NAVIGATION 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

  • Telematics transceiver*

  • Stereo component amplifier assembly

WIRING DIAGRAM


  1. for 8 Speakers

    A01G9FXE09
    A01G48UE05

  2. for 15 Speakers

    A01G763E09
    A01G726E03

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
      for 8 Speakers (w/ Manual (SOS) Switch) A
      for 8 Speakers (w/o Manual (SOS) Switch) B
      for 15 Speakers (w/ Manual (SOS) Switch) C
      for 15 Speakers (w/o Manual (SOS) Switch) D

    B

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

    C

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

    D

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

    A

  2. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)


    1. Disconnect the H99 stereo component amplifier assembly connector.

    2. Disconnect the H101 telematics transceiver connector.

    3. Disconnect the H62 front No. 2 speaker assembly 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 N6 and O6 rear speaker assembly connectors.

    7. Disconnect the Q16 stereo component speaker assembly connector.

    8. 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
      H99-13 (FR+) - Body ground Always 10 kΩ or higher
      H99-28 (FR-) - Body ground Always 10 kΩ or higher
      H99-12 (FL+) - Body ground Always 10 kΩ or higher
      H99-27 (FL-) - Body ground Always 10 kΩ or higher
      H99-5 (WFR+) - Body ground Always 10 kΩ or higher
      H99-20 (WFR-) - Body ground Always 10 kΩ or higher
      H99-4 (WFL+) - Body ground Always 10 kΩ or higher
      H99-19 (WFL-) - Body ground Always 10 kΩ or higher
      H99-7 (CTR+) - Body ground Always 10 kΩ or higher
      H99-22 (CTR-) - Body ground Always 10 kΩ or higher
      H99-15 (RR+) - Body ground Always 10 kΩ or higher
      H99-30 (RR-) - Body ground Always 10 kΩ or higher
      H99-14 (RL+) - Body ground Always 10 kΩ or higher
      H99-29 (RL-) - Body ground Always 10 kΩ or higher
      H99-6 (WF1+) - Body ground Always 10 kΩ or higher
      H99-21 (WF1-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - 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+) - Body ground Always 10 kΩ or higher
      H101-6 (SPO-) - 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. A01G57PE30
      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+) - Body ground Always 10 kΩ or higher
      3 (SPI-) - Body ground Always 10 kΩ or higher

    3. Proceed to the next step based on the inspection result.

      Result
      Result Proceed to
      NG A
      OK B

    B

    INSPECT FRONT NO. 2 SPEAKER ASSEMBLY Click here

    A

    REPLACE TELEMATICS TRANSCEIVER Click here

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


    1. Disconnect the H99 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 J2 front No. 3 speaker assembly connector.

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

    6. Disconnect the Q16 stereo component 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
      H99-13 (FR+) - Body ground Always 10 kΩ or higher
      H99-28 (FR-) - Body ground Always 10 kΩ or higher
      H99-12 (FL+) - Body ground Always 10 kΩ or higher
      H99-27 (FL-) - Body ground Always 10 kΩ or higher
      H99-5 (WFR+) - Body ground Always 10 kΩ or higher
      H99-20 (WFR-) - Body ground Always 10 kΩ or higher
      H99-4 (WFL+) - Body ground Always 10 kΩ or higher
      H99-19 (WFL-) - Body ground Always 10 kΩ or higher
      H99-7 (CTR+) - Body ground Always 10 kΩ or higher
      H99-22 (CTR-) - Body ground Always 10 kΩ or higher
      H99-15 (RR+) - Body ground Always 10 kΩ or higher
      H99-30 (RR-) - Body ground Always 10 kΩ or higher
      H99-14 (RL+) - Body ground Always 10 kΩ or higher
      H99-29 (RL-) - Body ground Always 10 kΩ or higher
      H99-6 (WF1+) - Body ground Always 10 kΩ or higher
      H99-21 (WF1-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


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

    2. A01G9TME30
      Text in Illustration
      *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

  7. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


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

    2. A01G4WQE07
      Text in Illustration
      *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

  8. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


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

    2. A01G9TME30
      Text in Illustration
      *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

  9. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly Click here.

