Always 10 kΩ or higher
      K6-4 (+) - Body ground Always 10 kΩ or higher
      K6-2 (-) - Body ground Always 10 kΩ or higher
    14. w/ Manual (SOS) Switch

      Measure the resistance between each of the front No. 1 speaker RH and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H5-1 - Body ground Always 10 kΩ or higher
      H5-2 - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  12. INSPECT FRONT NO. 1 SPEAKER 
    1. Resistance check
      Fig 7: Identifying H5 & I5 Front No. 1 Speaker Connector
      GTY260235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        H5-1 - H5-2 Always 5 to 7 Ω
        I5-1 - I5-2 Always 5 to 7 Ω
        TEXT IN ILLUSTRATION

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

    NG → See step   21 

    OK: Go to next step 

  13. INSPECT FRONT NO. 2 SPEAKER 
    1. Resistance check
      Fig 8: Identifying G4 & G6 Front No. 2 Speaker Connector
      GTY268775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        G4-1 - G4-2 Always 4.6 to 7 Ω
        G6-1 - G6-2 Always 4.6 to 7 Ω
        TEXT IN ILLUSTRATION

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

    NG → See step   26 

    OK: Go to next step 

  14. INSPECT FRONT NO. 3 SPEAKER 
    1. Resistance check
      Fig 9: Identifying G2 Front No. 3 Speaker Connector
      GTY284918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        G2-1 - G2-2 Always 4.6 to 7 Ω
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (Front No. 3 Speaker)

    NG → See step   22 

    OK: Go to next step 

  15. INSPECT REAR SPEAKER 
    1. Resistance check
      Fig 10: Identifying J4 & K4 Rear Speaker Connector
      GTY260236Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        J4-1 - J4-2 Always 4.8 to 7.2 Ω
        K4-1 - K4-2 Always 4.8 to 7.2 Ω
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (Rear Speaker)

    NG → See step   23 

    OK: Go to next step 

  16. INSPECT REAR NO. 2 SPEAKER 
    1. Resistance check
      Fig 11: Identifying K6 & J6 Rear No. 2 Speaker Connectors
      GTY277179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        K6-3 (+TW) - K6-1 (-TW) Always 10 kΩ or higher
        K6-3 (+TW) - K6-4 (+) Always Below 1 Ω
        K6-1 (-TW) - K6-2 (-) Always Below 1 Ω
        J6-3 (+TW) - J6-1 (-TW) Always 10 kΩ or higher
        J6-3 (+TW) - J6-4 (+) Always Below 1 Ω
        J6-1 (-TW) - J6-2 (-) Always Below 1 Ω
        TEXT IN ILLUSTRATION

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

    NG → See step   28 

    OK: Go to next step 

  17. REPLACE REAR NO. 2 SPEAKER 
    1. Check that the malfunction disappears when a known good speaker is installed. Refer to REMOVAL .

      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   18 

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

  18. INSPECT REAR NO. 3 SPEAKER 
    1. Resistance check
      Fig 12: Identifying L36 & L23 Rear No. 3 Speaker Connectors
      GTY268773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        L36-1 - L36-2 Always 4.6 to 7 Ω
        L23-1 - L23-2 Always 4.6 to 7 Ω
        TEXT IN ILLUSTRATION

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

    NG → See step   27 

    OK: Go to next step 

  19. INSPECT REAR STEREO COMPONENT SPEAKER 
    1. Resistance check
      Fig 13: Identifying L37 Rear Stereo Component Speaker Connector
      GTY284987Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        L37-2 (WF1+) - L37-1 (WF1-) Always 10 to 18 Ω
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (Rear Stereo Component Speaker)
    2. Proceed to the next step based on the inspection result.

      Result

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

    B → See step   25 

    C → See step   24 

    A: Go to next step 

  20. INSPECT DCM (TELEMATICS TRANSCEIVER) 
    1. Resistance check
      Fig 14: Identifying F38 DCM Connectors (Telematics Transceiver)
      GTY278232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        F38-2 (SPI+) - F38-5 (SPO+) Always Below 1 Ω
        F38-3 (SPI-) - F38-6 (SPO-) Always Below 1 Ω
        F38-2 (SPI+) - F38-3 (SPI-) Always 10 kΩ or higher
        F38-5 (SPO+) - F38-6 (SPO-) Always 10 kΩ or higher
        F38-3 (SPI-) - Body ground Always 10 kΩ or higher
        F38-6 (SPO-) - Body ground Always 10 kΩ or higher
        TEXT IN ILLUSTRATION

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

    NG → See step   29 

    OK → See step   25 

  21. REPLACE FRONT NO. 1 SPEAKER. Refer to  REMOVAL 
  22. REPLACE FRONT NO. 3 SPEAKER. Refer to  REMOVAL 
  23. REPLACE REAR SPEAKER. Refer to  REMOVAL 
  24. REPLACE REAR STEREO COMPONENT SPEAKER. Refer to  REMOVAL 
  25. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
  26. REPLACE FRONT NO. 2 SPEAKER. Refer to  REMOVAL 
  27. REPLACE REAR NO. 3 SPEAKER. Refer to  REMOVAL 
  28. REPLACE REAR NO. 2 SPEAKER. Refer to  REMOVAL 
  29. REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL 
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