AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B15C3

DTC Code DTC Name
B15C3 Speaker Output Short

DESCRIPTION

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

  • Stereo component amplifier assembly

  • DCM (telematics transceiver)*

  • Speaker

  • Harness or connector

WIRING DIAGRAM

B001AVTE09
B0019DNE10

CAUTION / NOTICE / HINT

Tech Tips

After the inspection is completed, clear the DTCs.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTC Click here.


    NEXT

  2. CHECK DTC


    1. Recheck for DTCs and check if the same DTC is output again Click here.

      OK
      DTC B15C3 is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

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


    • *1: for RH Side

    • *2: for LH Side

    • *3: w/ Telematics Transceiver

    • *4: w/o Telematics Transceiver

      *5: for 9 speakers

      *6: for 19 speakers


    1. Disconnect the F116 and/or F89*6 stereo component amplifier assembly connector.

    2. Disconnect the I1*1 and/or I10*2 front No. 1 speaker assembly connector.

    3. Disconnect the F7*1 and/or F8*2 front No. 2 speaker assembly connector.

    4. Disconnect the F6 front No. 4 speaker assembly connector.

    5. Disconnect the J15*1 and/or J17*2 rear speaker set connector.

    6. Disconnect the J1*1 and/or J18*2 rear No. 3 speaker connector*6.

    7. Disconnect the S8*1 and/or S9*2 rear header speaker assembly connector*6.

    8. Disconnect the L4 No. 1 woofer box speaker connector*6.

    9. Disconnect the P2*3 DCM (telematics transceiver) connector.

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

      Standard Resistance
      for 9 speakers
      Tester Connection Condition Specified Condition
      F116-5 (WFR+) - I1-1*1 Always Below 1 Ω
      F116-20 (WFR-) - I1-2*1 Always Below 1 Ω
      F116-4 (WFL+) - I10-1*2 Always Below 1 Ω
      F116-19 (WFL-) - I10-2*2 Always Below 1 Ω
      F116-13 (FR+) - P2-2 (SPI+)*1, *3 Always Below 1 Ω
      F116-28 (FR-) - P2-3 (SPI-)*1, *3 Always Below 1 Ω
      F116-13 (FR+) - F7-1 (+)*1, *4 Always Below 1 Ω
      F116-28 (FR-) - F7-3 (-)*1, *4 Always Below 1 Ω
      F116-12 (FL+) - F8-1 (+)*2 Always Below 1 Ω
      F116-27 (FL-) - F8-3 (-)*2 Always Below 1 Ω
      F116-7 (CTR+) - F6-1 Always Below 1 Ω
      F116-22 (CTR-) - F6-2 Always Below 1 Ω
      F116-15 (RR+) - J15-1 (+)*1 Always Below 1 Ω
      F116-30 (RR-) - J15-2 (-)*1 Always Below 1 Ω
      F116-14 (RL+) - J17-1 (+)*2 Always Below 1 Ω
      F116-29 (RL-) - J17-2 (-)*2 Always Below 1 Ω
      F116-5 (WFR+) - Body ground Always 10 kΩ or higher
      F116-20 (WFR-) - Body ground Always 10 kΩ or higher
      F116-4 (WFL+) - Body ground Always 10 kΩ or higher
      F116-19 (WFL-) - Body ground Always 10 kΩ or higher
      F116-13 (FR+) - Body ground Always 10 kΩ or higher
      F116-28 (FR-) - Body ground Always 10 kΩ or higher
      F116-12 (FL+) - Body ground Always 10 kΩ or higher
      F116-27 (FL-) - Body ground Always 10 kΩ or higher
      F116-7 (CTR+) - Body ground Always 10 kΩ or higher
