AUDIO AND VISUAL SYSTEM Speaker Circuit

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, DCM (telematics transceiver)* or speakers.


WIRING DIAGRAM

A000OVJE11
A000PL2E09

CAUTION / NOTICE / HINT

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Click here

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - SPEAKERS AND DCM [TELEMATICS TRANSCEIVER])


    • *1: for RH Side

    • *2: for LH Side

    • *3: for 17 Speakers

    • *4: w/ Telematics Transceiver

    • *5: w/o Telematics Transceiver


    1. Disconnect the T40 stereo component amplifier assembly connector.

    2. Disconnect the Q1*1 and/or Q16*2 front No. 1 speaker assembly connector.

    3. Disconnect the N89*1 and/or N21*2 front No. 2 speaker assembly connector.

    4. Disconnect the N61 front No. 3 speaker assembly connector.

    5. Disconnect the R4*1 and/or R12*2 rear No. 2 speaker assembly connector.

    6. Disconnect the T24 rear No. 3 speaker assembly connector.

    7. Disconnect the T25*1 and/or U26*2 rear header speaker assembly connector*3.

    8. Disconnect the N169 DCM (telematics transceiver) connector*4.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T40-5 (WFR+) - Q1-1 Always Below 1 Ω
      T40-20 (WFR-) - Q1-2 Always Below 1 Ω
      T40-4 (WFL+) - Q16-1 Always Below 1 Ω
      T40-19 (WFL-) - Q16-2 Always Below 1 Ω
      T40-13 (FR+) - N169-2 (SPI+)*4 Always Below 1 Ω
      T40-28 (FR-) - N169-3 (SPI-)*4 Always Below 1 Ω
      N169-5 (SPO+) - N89-2 (+)*4 Always Below 1 Ω
      N169-6 (SPO-) - N89-1 (-)*4 Always Below 1 Ω
      T40-13 (FR+) - N89-2 (+)*5 Always Below 1 Ω
      T40-28 (FR-) - N89-1 (-)*5 Always Below 1 Ω
      T40-12 (FL+) - N21-2 (+) Always Below 1 Ω
      T40-27 (FL-) - N21-1 (-) Always Below 1 Ω
      T40-7 (CTR+) - N61-2 (+) Always Below 1 Ω
      T40-22 (CTR-) - N61-1 (-) Always Below 1 Ω
      T40-15 (RR+) - R4-3 (+TW) Always Below 1 Ω
      T40-30 (RR-) - R4-1 (-TW) Always Below 1 Ω
      T40-14 (RL+) - R12-3 (+TW) Always Below 1 Ω
      T40-29 (RL-) - R12-1 (-TW) Always Below 1 Ω
      T40-6 (WF1+) - T24-1 Always Below 1 Ω
      T40-21 (WF1-) - T24-2 Always Below 1 Ω
      T40-11 (SR+) - T25-2 (+)*3 Always Below 1 Ω
      T40-26 (SR-) - T25-1 (-)*3 Always Below 1 Ω
      T40-10 (SL+) - U26-2 (+)*3 Always Below 1 Ω
      T40-25 (SL-) - U26-1 (-)*3 Always Below 1 Ω
      T40-5 (WFR+) - Body ground Always 10 kΩ or higher
      T40-20 (WFR-) - Body ground Always 10 kΩ or higher
      T40-4 (WFL+) - Body ground Always 10 kΩ or higher
      T40-19 (WFL-) - Body ground Always 10 kΩ or higher
      T40-13 (FR+) - Body ground Always 10 kΩ or higher
      T40-28 (FR-) - Body ground Always 10 kΩ or higher
      N169-5 (SPO+) - Body ground*4 Always 10 kΩ or higher
      N169-6 (SPO-) - Body ground*4 Always 10 kΩ or higher
      T40-12 (FL+) - Body ground Always 10 kΩ or higher
      T40-27 (FL-) - Body ground Always 10 kΩ or higher
      T40-7 (CTR+) - Body ground Always 10 kΩ or higher
      T40-22 (CTR-) - Body ground Always 10 kΩ or higher
      T40-15 (RR+) - Body ground Always 10 kΩ or higher
      T40-30 (RR-) - Body ground Always 10 kΩ or higher
      T40-14 (RL+) - Body ground Always 10 kΩ or higher
      T40-29 (RL-) - Body ground Always 10 kΩ or higher
      T40-6 (WF1+) - Body ground Always 10 kΩ or higher
      T40-21 (WF1-) - Body ground Always 10 kΩ or higher
      T40-11 (SR+) - Body ground*3 Always 10 kΩ or higher
      T40-26 (SR-) - Body ground*3 Always 10 kΩ or higher
      T40-10 (SL+) - Body ground*3 Always 10 kΩ or higher
      T40-25 (SL-) - Body ground*3 Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly Click here.

