AUDIO AND VISUAL SYSTEM(for Radio and Display Type), 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.
  • for 6 Speakers


    • Harness or connector

    • Speakers

    • Radio and display receiver assembly


  • for 9 Speakers


    • Harness or connector

    • Speakers

    • Stereo component amplifier assembly

    • Telematics transceiver*


WIRING DIAGRAM

B001H6WE07
B001FNME01

CAUTION / NOTICE / HINT

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

Click here

Tech Tips

After the inspection is completed, clear the DTCs.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTC Click here.


    NEXT
  2. CHECK FOR DTC


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

      OK
      DTC B15C3 is not output.

    OK
    NG
  3. CHECK VEHICLE CONDITION (SPEAKER TYPE)


    1. Check the vehicle condition.

      Result
      Result Proceed to
      for 6 Speakers A
      for 9 Speakers B

    B
    A
  4. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)


    • *1: for RH Side

    • *2: for LH Side


    1. Disconnect the H48 and H49 radio and display receiver assembly connectors.

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

    3. Disconnect the H34*1 and/or H35*2 front No. 2 speaker assembly connector.

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

      Standard Resistance
      for RH Side:
      Tester Connection Condition Specified Condition
      H49-1 (FR+) - H34-3 (TWR+) Always Below 1 Ω
      H49-5 (FR-) - H34-1 (TWR-) Always Below 1 Ω
      H34-4 (+) - J4-1 Always Below 1 Ω
      H34-2 (-) - J4-2 Always Below 1 Ω
      H48-1 (RR+) - L1-1 Always Below 1 Ω
      H48-3 (RR-) - L1-2 Always Below 1 Ω
      H49-1 (FR+) - Body ground Always 10 kΩ or higher
      H49-5 (FR-) - Body ground Always 10 kΩ or higher
      H34-4 (+) - Body ground Always 10 kΩ or higher
      H34-2 (-) - Body ground Always 10 kΩ or higher
      H48-1 (RR+) - Body ground Always 10 kΩ or higher
      H48-3 (RR-) - Body ground Always 10 kΩ or higher
      for LH Side:
      Tester Connection Condition Specified Condition
      H49-2 (FL+) - H35-3 (TWL+) Always Below 1 Ω
      H49-6 (FL-) - H35-1 (TWL-) Always Below 1 Ω
      H35-4 (+) - K3-1 Always Below 1 Ω
      H35-2 (-) - K3-2 Always Below 1 Ω
      H48-2 (RL+) - M1-1 Always Below 1 Ω
      H48-6 (RL-) - M1-2 Always Below 1 Ω
      H49-2 (FL+) - Body ground Always 10 kΩ or higher
      H49-6 (FL-) - Body ground Always 10 kΩ or higher
      H35-4 (+) - Body ground Always 10 kΩ or higher
      H35-2 (-) - Body ground Always 10 kΩ or higher
      H48-2 (RL+) - Body ground Always 10 kΩ or higher
      H48-6 (RL-) - Body ground Always 10 kΩ or higher

    NG
    OK
  5. 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
    OK
  6. INSPECT REAR SPEAKER SET


    1. Remove the rear speaker set.

      Click here

    2. Inspect the rear speaker set.

      Click here


    NG
    OK
  7. CHECK FRONT NO. 2 SPEAKER ASSEMBLY


    1. Replace the front No. 2 speaker with a new or known good one Click here.

    2. Clear the DTCs.

      Click here

    3. Check for DTCs.

      Click here

      OK
      No DTCs are output.

    OK
    NG
  8. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)


