AUDIO AND VISUAL SYSTEM (w/ Navigation System), Diagnostic DTC:B15C3

DTC Code DTC Name
B15C3 Speaker Output Short

DESCRIPTION

This DTC is stored when a malfunction occurs in the speakers.

DTC Code DTC Detection Condition Trouble Area
B15C3 A short is detected in the speaker output circuit.

  • Harness or connector

  • Speakers

  • Stereo component amplifier assembly

WIRING DIAGRAM

A0094H6E02
A009AGLE02
A009BFSE02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Disconnect the H12 and H7 stereo component amplifier assembly connectors.

    2. Clear the DTCs.

    3. Check if DTC B15C3 is output.

      OK
      No DTC is output.

    NG

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    OK

  2. CHECK FOR DTC


    1. Disconnect the H12 stereo component amplifier assembly connector.

    2. Clear the DTCs.

    3. Check if DTC B15C3 is output.

      OK
      DTC B15C3 is not output.
      Result
      Result Proceed to
      OK A
      NG (for 5 Door) B
      NG (for 3 Door) C

    B

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - SPEAKER) Click here

    C

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - SPEAKER) Click here

    A

  3. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - SPEAKER)


    1. Disconnect the H7 stereo component amplifier assembly connector.

    2. Disconnect the H21*1 and/or H22*2 front No. 3 speaker assembly connector.


      • *1: for RH

      • *2: for LH

    3. Disconnect the H14 front No. 4 speaker assembly connector.

    4. Disconnect the R24*3 and/or Q30*4 No. 1 speaker with box assembly connector.


      • *3: for 5 Door

      • *4: for 3 Door

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H7-1 (WF1+) - R24-1 (WF1+) Always Below 1 Ω
      H7-1 (WF1+) - Q30-2 (WF1+) Always Below 1 Ω
      H7-2 (WF2+) - R24-2 (WF2+) Always Below 1 Ω
      H7-2 (WF2+) - Q30-1 (WF2+) Always Below 1 Ω
      H7-3 (FL+) - H22-1 (TWL+) Always Below 1 Ω
      H7-4 (FR+) - H21-1 (TWR+) Always Below 1 Ω
      H7-5 (WF1-) - R24-3 (WF1-) Always Below 1 Ω
      H7-5 (WF1-) - Q30-4 (WF1-) Always Below 1 Ω
      H7-6 (WF2-) - R24-4 (WF2-) Always Below 1 Ω
      H7-6 (WF2-) - Q30-3 (WF2-) Always Below 1 Ω
      H7-7 (CTR-) - H14-1 Always Below 1 Ω
      H7-8 (CTR+) - H14-2 Always Below 1 Ω
      H7-9 (FL-) - H22-2 (TWL-) Always Below 1 Ω
      H7-10 (FR-) - H21-2 (TWR-) Always Below 1 Ω
      H7-1 (WF1+) - Body ground Always 10 kΩ or higher
      H7-2 (WF2+) - Body ground Always 10 kΩ or higher
      H7-3 (FL+) - Body ground Always 10 kΩ or higher
      H7-4 (FR+) - Body ground Always 10 kΩ or higher
      H7-5 (WF1-) - Body ground Always 10 kΩ or higher
      H7-6 (WF2-) - Body ground Always 10 kΩ or higher
      H7-7 (CTR-) - Body ground Always 10 kΩ or higher
      H7-8 (CTR+) - Body ground Always 10 kΩ or higher
      H7-9 (FL-) - Body ground Always 10 kΩ or higher
      H7-10 (FR-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER - FRONT NO. 3 SPEAKER)


    • *1: for RH

    • *2: for LH


    1. Disconnect the H10*1 and/or H13*2 front No. 1 speaker assembly connector.

    2. Disconnect the H21*1 and/or H22*2 front No. 3 speaker assembly connector.

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

      Standard Resistance
      for RH
      Tester Connection Condition Specified Condition
      H10-2 (+) - H21-3 (+) Always Below 1 Ω
      H10-1 (-) - H21-4 (-) Always Below 1 Ω
      H10-2 (+) - Body ground Always 10 kΩ or higher
      H10-1 (-) - Body ground Always 10 kΩ or higher
      for LH
      Tester Connection Condition Specified Condition
      H13-2 (+) - H22-3 (+) Always Below 1 Ω
      H13-1 (-) - H22-4 (-) Always Below 1 Ω
      H13-1 (+) - Body ground Always 10 kΩ or higher
      H13-2 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A009ATF

      Disconnect the H10*1 and/or H13*2 front No. 1 speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.4 to 2.2 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  6. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. Temporarily replace the front No. 3 speaker assembly with a new or normally functioning one Click here.