    2. A01G4WQE07
      Text in Illustration
      *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

  10. INSPECT STEREO COMPONENT SPEAKER ASSEMBLY


    1. Remove the stereo component speaker assembly Click here.

    2. A01G4WQE07
      Text in Illustration
      *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

    NG

    REPLACE STEREO COMPONENT SPEAKER ASSEMBLY Click here

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

  11. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)


    1. Disconnect the H99 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 N7 and O7 rear No. 2 speaker assembly connectors.

    7. Disconnect the Q15 and P32 rear header speaker assembly connectors.

    8. Disconnect the Q16 stereo component speaker assembly connector.

    9. 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
      H99-13 (FR+) - Body ground Always 10 kΩ or higher
      H99-28 (FR-) - Body ground Always 10 kΩ or higher
      H99-12 (FL+) - Body ground Always 10 kΩ or higher
      H99-27 (FL-) - Body ground Always 10 kΩ or higher
      H99-5 (WFR+) - Body ground Always 10 kΩ or higher
      H99-20 (WFR-) - Body ground Always 10 kΩ or higher
      H99-4 (WFL+) - Body ground Always 10 kΩ or higher
      H99-19 (WFL-) - Body ground Always 10 kΩ or higher
      H99-7 (CTR+) - Body ground Always 10 kΩ or higher
      H99-22 (CTR-) - Body ground Always 10 kΩ or higher
      H99-15 (RR+) - Body ground Always 10 kΩ or higher
      H99-30 (RR-) - Body ground Always 10 kΩ or higher
      H99-14 (RL+) - Body ground Always 10 kΩ or higher
      H99-29 (RL-) - Body ground Always 10 kΩ or higher
      H99-11 (SR+) - Body ground Always 10 kΩ or higher
      H99-26 (SR-) - Body ground Always 10 kΩ or higher
      H99-10 (SL+) - Body ground Always 10 kΩ or higher
      H99-25 (SL-) - Body ground Always 10 kΩ or higher
      H99-6 (WF1+) - Body ground Always 10 kΩ or higher
      H99-21 (WF1-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. CHECK HARNESS AND CONNECTOR (REAR NO. 2 SPEAKER ASSEMBLY - BODY GROUND)


    1. Disconnect the N7 and O7 rear No. 2 speaker assembly connectors.

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

    3. 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
      N7-4 (+) - Body ground Always 10 kΩ or higher
      N7-2 (-) - Body ground Always 10 kΩ or higher
      O7-4 (+) - Body ground Always 10 kΩ or higher
      O7-2 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  13. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - 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+) - Body ground Always 10 kΩ or higher
      H101-6 (SPO-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver Click here.

    2. A01G57PE30
      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+) - Body ground Always 10 kΩ or higher
      3 (SPI-) - Body ground Always 10 kΩ or higher

    3. Proceed to the next step based on the inspection result.

      Result
      Result Proceed to
      NG A
      OK B

    B

    INSPECT FRONT NO. 2 SPEAKER ASSEMBLY Click here

    A

    REPLACE TELEMATICS TRANSCEIVER Click here

  15. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)