    • *1: for RH Side

    • *2: for LH Side

    • *3: w/ Telematics Transceiver

    • *4: for 3 Door

    • *5: for 5 Door


    1. Disconnect the H67 stereo component amplifier assembly connector.

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

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

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

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

    6. Disconnect the G187 telematics transceiver connector*3.

    7. Disconnect the Q32*1 and/or R37*2 rear speaker set connector*4.

    8. Disconnect the L1*1 and/or M1*2 rear speaker set connector*5.

      Standard Resistance
      for Front No. 4 Speaker Assembly:
      Tester Connection Condition Specified Condition
      H67-7 (CTR+) - H14-2 Always Below 1 Ω
      H67-22 (CTR-) - H14-1 Always Below 1 Ω
      H67-7 (CTR+) - Body ground Always 10 kΩ or higher
      H67-22 (CTR-) - Body ground Always 10 kΩ or higher
      for RH Side (for 3 Door):
      Tester Connection Condition Specified Condition
      H67-5 (WFR+) - J4-1 Always Below 1 Ω
      H67-20 (WFR-) - J4-2 Always Below 1 Ω
      H67-13 (FR+) - H21-1 (TWR+) Always Below 1 Ω
      H67-28 (FR-) - H21-2 (TWR-) Always Below 1 Ω
      H21-3 (+) - H10-2 Always Below 1 Ω
      H21-4 (-) - H10-1 Always Below 1 Ω
      H67-15 (RR+) - Q32-1 Always Below 1 Ω
      H67-30 (RR-) - Q32-2 Always Below 1 Ω
      H67-5 (WFR+) - Body ground Always 10 kΩ or higher
      H67-20 (WFR-) - Body ground Always 10 kΩ or higher
      H67-13 (FR+) - Body ground Always 10 kΩ or higher
      H67-28 (FR-) - Body ground Always 10 kΩ or higher
      H21-3 (+) - Body ground Always 10 kΩ or higher
      H21-4 (-) - Body ground Always 10 kΩ or higher
      H67-15 (RR+) - Body ground Always 10 kΩ or higher
      H67-30 (RR-) - Body ground Always 10 kΩ or higher
      for LH Side (for 3 Door):
      Tester Connection Condition Specified Condition
      H67-4 (WFL+) - K3-1 Always Below 1 Ω
      H67-19 (WFL-) - K3-2 Always Below 1 Ω
      H67-12 (FL+) - H22-1 (TWL+) Always Below 1 Ω
      H67-27 (FL-) - H22-2 (TWL-) Always Below 1 Ω
      H22-3 (+) - H13-2 Always Below 1 Ω
      H22-4 (-) - H13-1 Always Below 1 Ω
      H67-14 (RL+) - R37-1 Always Below 1 Ω
      H67-29 (RL-) - R37-2 Always Below 1 Ω
      H67-4 (WFL+) - Body ground Always 10 kΩ or higher
      H67-19 (WFL-) - Body ground Always 10 kΩ or higher
      H67-12 (FL+) - Body ground Always 10 kΩ or higher
      H67-27 (FL-) - Body ground Always 10 kΩ or higher
      H22-3 (+) - Body ground Always 10 kΩ or higher
      H22-4 (-) - Body ground Always 10 kΩ or higher
      H67-14 (RL+) - Body ground Always 10 kΩ or higher
      H67-29 (RL-) - Body ground Always 10 kΩ or higher
      for RH Side (for 5 Door [w/ Telematics Transceiver]):
      Tester Connection Condition Specified Condition
      H67-5 (WFR+) - J4-1 Always Below 1 Ω
      H67-20 (WFR-) - J4-2 Always Below 1 Ω
      H67-13 (FR+) - G187-2 (SPI+) Always Below 1 Ω
      H67-28 (FR-) - G187-3 (SPI-) Always Below 1 Ω
      G187-5 (SPO+) - H21-1 (TWR+) Always Below 1 Ω
      G187-6 (SPO-) - H21-2 (TWR-) Always Below 1 Ω
      H21-3 (+) - H10-2 Always Below 1 Ω
      H21-4 (-) - H10-1 Always Below 1 Ω
      H67-15 (RR+) - L1-1 Always Below 1 Ω
      H67-30 (RR-) - L1-2 Always Below 1 Ω
      H67-5 (WFR+) - Body ground Always 10 kΩ or higher
      H67-20 (WFR-) - Body ground Always 10 kΩ or higher
      H67-13 (FR+) - Body ground Always 10 kΩ or higher
      H67-28 (FR-) - Body ground Always 10 kΩ or higher
      G187-5 (SPO+) - Body ground Always 10 kΩ or higher
      G187-6 (SPO-) - Body ground Always 10 kΩ or higher
      H21-3 (+) - Body ground Always 10 kΩ or higher
      H21-4 (-) - Body ground Always 10 kΩ or higher
      H67-15 (RR+) - Body ground Always 10 kΩ or higher
      H67-30 (RR-) - Body ground Always 10 kΩ or higher
      for RH Side (for 5 Door [w/o Telematics Transceiver]):
      Tester Connection Condition Specified Condition
      H67-5 (WFR+) - J4-1 Always Below 1 Ω
      H67-20 (WFR-) - J4-2 Always Below 1 Ω
      H67-13 (FR+) - H21-1 (TWR+) Always Below 1 Ω
      H67-28 (FR-) - H21-2 (TWR-) Always Below 1 Ω
      H21-3 (+) - H10-2 Always Below 1 Ω
      H21-4 (-) - H10-1 Always Below 1 Ω
      H67-15 (RR+) - L1-1 Always Below 1 Ω
      H67-30 (RR-) - L1-2 Always Below 1 Ω
      H67-5 (WFR+) - Body ground Always 10 kΩ or higher
      H67-20 (WFR-) - Body ground Always 10 kΩ or higher
      H67-13 (FR+) - Body ground Always 10 kΩ or higher
      H67-28 (FR-) - Body ground Always 10 kΩ or higher
      H21-3 (+) - Body ground Always 10 kΩ or higher
      H21-4 (-) - Body ground Always 10 kΩ or higher
      H67-15 (RR+) - Body ground Always 10 kΩ or higher
      H67-30 (RR-) - Body ground Always 10 kΩ or higher
      for LH Side (for 5 Door):
      Tester Connection Condition Specified Condition
      H67-4 (WFL+) - K3-1 Always Below 1 Ω
      H67-19 (WFL-) - K3-2 Always Below 1 Ω
      H67-12 (FL+) - H22-1 (TWL+) Always Below 1 Ω
      H67-27 (FL-) - H22-2 (TWL-) Always Below 1 Ω
      H22-3 (+) - H13-2 Always Below 1 Ω
      H22-4 (-) - H13-1 Always Below 1 Ω
      H67-14 (RL+) - M1-1 Always Below 1 Ω
      H67-29 (RL-) - M1-2 Always Below 1 Ω
      H67-4 (WFL+) - Body ground Always 10 kΩ or higher
      H67-19 (WFL-) - Body ground Always 10 kΩ or higher
      H67-12 (FL+) - Body ground Always 10 kΩ or higher
      H67-27 (FL-) - Body ground Always 10 kΩ or higher
      H22-3 (+) - Body ground Always 10 kΩ or higher
      H22-4 (-) - Body ground Always 10 kΩ or higher
      H67-14 (RL+) - Body ground Always 10 kΩ or higher
      H67-29 (RL-) - Body ground Always 10 kΩ or higher

