NAVIGATION SYSTEM(for Navigation Receiver 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. 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

WIRING DIAGRAM


  1. B006L2ZE01
    B006L4DE01

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


    1. Disconnect the F6 stereo component amplifier assembly connector.

    2. Disconnect the I1 and I17 front No. 1 speaker assembly connectors.

    3. Disconnect the H3 and H5 front No. 2 speaker assembly connectors.

    4. Disconnect the H8 front No. 3 speaker assembly connector.

    5. Disconnect the J10 and J23 rear speaker assembly connectors.

    6. Disconnect the d1 and d2 rear No. 2 speaker assembly connectors.

    7. Disconnect the S11 and S10 front roof speaker assembly connectors.

    8. Disconnect the S4 and S3 rear roof speaker assembly connectors.

    9. Disconnect the U18 rear No. 3 speaker assembly connector.

    10. 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
      F6-15 (FR+) - Body ground Always 10 kΩ or higher
      F6-30 (FR-) - Body ground Always 10 kΩ or higher
      F6-11 (FL+) - Body ground Always 10 kΩ or higher
      F6-26 (FL-) - Body ground Always 10 kΩ or higher
      F6-14 (TWR+) - Body ground Always 10 kΩ or higher
      F6-29 (TWR-) - Body ground Always 10 kΩ or higher
      F6-13 (TWL+) - Body ground Always 10 kΩ or higher
      F6-28 (TWL-) - Body ground Always 10 kΩ or higher
      F6-10 (CTR+) - Body ground Always 10 kΩ or higher
      F6-25 (CTR-) - Body ground Always 10 kΩ or higher
      F6-12 (RR+) - Body ground Always 10 kΩ or higher
      F6-27 (RR-) - Body ground Always 10 kΩ or higher
      F6-4 (RL+) - Body ground Always 10 kΩ or higher
      F6-19 (RL-) - Body ground Always 10 kΩ or higher
      F6-9 (SR+) - Body ground Always 10 kΩ or higher
      F6-24 (SR-) - Body ground Always 10 kΩ or higher
      F6-5 (SL+) - Body ground Always 10 kΩ or higher
      F6-20 (SL-) - Body ground Always 10 kΩ or higher
      F6-6 (ROR+) - Body ground Always 10 kΩ or higher
      F6-21 (ROR-) - Body ground Always 10 kΩ or higher
      F6-7 (WF2+) - Body ground Always 10 kΩ or higher
      F6-22 (WF2-) - Body ground Always 10 kΩ or higher
      F6-8 (WF1+) - Body ground Always 10 kΩ or higher
      F6-23 (WF1-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the J10 and J23 rear speaker assembly connectors.

    2. Disconnect the d1 and d2 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
      J10-1 - Body ground Always 10 kΩ or higher
      J10-2- Body ground Always 10 kΩ or higher
      J23-1 - Body ground Always 10 kΩ or higher
      J23-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. 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

  4. REPLACE 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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  5. 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

  6. 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

  7. 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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  8. 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

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

    OK

  9. INSPECT FRONT ROOF SPEAKER ASSEMBLY


    1. Remove the front roof speaker assembly.

      Click here

    2. Inspect the front roof speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT ROOF SPEAKER ASSEMBLY Click here

    OK

  10. INSPECT REAR ROOF SPEAKER ASSEMBLY


    1. Remove the rear roof speaker assembly.

      Click here

    2. Inspect the rear roof speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE REAR ROOF SPEAKER ASSEMBLY Click here