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AUDIO AND VISUAL SYSTEM(w/o Parallel Parking Assist Function), Diagnostic DTC:B15C3

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DTC Code DTC Name
B15C3 Speaker Output Short
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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

  • Radio receiver assembly*1

  • Radio setting condenser*1

  • Stereo component amplifier assembly*2


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WIRING DIAGRAM


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  1. A01VO41E04

    for 6 Speakers

  2. A01VO22E15
    B0067O6E05

    for 10 Speakers

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PROCEDURE


  1. Click here

    CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for 6 Speakers A
      for 10 Speakers B

  2. Click here

    CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - BODY GROUND)


    1. Disconnect the O68 and O69 radio receiver assembly connectors.

    2. Disconnect the O67 radio setting condenser connector.

    3. Disconnect the R14 and S14 front No. 1 speaker assembly connectors.

    4. Disconnect the O54 and O55 front No. 2 speaker assembly connectors.

    5. Disconnect the T25 and U35 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O68-1 (FR+) or R14-1 - Body ground Always 10 kΩ or higher
      O68-5 (FR-) or R14-2 - Body ground Always 10 kΩ or higher
      O68-2 (FL+) or S14-1 - Body ground Always 10 kΩ or higher
      O68-6 (FL-) or S14-2 - Body ground Always 10 kΩ or higher
      O54-1 or O67-7 (RI-) - Body ground Always 10 kΩ or higher
      O54-2 or O67-8 (RI+) - Body ground Always 10 kΩ or higher
      O55-1 or O67-5 (LI-) - Body ground Always 10 kΩ or higher
      O55-2 or O67-4 (LI+) - Body ground Always 10 kΩ or higher
      O69-1 (RR+) or T25-1 - Body ground Always 10 kΩ or higher
      O69-3 (RR-) or T25-2 - Body ground Always 10 kΩ or higher
      O69-2 (RL+) or U35-1 - Body ground Always 10 kΩ or higher
      O69-6 (RL-) or U35-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. Click here

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

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    2. Inspect the front No. 1 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

  4. Click here

    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

      Result
      Proceed to
      OK
      NG

  5. Click here

    REPLACE RADIO SETTING CONDENSER


    1. Replace the radio setting condencer with a new or known good one.

    2. Clear the DTCs.

      Click here


      1. Body Electrical > Navigation System > Clear DTCs


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


      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

  6. Click here

    INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

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    2. Inspect the rear speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

  7. Click here

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


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the O54 and 055 front No. 2 speaker assembly connectors.

    3. Disconnect the R14 and S14 front No. 1 speaker assembly connectors.

    4. Disconnect the T25 and U35 rear speaker assembly connectors.

    5. Disconnect the T24 rear No. 3 speaker assembly connector.

    6. Disconnect the O56 front 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
      T20-13 (FR+) or O54-2 - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O54-1 - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 - Body ground Always 10 kΩ or higher
      T20-5 (WFR+) or R14-1 - Body ground Always 10 kΩ or higher
      T20-20 (WFR-) or R14-2 - Body ground Always 10 kΩ or higher
      T20-4 (WFL+) or S14-1 - Body ground Always 10 kΩ or higher
      T20-19 (WFL-) or S14-2 - Body ground Always 10 kΩ or higher
      T20-15 (RR+) or O54-1 - Body ground Always 10 kΩ or higher
      T20-30 (RR-) or O54-2 - Body ground Always 10 kΩ or higher
      T20-14 (RL+) or O55-1 - Body ground Always 10 kΩ or higher
      T20-29 (RL-) or O55-2 - Body ground Always 10 kΩ or higher
      T20-6 (WF1+) or R14-1 - Body ground Always 10 kΩ or higher
      T20-21 (WF1-) or R14-2 - Body ground Always 10 kΩ or higher
      T20-7 (CTR+) or S14-2 - Body ground Always 10 kΩ or higher
      T20-22 (CTR-) or S14-1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. Click here

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

      Click here

    2. Inspect the front No. 2 speaker assembly.

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    3. Clear the DTCs.

      Click here


      1. Body Electrical > Navigation System > Clear DTCs


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


      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

  9. Click here

    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

  10. Click here

    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

  11. Click here

    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

  12. Click here

    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

    • OK

      REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLYClick here

    • NG

      REPLACE FRONT NO. 3 SPEAKER ASSEMBLYClick here