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

  • Ttelematics transceiver*

  • Speaker

  • Harness or connector


WIRING DIAGRAM

A01ESIUE03
A01ERTYE03

INSPECTION PROCEDURE

Tech Tips

After the inspection is completed, clear the DTCs.

PROCEDURE


  1. CHECK 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.

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


    • *1: for RH Side

    • *2: for LH Side

    • *3: w/ Emergency Call Switch

    • *4: w/o Emergency Call Switch

      *5: for 9 speakers

      *6: for 19 speakers


    1. Disconnect the F60 and/or F61*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 J8*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 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
      F60-5 (WFR+) - I1-1*1 Always Below 1 Ω
      F60-20 (WFR-) - I1-2*1 Always Below 1 Ω
      F60-4 (WFL+) - I10-1*2 Always Below 1 Ω
      F60-19 (WFL-) - I10-2*2 Always Below 1 Ω
      F60-13 (FR+) - P2-2 (SPI+)*1, *3 Always Below 1 Ω
      F60-28 (FR-) - P2-3 (SPI-)*1, *3 Always Below 1 Ω
      F60-13 (FR+) - F7-1 (+)*1, *4 Always Below 1 Ω
      F60-28 (FR-) - F7-3 (-)*1, *4 Always Below 1 Ω
      F60-12 (FL+) - F8-1 (+)*2 Always Below 1 Ω
      F60-27 (FL-) - F8-3 (-)*2 Always Below 1 Ω
      F60-7 (CTR+) - F6-1 (+) Always Below 1 Ω
      F60-22 (CTR-) - F6-2 (-) Always Below 1 Ω
      F60-15 (RR+) - J15-1*1 Always Below 1 Ω
      F60-30 (RR-) - J15-2*1 Always Below 1 Ω
      F60-14 (RL+) - J17-1*2 Always Below 1 Ω
      F60-29 (RL-) - J17-2*2 Always Below 1 Ω
      F60-5 (WFR+) - Body ground Always 10 kΩ or higher
      F60-20 (WFR-) - Body ground Always 10 kΩ or higher
      F60-4 (WFL+) - Body ground Always 10 kΩ or higher
      F60-19 (WFL-) - Body ground Always 10 kΩ or higher
      F60-13 (FR+) - Body ground Always 10 kΩ or higher
      F60-28 (FR-) - Body ground Always 10 kΩ or higher
      F60-12 (FL+) - Body ground Always 10 kΩ or higher
      F60-27 (FL-) - Body ground Always 10 kΩ or higher
      F60-7 (CTR+) - Body ground Always 10 kΩ or higher
      F60-22 (CTR-) - Body ground Always 10 kΩ or higher
      F60-15 (RR+) - Body ground Always 10 kΩ or higher
      F60-30 (RR-) - Body ground Always 10 kΩ or higher
      F60-14 (RL+) - Body ground Always 10 kΩ or higher
      F60-29 (RL-) - Body ground Always 10 kΩ or higher
      for 19 speakers
      Tester Connection Condition Specified Condition
      F60-11 (WFR+) - I1-1*1 Always Below 1 Ω
      F60-10 (WFR-) - I1-2*1 Always Below 1 Ω
      F60-13 (WFL+) - I10-1*2 Always Below 1 Ω
      F60-12 (WFL-) - I10-2*2 Always Below 1 Ω
      F60-14 (FR+) - P2-2 (SPI+)*1, *3 Always Below 1 Ω
      F60-29 (FR-) - P2-3 (SPI-)*1, *3 Always Below 1 Ω
      F60-14 (FR+) - F7-1 (+)*1, *4 Always Below 1 Ω
      F60-29 (FR-) - F7-3 (-)*1, *4 Always Below 1 Ω
      F60-15 (FL+) - F8-1 (+)*2 Always Below 1 Ω
      F60-30 (FL-) - F8-3 (-)*2 Always Below 1 Ω
      F60-7 (CTR+) - F6-1 (+) Always Below 1 Ω
      F60-22 (CTR-) - F6-2 (-) Always Below 1 Ω
      F61-3 (R-R+) - J1-1 (+)*1 Always Below 1 Ω
      F61-9 (R-R-) - J1-2 (-)*1 Always Below 1 Ω
      F61-4 (R-L+) - J8-1 (+)*2 Always Below 1 Ω
      F61-10 (R-L-) - J8-2 (-)*2 Always Below 1 Ω
      F60-8 (RR+) - J15-1*1 Always Below 1 Ω
      F60-23 (RR-) - J15-2*1 Always Below 1 Ω
      F60-9 (RL+) - J17-1*2 Always Below 1 Ω
      F60-24 (RL-) - J17-2*2 Always Below 1 Ω
      F61-1 (SR+) - S8-1 (RRD+)*1 Always Below 1 Ω
      F61-5 (SR-) - S8-2 (RRD-)*1 Always Below 1 Ω
      F61-2 (SL+) - S9-1 (RLD+)*2 Always Below 1 Ω
      F61-6 (SL-) - S9-2 (RLD-)*2 Always Below 1 Ω
      F60-6 (WF1+) - L4-1 (WF1+) Always Below 1 Ω
      F60-5 (WF1-) - L4-2 (WF1-) Always Below 1 Ω
      F60-11 (WFR+) - Body ground Always 10 kΩ or higher
      F60-10 (WFR-) - Body ground Always 10 kΩ or higher
      F60-13 (WFL+) - Body ground Always 10 kΩ or higher
      F60-12 (WFL-) - Body ground Always 10 kΩ or higher
      F60-14 (FR+) - Body ground Always 10 kΩ or higher
      F60-29 (FR-) - Body ground Always 10 kΩ or higher
      F60-15 (FL+) - Body ground Always 10 kΩ or higher
      F60-30 (FL-) - Body ground Always 10 kΩ or higher
      F60-7 (CTR+) - Body ground Always 10 kΩ or higher
      F60-22 (CTR-) - Body ground Always 10 kΩ or higher
      F61-3 (R-R+) - Body ground Always 10 kΩ or higher
      F61-9 (R-R-) - Body ground Always 10 kΩ or higher
      F61-4 (R-L+) - Body ground Always 10 kΩ or higher
      F61-10 (R-L-) - Body ground Always 10 kΩ or higher
      F60-8 (RR+) - Body ground Always 10 kΩ or higher
      F60-23 (RR-) - Body ground Always 10 kΩ or higher
      F60-9 (RL+) - Body ground Always 10 kΩ or higher
      F60-24 (RL-) - Body ground Always 10 kΩ or higher
      F60-1 (SR+) - Body ground Always 10 kΩ or higher
      F60-5 (SR-) - Body ground Always 10 kΩ or higher
      F61-2 (SL+)- Body ground Always 10 kΩ or higher
      F61-6 (SL-) - Body ground Always 10 kΩ or higher
      F60-6 (WF1+) - Body ground Always 10 kΩ or higher
      F60-5 (WF1-) - Body ground Always 10 kΩ or higher

    NG
    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
    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
    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/ Emergency Call Switch) B
      NG (w/o Emergency Call Switch) C

    B
    C
    A
  7. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - FRONT NO. 2 SPEAKER RH)


    1. Disconnect the P2 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
    OK
  8. INSPECT TELEMATICS TRANSCEIVER


    1. A01ES29E29

      Remove the 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
    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
    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
    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
    C
    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.

    NG
    OK
  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
    OK
  14. INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. Disconnect the rear header assembly connector.

    2. Inspect the rear header assembly Click here.


    NG
    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.


    NG
    OK