AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B15C3

DTC Code DTC Name
B15C3 Speaker Output Short

DESCRIPTION

This DTC is stored when a malfunction occurs in the speakers.

DTC No. DTC Detection Condition Trouble Area
B15C3 A short is detected in the speaker output circuit

  • Harness or connector

  • Speaker

  • Stereo component amplifier assembly

  • Telematics transceiver*

  • Radio receiver assembly

WIRING DIAGRAM

B001OHWE18
B001O5DE30

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 Precaution for Audio and Visual System.

    Click here

PROCEDURE


  1. CONFIRM MODEL


    1. Choose the model to be inspected.

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

    B

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY, SPEAKERS - BODY GROUND) Click here

    A

  2. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY, TELEMATICS TRANSCEIVER, SPEAKERS - BODY GROUND)


    1. Disconnect the H88 stereo component amplifier assembly connector.

    2. Disconnect the H101 telematics transceiver connector.

    3. Disconnect the H62 front No. 2 speaker assembly LH connector.

    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 Q16 stereo component speaker assembly connector.

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H88-13 (FR+) or H101-2 (SPI+) - Body ground Always 10 kΩ or higher
      H88-28 (FR-) or H101-3 (SPI-) - Body ground Always 10 kΩ or higher
      H88-12 (FL+) or H62-2 - Body ground Always 10 kΩ or higher
      H88-27 (FL-) or H62-1 - Body ground Always 10 kΩ or higher
      H88-5 (WFR+) or L6-1 - Body ground Always 10 kΩ or higher
      H88-20 (WFR-) or L6-2 - Body ground Always 10 kΩ or higher
      H88-15 (RR+) or N6-1 - Body ground Always 10 kΩ or higher
      H88-30 (RR-) or N6-2 - Body ground Always 10 kΩ or higher
      H88-14 (RL+) or O6-1 - Body ground Always 10 kΩ or higher
      H88-29 (RL-) or O6-2 - Body ground Always 10 kΩ or higher
      H88-7 (CTR+) or J2-2 - Body ground Always 10 kΩ or higher
      H88-22 (CTR-) or J2-1 - Body ground Always 10 kΩ or higher
      H88-4 (WFL+) or M5-1 - Body ground Always 10 kΩ or higher
      H88-19 (WFL-) or M5-2 - Body ground Always 10 kΩ or higher
      H88-6 (WF1+) or Q16-1 - Body ground Always 10 kΩ or higher
      H88-21 (WF1-) or Q16-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER, SPEAKERS - BODY GROUND)


    1. Disconnect the H101 telematics transceiver connector.

    2. Disconnect the H63 front No. 2 speaker assembly RH connector.

    3. Measure the resistance between the telematics transceiver and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H101-5 (SPO+) or H63-2 - Body ground Always 10 kΩ or higher
      H101-6 (SPO-) or H63-1 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver Click here.

    2. B001NMHC24
      *a

      Component without harness connected

      (Telematics Transceiver)

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

      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
      2 (SPI+) or 5 (SPO+) - Body ground Always 10 kΩ or higher
      3 (SPI-) or 6 (SPO-) - Body ground Always 10 kΩ or higher

    OK

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY Click here

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

  5. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY, SPEAKERS - BODY GROUND)


    1. Disconnect the H88 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 N6 and O6 rear speaker assembly connectors.

    5. Disconnect the Q16 stereo component speaker assembly connector.

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

    7. 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
      H88-13 (FR+) - Body ground Always 10 kΩ or higher
      H88-28 (FR-) - Body ground Always 10 kΩ or higher
      H88-12 (FL+) or H62-2 - Body ground Always 10 kΩ or higher
      H88-27 (FL-) or H62-1 - Body ground Always 10 kΩ or higher
      H88-5 (WFR+) or L6-1 - Body ground Always 10 kΩ or higher
      H88-20 (WFR-) or L6-2 - Body ground Always 10 kΩ or higher
      H88-15 (RR+) or N6-1 - Body ground Always 10 kΩ or higher
      H88-30 (RR-) or N6-2 - Body ground Always 10 kΩ or higher
      H88-14 (RL+) or O6-1 - Body ground Always 10 kΩ or higher
      H88-29 (RL-) or O6-2 - Body ground Always 10 kΩ or higher
      H88-4 (WFL+) or M5-1 - Body ground Always 10 kΩ or higher
      H88-19 (WFL-) or M5-2 - Body ground Always 10 kΩ or higher
      H88-7 (CTR+) or J2-2 - Body ground Always 10 kΩ or higher
      H88-22 (CTR-) or J2-1 - Body ground Always 10 kΩ or higher
      H88-6 (WF1+) or Q16-1 - Body ground Always 10 kΩ or higher
      H88-21 (WF1-) or Q16-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


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

    2. B001NN1C01
      *a

      Component without harness connected

      (Front No. 1 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  7. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


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

    2. B001NZ6C45
      *a

      Component without harness connected

      (Front No. 2 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  8. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly Click here.

    2. B001NN1C02
      *a

      Component without harness connected

      (Rear Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  9. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


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

    2. B001NZ6C46
      *a

      Component without harness connected

      (Front No. 3 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 4.0 to 6.0 Ω

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  10. INSPECT STEREO COMPONENT SPEAKER ASSEMBLY


    1. Remove the stereo component speaker assembly Click here.

    2. B001NN1C03
      *a

      Component without harness connected

      (Stereo Component Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 2.0 to 3.0 Ω

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE STEREO COMPONENT SPEAKER ASSEMBLY Click here