AUDIO AND VISUAL SYSTEM(for 7 Inch Display), 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

  • Radio receiver assembly

  • Radio setting condenser

WIRING DIAGRAM

B004F7QE21

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 Audio and Visual System.

    Click here

PROCEDURE


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


    1. Disconnect the O149 radio receiver assembly connector.

    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
      O149-1 (FR+) or R14-1 - Body ground Always 10 kΩ or higher
      O149-6 (FR-) or R14-2 - Body ground Always 10 kΩ or higher
      O149-2 (FL+) or S14-1 - Body ground Always 10 kΩ or higher
      O149-7 (FL-) or S14-2 - Body ground Always 10 kΩ or higher
      O149-4 (RR+) or T25-1 - Body ground Always 10 kΩ or higher
      O149-9 (RR-) or T25-2 - Body ground Always 10 kΩ or higher
      O149-3 (RL+) or U35-1 - Body ground Always 10 kΩ or higher
      O149-8 (RL-) or U35-2 - 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
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. 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

  3. 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

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  4. 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

  5. REPLACE RADIO SETTING CONDENSER


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

    2. Clear the DTCs.


      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.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here