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

A003MS7E02

PROCEDURE


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


    1. Disconnect the I63 stereo component amplifier assembly connector.

    2. Disconnect the G5 and G7 front No. 2 speaker assembly connectors.

    3. Disconnect the J1 and K1 front No. 1 speaker assembly connectors.

    4. Disconnect the L4 and M4 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I63-13 (TWR+) or G5-4 - Body ground Always 10 kΩ or higher
      I63-28 (TWR-) or G5-3 - Body ground Always 10 kΩ or higher
      I63-10 (TWL+) or G7-4 - Body ground Always 10 kΩ or higher
      I63-25 (TWL-) or G7-3 - Body ground Always 10 kΩ or higher
      I63-15 (FR+) or J1-1 - Body ground Always 10 kΩ or higher
      I63-30 (FR-) or J1-2 - Body ground Always 10 kΩ or higher
      I63-8 (FL+) or K1-1 - Body ground Always 10 kΩ or higher
      I63-23 (FL-) or K1-2 - Body ground Always 10 kΩ or higher
      I63-11 (RR+) or L4-1 - Body ground Always 10 kΩ or higher
      I63-26 (RR-) or L4-2 - Body ground Always 10 kΩ or higher
      I63-12 (RL+) or M4-1 - Body ground Always 10 kΩ or higher
      I63-27 (RL-) or M4-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. 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

  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. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. Inspect the rear 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

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here