    2. Check that the speaker sounds normally.

      OK
      Malfunction disappears.

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  7. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY


    1. A0094R3

      Disconnect the H14 front No. 4 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.6 to 2.2 Ω

    NG

    REPLACE FRONT NO. 4 SPEAKER ASSEMBLY Click here

    OK

  8. INSPECT NO. 1 SPEAKER WITH BOX ASSEMBLY


    1. for 5 Door:


      1. Disconnect the R24 No. 1 speaker with box assembly connector.

        A0099IAE26

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        1 (WF1+) - 3 (WF1-) Always 1.6 to 2.4 Ω
        2 (WF2+) - 4 (WF2-) Always 1.6 to 2.4 Ω

    2. for 3 Door:


      1. Disconnect the Q30 No. 1 speaker with box assembly connector.

        A0095XNE53

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        2 (WF1+) - 4 (WF1-) Always 1.6 to 2.4 Ω
        1 (WF2+) - 3 (WF2-) Always 1.6 to 2.4 Ω
        Result
        Result Proceed to
        OK A
        NG (for 5 Door) B
        NG (for 3 Door) C

    B

    REPLACE NO. 1 SPEAKER WITH BOX ASSEMBLY Click here

    C

    REPLACE NO. 1 SPEAKER WITH BOX ASSEMBLY Click here

    A

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

  9. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - SPEAKER)


    • *1: for RH

    • *2: for LH


    1. Disconnect the H12 stereo component amplifier assembly connector.

    2. Disconnect the J4*1 and/or K3*2 front No. 3 speaker assembly connector.

    3. Disconnect the L3*1 and/or M3*2 rear No. 2 speaker assembly connector.

    4. Disconnect the Q15*1 and/or R13*2 rear header speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H12-1 (ML+) - R13-2 Always Below 1 Ω
      H12-2 (MR+) - Q15-2 Always Below 1 Ω
      H12-3 (WFL+) - K3-1 Always Below 1 Ω
      H12-4 (RL+) - M3-1 (+TW) Always Below 1 Ω
      H12-5 (RR+) - L3-1 (+TW) Always Below 1 Ω
      H12-6 (ML-) - R13-1 Always Below 1 Ω
      H12-7 (MR-) - Q15-1 Always Below 1 Ω
      H12-8 (WFL-) - K3-2 Always Below 1 Ω
      H12-9 (WFR-) - J4-2 Always Below 1 Ω
      H12-10 (WFR+) - J4-1 Always Below 1 Ω
      H12-11 (RL-) - M3-2 (-TW) Always Below 1 Ω
      H12-12 (RR-) - L3-2 (-TW) Always Below 1 Ω
      H12-1 (ML+) - Body ground Always 10 kΩ or higher
      H12-2 (MR+) - Body ground Always 10 kΩ or higher
      H12-3 (WFL+) - Body ground Always 10 kΩ or higher
      H12-4 (RL+) - Body ground Always 10 kΩ or higher
      H12-5 (RR+) - Body ground Always 10 kΩ or higher
      H12-6 (ML-) - Body ground Always 10 kΩ or higher
      H12-7 (MR-) - Body ground Always 10 kΩ or higher
      H12-8 (WFL-) - Body ground Always 10 kΩ or higher
      H12-9 (WFR-) - Body ground Always 10 kΩ or higher
      H12-10 (WFR+) - Body ground Always 10 kΩ or higher
      H12-11 (RL-) - Body ground Always 10 kΩ or higher
      H12-12 (RR-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. CHECK HARNESS AND CONNECTOR (REAR NO. 2 SPEAKER - REAR SPEAKER SET)