    2. Inspect the front No. 1 speaker assembly Click here.


    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  3. CHECK FRONT NO. 2 SPEAKER ASSEMBLY


    1. Replace the front No. 2 speaker assembly with a new or known good one.

      Click here

    2. Check the malfunction disappears.

      OK
      Malfunction disappears.
      Result
      Result Proceed to
      OK A
      NG (for 17 Speakers) B
      NG (for 12 Speakers) C

    A

    END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    C

    INSPECT FRONT NO. 3 SPEAKER ASSEMBLY Click here

    B

  4. CHECK FRONT NO. 3 SPEAKER ASSEMBLY


    1. Replace the front No. 3 speaker assembly with a new or known good one.

      Click here

    2. Check the malfunction disappears.

      OK
      Malfunction disappears.

    OK

    END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

    NG

    CHECK HARNESS AND CONNECTOR (REAR NO. 2 SPEAKER ASSEMBLY - REAR SPEAKER ASSEMBLY) Click here

  5. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY

    Click here


    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (REAR NO. 2 SPEAKER ASSEMBLY - REAR SPEAKER ASSEMBLY)


    • *1: for RH Side

    • *2: for LH Side


    1. Disconnect the R4*1 and/or R12*2 rear No. 2 speaker assembly connector.

    2. Disconnect the R5*1 and/or R13*2 rear speaker assembly connector.

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

      Standard Resistance
      for RH Side
      Tester Connection Condition Specified Condition
      R4-4 (+) - R5-1 Always Below 1 Ω
      R4-2 (-) - R5-2 Always Below 1 Ω
      R4-4 (+) - Body ground Always 10 kΩ or higher
      R4-2 (-) - Body ground Always 10 kΩ or higher
      for LH Side
      Tester Connection Condition Specified Condition
      R12-4 (+) - R13-1 Always Below 1 Ω
      R12-2 (-) - R13-2 Always Below 1 Ω
      R12-4 (+) - Body ground Always 10 kΩ or higher
      R12-2 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly Click here.

    2. Inspect the rear speaker assembly Click here.


    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  8. CHECK REAR NO. 2 SPEAKER ASSEMBLY


    1. Replace the rear No. 2 speaker assembly with a new or known good one.

      Click here

    2. Check the malfunction disappears.

      OK
      Malfunction disappears.

    OK

    END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    NG

  9. INSPECT REAR NO. 3 SPEAKER ASSEMBLY


    1. Remove the rear No. 3 speaker assembly Click here.

    2. Inspect the rear No. 3 speaker assembly Click here.

      Result
      Result Proceed to
      OK (for 17 Speakers) A
      OK (for 12 Speakers [w/ Telematics Transceiver]) B
      OK (for 12 Speakers [w/o Telematics Transceiver]) C
      NG D

    B

    CHECK DCM (TELEMATICS TRANSCEIVER) Click here

    C

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    D

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

    A

  10. CHECK REAR HEADER SPEAKER ASSEMBLY


    1. Replace the rear header speaker assembly with a new or known good one.

      Click here

    2. Check the malfunction disappears.

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

    A

    END (REAR HEADER SPEAKER ASSEMBLY IS DEFECTIVE)

    C

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    B

  11. CHECK DCM (TELEMATICS TRANSCEIVER)


    1. Replace the DCM (telematics transceiver) with a new one.

      Click here

    2. Check the malfunction disappears.

      OK
      Malfunction disappears.

    OK

    END (DCM [TELEMATICS TRANSCEIVER] IS DEFECTIVE)

    NG

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here