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. Detection Item DTC Detection Condition Trouble Area
B15C3 Speaker Output Short A short is detected in the speaker output circuit.

  • Harness or connector

  • Speaker

  • Stereo component amplifier assembly

  • Telematics transceiver*

*: w/ Telematics Transceiver

WIRING DIAGRAM

Figure 1. for 10 Speakers

A00239TE20

Figure 2. for 10 Speakers

A0020QRE37

Figure 3. for 15 Speakers

A00239TE21

Figure 4. for 15 Speakers

A0021NAE03

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 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 OR SPEAKERS - BODY GROUND) Click here

    C

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

    D

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

    A

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


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the K158 telematics transceiver connector.

    3. Disconnect the K56 front No. 2 speaker assembly connector.

    4. Disconnect the N14 and N29 front No. 1 speaker assembly connectors.

    5. Disconnect the K57 front No. 3 speaker assembly connector.

    6. Disconnect the O4 and O9 rear speaker assembly connectors.

    7. Disconnect the P27 rear No. 3 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-13 (FR+) or K158-2 (SPI+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) or K158-3 (SPI-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) or K56-2 (+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) or K56-1 (-) - Body ground Always 10 kΩ or higher
      P23-5 (WFR+) or N14-1 - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) or N14-2 - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) or N29-1 - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) or N29-2 - Body ground Always 10 kΩ or higher
      P23-7 (CTR+) or K57-2 (+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) or K57-1 (-) - Body ground Always 10 kΩ or higher
      P23-15 (RR+) or O4-1 - Body ground Always 10 kΩ or higher
      P23-30 (RR-) or O4-2 - Body ground Always 10 kΩ or higher
      P23-14 (RL+) or O9-1 - Body ground Always 10 kΩ or higher
      P23-29 (RL-) or O9-2 - Body ground Always 10 kΩ or higher
      P23-6 (WF1+) or P27-1 - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) or P27-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the K158 telematics transceiver connector.

    2. Disconnect the K55 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
      K158-5 (SPO+) or K55-2 (+) - Body ground Always 10 kΩ or higher
      K158-6 (SPO-) or K55-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. A0022B8C05
      *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
      Proceed to
      OK
      NG

    OK

    REPLACE TELEMATICS TRANSCEIVER Click here

    NG

    GO TO STEP 6 Click here

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


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the K55 and K56 front No. 2 speaker assembly connectors.

    3. Disconnect the N14 and N29 front No. 1 speaker assembly connectors.

    4. Disconnect the K57 front No. 3 speaker assembly connector.

    5. Disconnect the O4 and O9 rear speaker assembly connectors.

    6. Disconnect the P27 rear No. 3 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-13 (FR+) or K55-2 (+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) or K55-1 (-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) or K56-2 (+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) or K56-1 (-) - Body ground Always 10 kΩ or higher
      P23-5 (WFR+) or N14-1 - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) or N14-2 - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) or N29-1 - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) or N29-2 - Body ground Always 10 kΩ or higher
      P23-7 (CTR+) or K57-2 (+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) or K57-1 (-) - Body ground Always 10 kΩ or higher
      P23-15 (RR+) or O4-1 - Body ground Always 10 kΩ or higher
      P23-30 (RR-) or O4-2 - Body ground Always 10 kΩ or higher
      P23-14 (RL+) or O9-1 - Body ground Always 10 kΩ or higher
      P23-29 (RL-) or O9-2 - Body ground Always 10 kΩ or higher
      P23-6 (WF1+) or P27-2 - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) or P27-1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    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. Inspect the front No. 2 speaker assembly.

      Click here

    3. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    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. Inspect the front No. 1 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    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. Inspect the front No. 3 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  9. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. Inspect the rear speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  10. 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
      Proceed to
      OK
      NG

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

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


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the K158 telematics transceiver connector.