    • *1: for RH

    • *2: for LH


    1. Disconnect the L3*1 and/or M3*2 rear No. 2 speaker assembly connector.

    2. Disconnect the L1*1 and/or M1*2 rear speaker set connector.

      Standard Resistance
      for RH
      Tester Connection Condition Specified Condition
      L3-3 (+) - L1-1 Always Below 1 Ω
      L3-4 (-) - L1-2 Always Below 1 Ω
      L3-3 (+) - Body ground Always 10 kΩ or higher
      L3-4 (-) - Body ground Always 10 kΩ or higher
      for LH
      Tester Connection Condition Specified Condition
      M3-3 (+) - M1-1 Always Below 1 Ω
      M3-4 (-) - M1-2 Always Below 1 Ω
      M3-3 (+) - Body ground Always 10 kΩ or higher
      M3-4 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. A0094R3

      Disconnect the J4*1 and/or K3*2 front No. 2 speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.6 to 2.2 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  12. INSPECT REAR SPEAKER SET


    1. A009ATF

      Disconnect the L1*1 and/or M1*2 rear speaker set connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1- 2 Always 1.8 to 2.6 Ω

    NG

    REPLACE REAR SPEAKER SET Click here

    OK

  13. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. Temporarily replace the rear No. 2 speaker assembly with a new or normally functioning one Click here.

    2. Check that the speaker sounds normally.

      OK
      Malfunction disappears.

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  14. INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. A0094R3

      Disconnect the Q15*1 and/or R13*2 rear header speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.6 to 2.2 Ω

    NG

    REPLACE REAR HEADER SPEAKER ASSEMBLY Click here

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

  15. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - SPEAKER)


    • *1: for RH

    • *2: for LH


    1. Disconnect the H12 stereo component amplifier assembly connector.

    2. Disconnect the J4*1 and/or K3*2 front No. 2 speaker assembly connector.

    3. Disconnect the Q32*1 and/or R37*2 rear speaker set connector.

    4. Disconnect the Q15*1 and/or R13*2 rear header speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H12-1 (ML+) - R13-2 Always Below 1 Ω
      H12-2 (MR+) - Q15-2 Always Below 1 Ω
      H12-3 (WFL+) - K3-1 Always Below 1 Ω
      H12-4 (RL+) - R37-1 Always Below 1 Ω
      H12-5 (RR+) - Q32-1 Always Below 1 Ω
      H12-6 (ML-) - R13-1 Always Below 1 Ω
      H12-7 (MR-) - Q15-1 Always Below 1 Ω
      H12-8 (WFL-) - K3-2 Always Below 1 Ω
      H12-9 (WFR-) - J4-2 Always Below 1 Ω
      H12-10 (WFR+) - J4-1 Always Below 1 Ω
      H12-11 (RL-) - R37-2 Always Below 1 Ω
      H12-12 (RR-) - Q32-2 Always Below 1 Ω
      H12-1 (ML+) - Body ground Always 10 kΩ or higher
      H12-2 (MR+) - Body ground Always 10 kΩ or higher
      H12-3 (WFL+) - Body ground Always 10 kΩ or higher
      H12-4 (RL+) - Body ground Always 10 kΩ or higher
      H12-5 (RR+) - Body ground Always 10 kΩ or higher
      H12-6 (ML-) - Body ground Always 10 kΩ or higher
      H12-7 (MR-) - Body ground Always 10 kΩ or higher
      H12-8 (WFL-) - Body ground Always 10 kΩ or higher
      H12-9 (WFR-) - Body ground Always 10 kΩ or higher
      H12-10 (WFR+) - Body ground Always 10 kΩ or higher
      H12-11 (RL-) - Body ground Always 10 kΩ or higher
      H12-12 (RR-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  16. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. A0094R3

      Disconnect the J4*1 and/or K3*2 front No. 2 speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.6 to 2.2 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  17. INSPECT REAR SPEAKER SET


    1. A009ATF

      Disconnect the Q32*1 and/or R37*2 rear speaker set connector.


      • *1: for LH

      • *2: for RH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1- 2 Always 1.8 to 2.6 Ω

    NG

    REPLACE REAR SPEAKER SET Click here

    OK

  18. INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. A0094R3

      Disconnect the Q15*1 and/or R13*2 rear header speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.6 to 2.2 Ω

    NG

    REPLACE REAR HEADER SPEAKER ASSEMBLY Click here

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here