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*1

*1: w/ Telematics Transceiver

WIRING DIAGRAM


  1. for 8 Speakers

    A001KG8E05
    A001IAVE05

  2. for 15 Speakers

    A001I45E05
    A001JQ7E03

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 8 Speakers A
      for 15 Speakers B

    B

    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 P23 stereo component amplifier assembly connector.

    2. Disconnect the K66 telematics transceiver connector (w/ Telematics Transceiver).

    3. Disconnect the K56 front No. 2 speaker assembly LH connector (w/ Telematics Transceiver).

    4. Disconnect the K55 and K56 front No. 2 speaker assembly connectors (w/o Telematics Transceiver).

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

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

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

    8. Disconnect the K57 front No. 3 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
      P23-13 (FR+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) - Body ground Always 10 kΩ or higher
      P23-5 (WFR+) - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) - Body ground Always 10 kΩ or higher
      P23-15 (RR+) - Body ground Always 10 kΩ or higher
      P23-30 (RR-) - Body ground Always 10 kΩ or higher
      P23-14 (RL+) - Body ground Always 10 kΩ or higher
      P23-29 (RL-) - Body ground Always 10 kΩ or higher
      P23-6 (WF1+) - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) - Body ground Always 10 kΩ or higher
      P23-7 (CTR+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK (w/ Telematics Transceiver) A
      OK (w/o Telematics Transceiver) B
      NG C

    B

    GO TO STEP 4 Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  3. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY RH - BODY GROUND)


    1. Disconnect the K66 telematics transceiver connector.

    2. Disconnect the K55 front No. 2 speaker assembly RH connector.

    3. Measure the resistance between the front No. 2 speaker assembly RH and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      K55-2 (+) - Body ground Always 10 kΩ or higher
      K55-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

      Click here

    2. A001IJVC23
      *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
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  5. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

      Click here

    2. B003X4IC04
      *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
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  6. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. B003X4IC03
      *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
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  7. INSPECT REAR NO. 3 SPEAKER ASSEMBLY


    1. Remove the rear No. 3 speaker assembly.

      Click here

    2. B003X4IC03
      *a

      Component without harness connected

      (Rear 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 2.0 to 3.0 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

    OK

  8. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. Remove the front No. 3 speaker assembly.

      Click here

    2. A001IJVC23
      *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
      Result
      Result Proceed to
      OK (w/ Telematics Transceiver) A
      OK (w/o Telematics Transceiver) B
      NG C

    A

    GO TO STEP 20 Click here

    B

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    C

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

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


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the K66 telematics transceiver connector (w/ Telematics Transceiver).

    3. Disconnect the K56 front No. 2 speaker assembly LH connector (w/ Telematics Transceiver).

    4. Disconnect the K55 and K56 front No. 2 speaker assembly connectors (w/o Telematics Transceiver).

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

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

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

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

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

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

    11. 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
      P23-13 (FR+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) - Body ground Always 10 kΩ or higher
      P23-5 (WFR+) - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) - Body ground Always 10 kΩ or higher
      P23-7 (CTR+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) - Body ground Always 10 kΩ or higher
      P23-15 (RR+) - Body ground Always 10 kΩ or higher
      P23-30 (RR-) - Body ground Always 10 kΩ or higher
      P23-14 (RL+) - Body ground Always 10 kΩ or higher
      P23-29 (RL-) - Body ground Always 10 kΩ or higher
      P23-11 (SR+) - Body ground Always 10 kΩ or higher
      P23-26 (SR-) - Body ground Always 10 kΩ or higher
      P23-10 (SL+) - Body ground Always 10 kΩ or higher
      P23-25 (SL-) - Body ground Always 10 kΩ or higher
      P23-6 (WF1+) - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. CHECK HARNESS AND CONNECTOR (REAR SPEAKER ASSEMBLY - BODY GROUND)


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

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

    3. Measure the resistance between each of the rear speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      O4-1 - Body ground Always 10 kΩ or higher
      O4-2- Body ground Always 10 kΩ or higher
      O9-1 - Body ground Always 10 kΩ or higher
      O9-2 - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK (w/ Telematics Transceiver) A
      OK (w/o Telematics Transceiver) B
      NG C

    B

    GO TO STEP 12 Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  11. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY RH - BODY GROUND)


    1. Disconnect the K66 telematics transceiver connector.

    2. Disconnect the K55 front No. 2 speaker assembly RH connector.

    3. Measure the resistance between the front No. 2 speaker assembly RH and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      K55-2 (+) - Body ground Always 10 kΩ or higher
      K55-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY


    1. Replace the front No. 2 speaker assembly.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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


      Body Electrical > Navigation System > Trouble Codes
      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 LH and RH sides.

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

  13. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

      Click here

    2. B003X4IC03
      *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 4.3 to 6.3 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  14. REPLACE FRONT NO. 3 SPEAKER ASSEMBLY


    1. Replace the front No. 3 speaker assembly.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.

      Tech Tips

      Connect the connector to the front No. 3 speaker assembly that was disconnected.

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

  15. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. B003X4IC03
      *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
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  16. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. Remove the rear No. 2 speaker assembly.

      Click here

    2. A001HN3C21
      *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
      3 (+TW) - 1 (-TW) Always 10 kΩ or higher
      3 (+TW) - 4 (+) Always Below 1 Ω
      1 (-TW) - 2 (-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  17. REPLACE REAR NO. 2 SPEAKER ASSEMBLY


    1. Replace the rear No. 2 speaker assembly.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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


      Body Electrical > Navigation System > Trouble Codes
      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 LH and RH sides.

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

  18. INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. Remove the rear header speaker assembly.

      Click here

    2. A001JFEC01
      *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
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR HEADER SPEAKER ASSEMBLY Click here

    OK

  19. INSPECT REAR NO. 3 SPEAKER ASSEMBLY


    1. Remove the rear No. 3 speaker assembly.

      Click here

    2. B003X4IC03
      *a

      Component without harness connected

      (Rear 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 5.0 to 7.0 Ω
      Result
      Result Proceed to
      OK (w/ Telematics Transceiver) A
      OK (w/o Telematics Transceiver) B
      NG C

    B

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    C

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

    A

  20. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. A001JQLC05
      *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
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here