NAVIGATION SYSTEM (for Radio and Display 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. DTC Detection Condition Trouble Area
B15C3 A short is detected in the speaker output circuit

  • Harness or connector

  • Speaker

  • Stereo component amplifier assembly

WIRING DIAGRAM

B000J73E01
B000HD5E04

INSPECTION PROCEDURE

PROCEDURE


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


    1. Disconnect the I68 stereo component amplifier assembly connector.

    2. Disconnect the J5 and K5 front No. 1 speaker assembly connectors.

    3. Disconnect the I60 front No. 3 speaker assembly connector.

    4. Disconnect the O19 and O20 rear No. 2 speaker assembly connectors.

    5. Disconnect the O22 rear speaker assembly connector.

    6. Disconnect the I84 and I2 front No. 2 speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I68-15 (FR+) or J5-1 (+) - Body ground Always 10 kΩ or higher
      I68-30 (FR-) or J5-2 (-) - Body ground Always 10 kΩ or higher
      I68-11 (FL+) or K5-1 (+) - Body ground Always 10 kΩ or higher
      I68-26 (FL-) or K5-2 (-) - Body ground Always 10 kΩ or higher
      I68-13 (CTR+) or I60-2 - Body ground Always 10 kΩ or higher
      I68-28 (CTR-) or I60-1 - Body ground Always 10 kΩ or higher
      I68-10 (SR+) or O19-2 - Body ground Always 10 kΩ or higher
      I68-25 (SR-) or O19-1 - Body ground Always 10 kΩ or higher
      I68-9 (SL+) or O20-2 - Body ground Always 10 kΩ or higher
      I68-24 (SL-) or O20-1 - Body ground Always 10 kΩ or higher
      I68-8 (WF1+) or O22-1 - Body ground Always 10 kΩ or higher
      I68-23 (WF1-) or O22-2 - Body ground Always 10 kΩ or higher
      I68-12 (TWR+) or I84-4 - Body ground Always 10 kΩ or higher
      I68-27 (TWR-) or I84-3 - Body ground Always 10 kΩ or higher
      I68-14 (TWL+) or I2-4 - Body ground Always 10 kΩ or higher
      I68-29 (TWL-) or I2-3 - Body ground Always 10 kΩ or higher

    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.


    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  3. 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.


    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  4. 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.


    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  5. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly Click here.

    2. Inspect the rear speaker assembly Click here.


    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  6. 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.

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

      OK
      No DTCs are output.

    NG

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    OK

    END