NAVIGATION SYSTEM (for Radio and Display Type), 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*


WIRING DIAGRAM

B000MJPE06
B000L2OE03

INSPECTION PROCEDURE

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


    1. Disconnect the I68 stereo component amplifier assembly connector.

    2. Disconnect the I218 telematics transceiver connector.

    3. Disconnect the K5 and J5 front No. 1 speaker assembly connectors.

    4. Disconnect the I60 front No. 3 speaker assembly connector.

    5. Disconnect the O19 and O20 rear No. 2 speaker assembly connectors.

    6. Disconnect the O22 rear speaker assembly connector.

    7. Disconnect the I2 front No. 2 speaker assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I68-15 (FR+) or J5-1 - Body ground Always 10 kΩ or higher
      I68-30 (FR-) or J5-2 - Body ground Always 10 kΩ or higher
      I68-11 (FL+) or K5-1 - Body ground Always 10 kΩ or higher
      I68-26 (FL-) or K5-2 - Body ground Always 10 kΩ or higher
      I68-13 (CTR+) or I60-2 - Body ground Always 10 kΩ or higher
      I68-28 (CTR-) or I60-1 - Body ground Always 10 kΩ or higher
      I68-10 (SR+) or O19-2 - Body ground Always 10 kΩ or higher
      I68-25 (SR-) or O19-1 - Body ground Always 10 kΩ or higher
      I68-9 (SL+) or O20-2 - Body ground Always 10 kΩ or higher
      I68-24 (SL-) or O20-1 - Body ground Always 10 kΩ or higher
      I68-8 (WF1+) or O22-1 - Body ground Always 10 kΩ or higher
      I68-23 (WF1-) or O22-2 - Body ground Always 10 kΩ or higher
      I68-12 (TWR+) or I218-2 (SPI+) - Body ground Always 10 kΩ or higher
      I68-27 (TWR-) or I218-3 (SPI-) - Body ground Always 10 kΩ or higher
      I68-14 (TWL+) or I2-4 - Body ground Always 10 kΩ or higher
      I68-29 (TWL-) or I2-3 - Body ground Always 10 kΩ or higher

    NG
    OK
  3. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER OR SPEAKERS - BODY GROUND)


    1. Disconnect the I218 telematics transceiver connector.

    2. Disconnect the I84 front No. 2 speaker assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I218-5 (SPO+) or I84-4 - Body ground Always 10 kΩ or higher
      I218-6 (SPO-) or I84-3 - Body ground Always 10 kΩ or higher

    NG
    OK
  4. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver Click here.

    2. B000LO9E36
      Text in Illustration
      *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
      Result
      Result Proceed to
      NG A
      OK B

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


    1. Disconnect the I68 stereo component amplifier assembly connector.

    2. Disconnect the J5 and K5 front No. 1 speaker assembly connectors.

    3. Disconnect the I60 front No. 3 speaker assembly connector.

    4. Disconnect the O19 and O20 rear No. 2 speaker assembly connectors.

    5. Disconnect the O22 rear speaker assembly connector.

    6. Disconnect the I84 and I2 front No. 2 speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I68-15 (FR+) or J5-1 - Body ground Always 10 kΩ or higher
      I68-30 (FR-) or J5-2 - Body ground Always 10 kΩ or higher
      I68-11 (FL+) or K5-1 - Body ground Always 10 kΩ or higher
      I68-26 (FL-) or K5-2 - Body ground Always 10 kΩ or higher
      I68-13 (CTR+) or I60-2 - Body ground Always 10 kΩ or higher
      I68-28 (CTR-) or I60-1 - Body ground Always 10 kΩ or higher
      I68-10 (SR+) or O19-2 - Body ground Always 10 kΩ or higher
      I68-25 (SR-) or O19-1 - Body ground Always 10 kΩ or higher
      I68-9 (SL+) or O20-2 - Body ground Always 10 kΩ or higher
      I68-24 (SL-) or O20-1 - Body ground Always 10 kΩ or higher
      I68-8 (WF1+) or O22-1 - Body ground Always 10 kΩ or higher
      I68-23 (WF1-) or O22-2 - Body ground Always 10 kΩ or higher
      I68-12 (TWR+) or I84-4 - Body ground Always 10 kΩ or higher
      I68-27 (TWR-) or I84-3 - Body ground Always 10 kΩ or higher
      I68-14 (TWL+) or I2-4 - Body ground Always 10 kΩ or higher
      I68-29 (TWL-) or I2-3 - Body ground Always 10 kΩ or higher

    NG
    OK
  6. 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
    OK
  7. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


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

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


    NG
    OK
  8. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


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

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


    NG
    OK
  9. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly Click here.

    2. Inspect the rear speaker assembly Click here.


    NG
    OK
  10. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


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

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


    NG
    OK