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*1

  • Stereo component amplifier assembly

WIRING DIAGRAM


  1. for 10 Speakers:

    B001LUFE03
    B001L4QE05
    *a Rear Speaker Assembly RH
    *b Rear Speaker Assembly LH
    *c No. 1 Speaker Assembly with Box
    *d Stereo Component Amplifier Assembly

  2. for 13 Speakers:

    B001KTWE04
    B001LGPE03
    *a Rear No. 2 Speaker Assembly RH
    *b Rear No. 2 Speaker Assembly LH
    *c No. 1 Speaker Assembly with Box
    *d Stereo Component Amplifier Assembly

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 Navigation System Click here.

PROCEDURE


  1. CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for 10 Speakers (w/ Manual (SOS) Switch) A
      for 10 Speakers (w/o Manual (SOS) Switch) B
      for 13 Speakers (w/ Manual (SOS) Switch) C
      for 13 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 H157 stereo component amplifier assembly connector.

    2. Disconnect the H145 telematics transceiver connector.

    3. Disconnect the I5 front No. 2 speaker assembly LH connector.

    4. Disconnect the I6 front No. 3 speaker assembly LH connector.

    5. Disconnect the J1 and K1 front No. 1 speaker assembly connectors.

    6. Disconnect the I2 front No. 4 speaker assembly connector.

    7. Disconnect the L4 and M4 rear speaker assembly connectors.

    8. Disconnect the P15 No. 1 speaker assembly with box 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
      H157-5 (MR+) - Body ground Always 10 kΩ or higher
      H157-20 (MR-) - Body ground Always 10 kΩ or higher
      H157-4 (ML+) - Body ground Always 10 kΩ or higher
      H157-19 (ML-) - Body ground Always 10 kΩ or higher
      H157-13 (FR+) - Body ground Always 10 kΩ or higher
      H157-28 (FR-) - Body ground Always 10 kΩ or higher
      H157-12 (FL+) - Body ground Always 10 kΩ or higher
      H157-27 (FL-) - Body ground Always 10 kΩ or higher
      H157-7 (CTR+) - Body ground Always 10 kΩ or higher
      H157-22 (CTR-) - Body ground Always 10 kΩ or higher
      H157-15 (RR+) - Body ground Always 10 kΩ or higher
      H157-30 (RR-) - Body ground Always 10 kΩ or higher
      H157-14 (RL+) - Body ground Always 10 kΩ or higher
      H157-29 (RL-) - Body ground Always 10 kΩ or higher
      H157-6 (WF1+) - Body ground Always 10 kΩ or higher
      H157-21 (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 H145 telematics transceiver connector.

    2. Disconnect the I3 front No. 2 speaker assembly RH connector.

    3. Disconnect the I4 front No. 3 speaker assembly RH connector.

    4. 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
      H145-5 (SPO+)- Body ground Always 10 kΩ or higher
      H145-6 (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. B001MVFE30
      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

    A

    REPLACE TELEMATICS TRANSCEIVER Click here

    B

    INSPECT FRONT NO. 2 SPEAKER ASSEMBLY Click here

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


    1. Disconnect the H157 stereo component amplifier assembly connector.

    2. Disconnect the I3 and I5 front No. 2 speaker assembly connectors.

    3. Disconnect the I4 and I6 front No. 3 speaker assembly connectors.

    4. Disconnect the J1 and K1 front No. 1 speaker assembly connectors.

    5. Disconnect the I2 front No. 4 speaker assembly connector.

    6. Disconnect the L4 and M4 rear speaker assembly connectors.

    7. Disconnect the P15 No. 1 speaker assembly with box 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
      H157-5 (MR+) - Body ground Always 10 kΩ or higher
      H157-20 (MR-) - Body ground Always 10 kΩ or higher
      H157-4 (ML+) - Body ground Always 10 kΩ or higher
      H157-19 (ML-) - Body ground Always 10 kΩ or higher
      H157-13 (FR+) - Body ground Always 10 kΩ or higher
      H157-28 (FR-) - Body ground Always 10 kΩ or higher
      H157-12 (FL+) - Body ground Always 10 kΩ or higher
      H157-27 (FL-) - Body ground Always 10 kΩ or higher
      H157-7 (CTR+) - Body ground Always 10 kΩ or higher
      H157-22 (CTR-) - Body ground Always 10 kΩ or higher
      H157-15 (RR+) - Body ground Always 10 kΩ or higher
      H157-30 (RR-) - Body ground Always 10 kΩ or higher
      H157-14 (RL+) - Body ground Always 10 kΩ or higher
      H157-29 (RL-) - Body ground Always 10 kΩ or higher
      H157-6 (WF1+) - Body ground Always 10 kΩ or higher
      H157-21 (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. B001LMWE30
      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. 3 SPEAKER ASSEMBLY


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

    2. B001LXRE06
      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 10 kΩ or higher

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  8. 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.

      Tech Tips


      • Connect all the connectors to the front No. 3 speaker assemblies that were disconnected.

      • When there is a possibility that either the right or left front No. 3 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.


    OK

    END

    NG

  9. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


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

    2. B001LJHE07
      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

  10. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY


    1. Remove the front No. 4 speaker assembly Click here.

    2. B001LMWE30
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 4 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. 4 SPEAKER ASSEMBLY Click here

    OK

  11. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly Click here.