    3. Disconnect the K56 front No. 2 speaker assembly LH connector.

    4. Disconnect the N14 and N29 front No. 1 speaker assembly connectors.

    5. Disconnect the K57 front No. 3 speaker assembly connector.

    6. Disconnect the O5 and O10 rear No. 2 speaker assembly connectors.

    7. Disconnect the P26 and Q40 rear header speaker assembly connectors.

    8. Disconnect the P27 stereo component speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-13 (FR+) or K158-2 (SPI+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) or K158-3 (SPI-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) or K56-2 (+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) or K56-1 (-) - Body ground Always 10 kΩ or higher
      P23-5 (WFR+) or N14-1 - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) or N14-2 - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) or N29-1 - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) or N29-2 - Body ground Always 10 kΩ or higher
      P23-7 (CTR+) or K57-2 (+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) or K57-1 (-) - Body ground Always 10 kΩ or higher
      P23-15 (RR+) or O5-3 (+TW) - Body ground Always 10 kΩ or higher
      P23-30 (RR-) or O5-1 (-TW) - Body ground Always 10 kΩ or higher
      P23-14 (RL+) or O10-3 (+TW) - Body ground Always 10 kΩ or higher
      P23-29 (RL-) or O10-1 (-TW) - Body ground Always 10 kΩ or higher
      P23-11 (SR+) or P26-2 - Body ground Always 10 kΩ or higher
      P23-26 (SR-) or P26-1 - Body ground Always 10 kΩ or higher
      P23-10 (SL+) or Q40-2 - Body ground Always 10 kΩ or higher
      P23-25 (SL-) or Q40-1 - Body ground Always 10 kΩ or higher
      P23-6 (WF1+) or P27-1 - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) or P27-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the O5 and O10 rear No. 2 speaker assembly connectors.

    2. Disconnect the O4 and O9 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O5-4 (+) or O4-1 - Body ground Always 10 kΩ or higher
      O5-2 (-) or O4-2 - Body ground Always 10 kΩ or higher
      O10-4 (+) or O9-1 - Body ground Always 10 kΩ or higher
      O10-2 (-) or O9-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  13. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER OR SPEAKERS - BODY GROUND)


    1. Disconnect the K158 telematics transceiver connector.

    2. Disconnect the K55 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
      K158-5 (SPO+) or K55-2 (+) - Body ground Always 10 kΩ or higher
      K158-6 (SPO-) or K55-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. A0022B8C05
      *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
      Proceed to
      OK
      NG

    OK

    REPLACE TELEMATICS TRANSCEIVER Click here

    NG

    GO TO STEP 17 Click here

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


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the K55 and K56 front No. 2 speaker assembly connectors.

    3. Disconnect the N14 and N29 front No. 1 speaker assembly connectors.

    4. Disconnect the K57 front No. 3 speaker assembly connector.

    5. Disconnect the O5 and O10 rear No. 2 speaker assembly connectors.

    6. Disconnect the P26 and Q40 rear header speaker assembly connectors.

    7. Disconnect the P27 rear No. 3 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-13 (FR+) or K55-2 (+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) or K55-1 (-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) or K56-2 (+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) or K56-1 (-) - Body ground Always 10 kΩ or higher
      P23-5 (WFR+) or N14-1 - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) or N14-2 - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) or N29-1 - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) or N29-2 - Body ground Always 10 kΩ or higher
      P23-7 (CTR+) or K57-2 (+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) or K57-1 (-) - Body ground Always 10 kΩ or higher
      P23-15 (RR+) or O5-3 (+TW) - Body ground Always 10 kΩ or higher
      P23-30 (RR-) or O5-1 (-TW) - Body ground Always 10 kΩ or higher
      P23-14 (RL+) or O10-3 (+TW) - Body ground Always 10 kΩ or higher
      P23-29 (RL-) or O10-1 (-TW) - Body ground Always 10 kΩ or higher
      P23-11 (SR+) or P26-2 - Body ground Always 10 kΩ or higher
      P23-26 (SR-) or P26-1 - Body ground Always 10 kΩ or higher
      P23-10 (SL+) or Q40-2 - Body ground Always 10 kΩ or higher
      P23-25 (SL-) or Q40-1 - Body ground Always 10 kΩ or higher
      P23-6 (WF1+) or P27-1 - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) or P27-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the O5 and O10 rear No. 2 speaker assembly connectors.

    2. Disconnect the O4 and O9 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O5-4 (+) or O4-1 - Body ground Always 10 kΩ or higher
      O5-2 (-) or O4-2 - Body ground Always 10 kΩ or higher
      O10-4 (+) or O9-1 - Body ground Always 10 kΩ or higher
      O10-2 (-) or O9-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    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. Inspect the front No. 2 speaker assembly.

      Click here

    3. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

  18. 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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  19. 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

    3. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

  20. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. Inspect the rear speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  21. 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

    3. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

  22. INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. Remove the rear header speaker assembly.

      Click here

    2. Inspect the rear header speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR HEADER SPEAKER ASSEMBLY Click here

    OK

  23. 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
      Proceed to
      OK
      NG

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here