      F116-22 (CTR-) - Body ground Always 10 kΩ or higher
      F116-15 (RR+) - Body ground Always 10 kΩ or higher
      F116-30 (RR-) - Body ground Always 10 kΩ or higher
      F116-14 (RL+) - Body ground Always 10 kΩ or higher
      F116-29 (RL-) - Body ground Always 10 kΩ or higher
      for 19 speakers
      Tester Connection Condition Specified Condition
      F116-11 (WFR+) - I1-1*1 Always Below 1 Ω
      F116-10 (WFR-) - I1-2*1 Always Below 1 Ω
      F116-13 (WFL+) - I10-1*2 Always Below 1 Ω
      F116-12 (WFL-) - I10-2*2 Always Below 1 Ω
      F116-14 (FR+) - P2-2 (SPI+)*1, *3 Always Below 1 Ω
      F116-29 (FR-) - P2-3 (SPI-)*1, *3 Always Below 1 Ω
      F116-14 (FR+) - F7-1 (+)*1, *4 Always Below 1 Ω
      F116-29 (FR-) - F7-3 (-)*1, *4 Always Below 1 Ω
      F116-15 (FL+) - F8-1 (+)*2 Always Below 1 Ω
      F116-30 (FL-) - F8-3 (-)*2 Always Below 1 Ω
      F116-7 (CTR+) - F6-1 Always Below 1 Ω
      F116-22 (CTR-) - F6-2 Always Below 1 Ω
      F89-3 (R-R+) - J1-1 (+)*1 Always Below 1 Ω
      F89-9 (R-R-) - J1-2 (-)*1 Always Below 1 Ω
      F89-4 (R-L+) - J8-1 (+)*2 Always Below 1 Ω
      F89-10 (R-L-) - J8-2 (-)*2 Always Below 1 Ω
      F116-8 (RR+) - J15-1 (+)*1 Always Below 1 Ω
      F116-23 (RR-) - J15-2 (-)*1 Always Below 1 Ω
      F116-9 (RL+) - J17-1 (+)*2 Always Below 1 Ω
      F116-24 (RL-) - J17-2 (-)*2 Always Below 1 Ω
      F89-1 (SR+) - S8-1 (RRD+)*1 Always Below 1 Ω
      F89-5 (SR-) - S8-2 (RRD-)*1 Always Below 1 Ω
      F89-2 (SL+) - S9-1 (RLD+)*2 Always Below 1 Ω
      F89-6 (SL-) - S9-2 (RLD-)*2 Always Below 1 Ω
      F116-6 (WF1+) - L4-1 (WF1+) Always Below 1 Ω
      F116-5 (WF1-) - L4-2 (WF1-) Always Below 1 Ω
      F116-11 (WFR+) - Body ground Always 10 kΩ or higher
      F116-10 (WFR-) - Body ground Always 10 kΩ or higher
      F116-13 (WFL+) - Body ground Always 10 kΩ or higher
      F116-12 (WFL-) - Body ground Always 10 kΩ or higher
      F116-14 (FR+) - Body ground Always 10 kΩ or higher
      F116-29 (FR-) - Body ground Always 10 kΩ or higher
      F116-15 (FL+) - Body ground Always 10 kΩ or higher
      F116-30 (FL-) - Body ground Always 10 kΩ or higher
      F116-7 (CTR+) - Body ground Always 10 kΩ or higher
      F116-22 (CTR-) - Body ground Always 10 kΩ or higher
      F89-3 (R-R+) - Body ground Always 10 kΩ or higher
      F89-9 (R-R-) - Body ground Always 10 kΩ or higher
      F89-4 (R-L+) - Body ground Always 10 kΩ or higher
      F89-10 (R-L-) - Body ground Always 10 kΩ or higher
      F116-8 (RR+) - Body ground Always 10 kΩ or higher
      F116-23 (RR-) - Body ground Always 10 kΩ or higher
      F116-9 (RL+) - Body ground Always 10 kΩ or higher
      F116-24 (RL-) - Body ground Always 10 kΩ or higher
      F89-1 (SR+) - Body ground Always 10 kΩ or higher
      F89-5 (SR-) - Body ground Always 10 kΩ or higher
      F89-2 (SL+)- Body ground Always 10 kΩ or higher
      F89-6 (SL-) - Body ground Always 10 kΩ or higher
      F116-6 (WF1+) - Body ground Always 10 kΩ or higher
      F116-5 (WF1-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Disconnect the front No. 1 speaker assembly connector.