    2. B001LJHE07
      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

  12. INSPECT NO. 1 SPEAKER ASSEMBLY WITH BOX


    1. Remove the No. 1 speaker assembly with box Click here.

    2. B001MTLE21
      Text in Illustration
      *a

      Component without harness connected

      (No. 1 Speaker Assembly with Box)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (WF1+) - 4 (WF2+) Always 1.6 to 2.4 Ω

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE NO. 1 SPEAKER ASSEMBLY WITH BOX Click here

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


    1. Disconnect the H157 stereo component amplifier assembly connector.

    2. Disconnect the H145 telematics transceiver connector.

    3. Disconnect the I5 front No. 2 speaker assembly LH connector.

    4. Disconnect the I6 front No. 3 speaker assembly LH connector.

    5. Disconnect the J1 and K1 front No. 1 speaker assembly connectors.

    6. Disconnect the I2 front No. 4 speaker assembly connector.

    7. Disconnect the Q10 and P14 rear No. 2 speaker assembly connectors.

    8. Disconnect the P15 No. 1 speaker assembly with box 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
      H157-5 (MR+) - Body ground Always 10 kΩ or higher
      H157-20 (MR-) - Body ground Always 10 kΩ or higher
      H157-4 (ML+) - Body ground Always 10 kΩ or higher
      H157-19 (ML-) - Body ground Always 10 kΩ or higher
      H157-13 (FR+) - Body ground Always 10 kΩ or higher
      H157-28 (FR-) - Body ground Always 10 kΩ or higher
      H157-12 (FL+) - Body ground Always 10 kΩ or higher
      H157-27 (FL-) - Body ground Always 10 kΩ or higher
      H157-7 (CTR+) - Body ground Always 10 kΩ or higher
      H157-22 (CTR-) - Body ground Always 10 kΩ or higher
      H157-15 (RR+) - Body ground Always 10 kΩ or higher
      H157-30 (RR-) - Body ground Always 10 kΩ or higher
      H157-14 (RL+) - Body ground Always 10 kΩ or higher
      H157-29 (RL-) - Body ground Always 10 kΩ or higher
      H157-6 (WF1+) - Body ground Always 10 kΩ or higher
      H157-8 (WF2+) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - BODY GROUND)


    1. Disconnect the H145 telematics transceiver connector.

    2. Disconnect the I3 front No. 2 speaker assembly RH connector.

    3. Disconnect the I4 front No. 3 speaker assembly RH connector.

    4. 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
      H145-5 (SPO+)- Body ground Always 10 kΩ or higher
      H145-6 (SPO-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  15. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver Click here.

    2. B001MVFE30
      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

    A

    REPLACE TELEMATICS TRANSCEIVER Click here

    B

    INSPECT FRONT NO. 2 SPEAKER ASSEMBLY Click here

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


    1. Disconnect the H157 stereo component amplifier assembly connector.

    2. Disconnect the I3 and I5 front No. 2 speaker assembly connectors.

    3. Disconnect the I4 and I6 front No. 3 speaker assembly connectors.

    4. Disconnect the J1 and K1 front No. 1 speaker assembly connectors.

    5. Disconnect the I2 front No. 4 speaker assembly connector.

    6. Disconnect the Q10 and P14 rear No. 2 speaker assembly connectors.

    7. Disconnect the P15 No. 1 speaker assembly with box 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
      H157-5 (MR+) - Body ground Always 10 kΩ or higher
      H157-20 (MR-) - Body ground Always 10 kΩ or higher
      H157-4 (ML+) - Body ground Always 10 kΩ or higher
      H157-19 (ML-) - Body ground Always 10 kΩ or higher
      H157-13 (FR+) - Body ground Always 10 kΩ or higher
      H157-28 (FR-) - Body ground Always 10 kΩ or higher
      H157-12 (FL+) - Body ground Always 10 kΩ or higher
      H157-27 (FL-) - Body ground Always 10 kΩ or higher
      H157-7 (CTR+) - Body ground Always 10 kΩ or higher
      H157-22 (CTR-) - Body ground Always 10 kΩ or higher
      H157-15 (RR+) - Body ground Always 10 kΩ or higher
      H157-30 (RR-) - Body ground Always 10 kΩ or higher
      H157-14 (RL+) - Body ground Always 10 kΩ or higher
      H157-29 (RL-) - Body ground Always 10 kΩ or higher
      H157-6 (WF1+) - Body ground Always 10 kΩ or higher
      H157-8 (WF2+) - 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. B001LMWE30
      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 4.6 to 7 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  18. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


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

    2. B001LXRE06
      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 10 kΩ or higher

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  19. 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.

      Tech Tips


      • Connect all the connectors to the front No. 3 speaker assemblies that were disconnected.

      • When there is a possibility that either the right or left front No. 3 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.


    OK

    END

    NG

  20. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


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

    2. B001LJHE07
      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 5 to 7 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  21. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY


    1. Remove the front No. 4 speaker assembly Click here.

    2. B001LMWE30
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 4 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 4.6 to 7 Ω

    NG

    REPLACE FRONT NO. 4 SPEAKER ASSEMBLY Click here

    OK

  22. REPLACE FRONT NO. 4 SPEAKER ASSEMBLY


    1. Replace the front No. 4 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.

    OK

    END

    NG

  23. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


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

    2. B001LMWE31
      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 (-) - 2 (+) Always 4.6 to 7 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.


    OK

    END

    NG

  25. INSPECT NO. 1 SPEAKER ASSEMBLY WITH BOX


    1. Remove the No. 1 speaker assembly with box Click here.

    2. B001MTLE11
      Text in Illustration
      *a

      Component without harness connected

      (No. 1 Speaker Assembly with Box)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (WF1+) - 4 (WF2+) Always 11.6 to 12.4 Ω

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE NO. 1 SPEAKER ASSEMBLY WITH BOX Click here