    NG
    OK
  9. 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
    OK
  10. INSPECT REAR SPEAKER SET


    1. Remove the rear speaker set.


    2. Inspect the rear speaker set.


      Result
      Result Proceed to
      OK A
      NG (for 3 Door) B
      NG (for 5 Door) C

    B
    C
    A
  11. CHECK FRONT NO. 2 SPEAKER ASSEMBLY


    1. Replace the front No. 2 speaker with a new or known good one Click here.

    2. Clear the DTCs.

      Click here

    3. Check for DTCs.

      Click here

      OK
      No DTCs are output.

    OK
    NG
  12. CHECK FRONT NO. 4 SPEAKER ASSEMBLY


    1. Replace the front No. 4 speaker with a new or known good one Click here.

    2. Clear the DTCs.

      Click here

    3. Check for DTCs.

      Click here

      OK
      No DTCs are output.

    OK
    NG
  13. CHECK FRONT NO. 3 SPEAKER ASSEMBLY


    1. Replace the front No. 3 speaker with a new or known good one Click here.

    2. Clear the DTCs.

      Click here

    3. Check for DTCs.

      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
    C
    B
  14. CHECK TELEMATICS TRANSCEIVER


    1. Replace the telematics transceiver with a new one.

      Click here

    2. Clear the DTCs.

      Click here

    3. Check for DTCs.

      Click here

      OK
      No DTCs are output.

    OK
    NG