    1. Disconnect the H99 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 J2 front No. 3 speaker assembly connector.

    5. Disconnect the N7 and O7 rear No. 2 speaker assembly connectors.

    6. Disconnect the Q15 and P32 rear header speaker assembly connectors.

    7. Disconnect the Q16 stereo component speaker assembly connector.

    8. 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
      H99-13 (FR+) - Body ground Always 10 kΩ or higher
      H99-28 (FR-) - Body ground Always 10 kΩ or higher
      H99-12 (FL+) - Body ground Always 10 kΩ or higher
      H99-27 (FL-) - Body ground Always 10 kΩ or higher
      H99-5 (WFR+) - Body ground Always 10 kΩ or higher
      H99-20 (WFR-) - Body ground Always 10 kΩ or higher
      H99-4 (WFL+) - Body ground Always 10 kΩ or higher
      H99-19 (WFL-) - Body ground Always 10 kΩ or higher
      H99-7 (CTR+) - Body ground Always 10 kΩ or higher
      H99-22 (CTR-) - Body ground Always 10 kΩ or higher
      H99-15 (RR+) - Body ground Always 10 kΩ or higher
      H99-30 (RR-) - Body ground Always 10 kΩ or higher
      H99-14 (RL+) - Body ground Always 10 kΩ or higher
      H99-29 (RL-) - Body ground Always 10 kΩ or higher
      H99-11 (SR+) - Body ground Always 10 kΩ or higher
      H99-26 (SR-) - Body ground Always 10 kΩ or higher
      H99-10 (SL+) - Body ground Always 10 kΩ or higher
      H99-25 (SL-) - Body ground Always 10 kΩ or higher
      H99-6 (WF1+) - Body ground Always 10 kΩ or higher
      H99-21 (WF1-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  16. CHECK HARNESS AND CONNECTOR (REAR NO. 2 SPEAKER ASSEMBLY - BODY GROUND)


    1. Disconnect the N7 and O7 rear No. 2 speaker assembly connectors.

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

    3. 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
      N7-4 (+) - Body ground Always 10 kΩ or higher
      N7-2 (-) - Body ground Always 10 kΩ or higher
      O7-4 (+) - Body ground Always 10 kΩ or higher
      O7-2 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  17. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


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

    2. A01G9TME30
      Text in Illustration
      *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 6.5 to 9.7 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  18. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY


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

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check that no DTCs are output.

      OK
      No DTCs are output.

      Tech Tips


      • Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.

      • When there is a possibility that either the right or left front No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.

      • Perform the above inspection on both the LH and RH side.


    NG

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

    END

  19. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


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

    2. A01G4WQE07
      Text in Illustration
      *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 4.2 to 6.2 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  20. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


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

    2. A01G9TME30
      Text in Illustration
      *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 6.5 to 9.7 Ω

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  21. REPLACE FRONT NO. 3 SPEAKER ASSEMBLY


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

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check that no DTCs are output.

      OK
      No DTCs are output.

    NG

    INSPECT REAR SPEAKER ASSEMBLY Click here

    OK

    END

  22. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly Click here.

    2. A01G4WQE07
      Text in Illustration
      *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 3.6 to 5.6 Ω

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  23. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


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

    2. A01G4WPE13
      Text in Illustration
      *a

      Component without harness connected

      (Rear No. 2 Speaker Assembly)

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

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

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  24. REPLACE REAR NO. 2 SPEAKER ASSEMBLY


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

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check that no DTCs are output.

      OK
      No DTCs are output.

      Tech Tips


      • Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.

      • When there is a possibility that either the right or left rear No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.

      • Perform the above inspection on both the LH and RH side.


    NG

    INSPECT REAR HEADER SPEAKER ASSEMBLY Click here

    OK

    END

  25. INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. Remove the rear header speaker assembly Click here.

    2. A01G98DE06
      Text in Illustration
      *a

      Component without harness connected

      (Rear Header Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 7.0 to 10.6 Ω

    NG

    REPLACE REAR HEADER SPEAKER ASSEMBLY Click here

    OK

  26. INSPECT STEREO COMPONENT SPEAKER ASSEMBLY


    1. Remove the stereo component speaker assembly Click here.

    2. A01G4WQE07
      Text in Illustration
      *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 5.0 to 7.0 Ω

    NG

    REPLACE STEREO COMPONENT SPEAKER ASSEMBLY Click here

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here