    2. Inspect the front No. 1 speaker assembly Click here.


    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  5. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Disconnect the front No. 2 speaker assembly connector.

    2. Inspect the front No. 2 speaker assembly Click here.


    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  6. CHECK 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 for DTCs and check if the same DTCs is output Click here.

      OK
      No DTCs are output.
      Result
      Result Proceed to
      OK A
      NG (w/ Telematics Transceiver) B
      NG (w/o Telematics Transceiver) C

    A

    END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

    C

    CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 3 SPEAKER) Click here

    B

  7. CHECK HARNESS AND CONNECTOR (DCM [TELEMATICS TRANSCEIVER] - FRONT NO. 2 SPEAKER RH)


    1. Disconnect the P2 DCM (telematics transceiver) connector.

    2. Disconnect the F7 front No. 2 speaker assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P2-5 (SPO+) - F7-1 (+) Always Below 1 Ω
      P2-6 (SPO-) - F7-3 (-) Always Below 1 Ω
      P2-5 (SPO+) - Body ground Always 10 kΩ or higher
      P2-6 (SPO-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT DCM (TELEMATICS TRANSCEIVER)


    1. B001AHSE29

      Remove the DCM (telematics transceiver) Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (SPI+) - 5 (SPO+) Always Below 1 Ω
      3 (SPI-) - 6 (SPO-) Always Below 1 Ω
      2 (SPI+) - Body ground Always 10 kΩ or higher
      3 (SPI-) - Body ground Always 10 kΩ or higher

    NG

    REPLACE DCM (TELEMATICS TRANSCEIVER) Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 3 SPEAKER)


    • *1: for RH Side

    • *2: for LH Side


    1. Disconnect the F7*1 and/or F8*2 front No. 2 speaker assembly connector.

    2. Disconnect the F13*1 and/or F14*2 front No. 3 speaker assembly connector.

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

      Standard Resistance
      for RH Side
      Tester Connection Condition Specified Condition
      F7-2 (TWR+) - F13-1 Always Below 1 Ω
      F7-4 (TWR-) - F13-2 Always Below 1 Ω
      F7-2 (TWR+) - Body ground Always 10 kΩ or higher
      F7-4 (TWR-) - Body ground Always 10 kΩ or higher
      for LH Side
      Tester Connection Condition Specified Condition
      F8-2 (TWL+) - F14-1 Always Below 1 Ω
      F8-4 (TWL-) - F14-2 Always Below 1 Ω
      F8-2 (TWL+) - Body ground Always 10 kΩ or higher
      F8-4 (TWL-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY


    1. Disconnect the front No. 4 speaker assembly connector.

    2. Inspect the front No. 4 speaker assembly Click here.


    NG

    REPLACE FRONT NO. 4 SPEAKER ASSEMBLY Click here

    OK

  11. INSPECT REAR SPEAKER SET


    1. Disconnect the rear speaker set connector.

    2. Inspect the rear speaker set Click here.

      Result
      Result Proceed to
      OK (for 19 speakers) A
      OK (for 9 speakers) B
      NG C

    B

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    C

    REPLACE REAR SPEAKER SET Click here

    A

  12. CHECK REAR NO. 3 SPEAKER ASSEMBLY


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

    2. Check for DTCs and check if the same DTCs is output Click here.

      OK
      No DTCs are output.

    OK

    END (REAR NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

    NG

  13. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. Disconnect the rear No. 2 speaker assembly connector.

    2. Inspect the rear No. 2 speaker assembly Click here.


    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  14. INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. Disconnect the rear header assembly connector.

    2. Inspect the rear header assembly Click here.


    NG

    REPLACE REAR HEADER SPEAKER ASSEMBLY Click here

    OK

  15. INSPECT NO. 1 WOOFER BOX SPEAKER ASSEMBLY


    1. Disconnect the No. 1 woofer box speaker assembly connector.

    2. Inspect the No. 1 woofer box speaker assembly Click here.


    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE NO. 1 WOOFER BOX SPEAKER ASSEMBLY Click here