AUDIO AND VISUAL SYSTEM(for 10.3 Inch Display), Diagnostic DTC:B15C3

DTC Code DTC Name
B15C3 Speaker Output Short

DESCRIPTION

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

In addition, the radio receiver assembly detects a malfunction via the stereo component amplifier assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C3 Speaker Output Short A short is detected in the speaker output circuit

  • Harness or connector

  • Speakers

  • Stereo component amplifier assembly

WIRING DIAGRAM

B0057INE02
B0057ZPE02

CAUTION / NOTICE / HINT

Tech Tips

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

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)


    • *1: for LH Side

      *2: for RH Side

      *3: for 14 Speakers


    1. Disconnect the P22 stereo component amplifier assembly connector.

    2. Disconnect the M9*1 and/or L9*2 front No. 1 speaker assembly connector.

    3. Disconnect the J2*1 and/or J1*2 front No. 2 speaker assembly connector.

    4. Disconnect the J3 front No. 3 speaker assembly connector.

    5. Disconnect the O6*1 and/or N5*2 rear No. 2 speaker assembly connector.

    6. Disconnect the O5*1 and/or N6*2 rear speaker assembly connector.

    7. Disconnect the Y20 rear No. 3 speaker assembly connector.

    8. Disconnect the Q19*1 and/or P17*2 rear header speaker assembly connector.*3

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

      Standard Resistance
      for LH Side:
      Tester Connection Condition Specified Condition
      P22-4 (WFL+) - M9-1 Always Below 1 Ω
      P22-19 (WFL-) - M9-2 Always Below 1 Ω
      P22-12 (FL+) - J2-2 Always Below 1 Ω
      P22-27 (FL-) - J2-1 Always Below 1 Ω
      P22-8 (RL+) - O6-3 (+TW) Always Below 1 Ω
      P22-23 (RL-) - O6-1 (-TW) Always Below 1 Ω
      O6-4 (+) - O5-1 Always Below 1 Ω
      O6-2 (-) - O5-2 Always Below 1 Ω
      P22-10 (SL+) - Q19-2* Always Below 1 Ω
      P22-25 (SL-) - Q19-1* Always Below 1 Ω
      P22-4 (WFL+) - Body ground Always 10 kΩ or higher
      P22-19 (WFL-) - Body ground Always 10 kΩ or higher
      P22-12 (FL+) - Body ground Always 10 kΩ or higher
      P22-27 (FL-) - Body ground Always 10 kΩ or higher
      P22-8 (RL+) - Body ground Always 10 kΩ or higher
      P22-23 (RL-) - Body ground Always 10 kΩ or higher
      O6-4 (+) - Body ground Always 10 kΩ or higher
      O6-2 (-) - Body ground Always 10 kΩ or higher
      P22-10 (SL+) - Body ground* Always 10 kΩ or higher
      P22-25 (SL-) - Body ground* Always 10 kΩ or higher
      *: for 14 Speakers
      for RH Side:
      Tester Connection Condition Specified Condition
      P22-5 (WFR+) - L9-1 Always Below 1 Ω
      P22-20 (WFR-) - L9-2 Always Below 1 Ω
      P22-13 (FR+) - J1-2 Always Below 1 Ω
      P22-28 (FR-) - J1-1 Always Below 1 Ω
      P22-9 (RR+) - N5-3 (+TW) Always Below 1 Ω
      P22-24 (RR-) - N5-1 (-TW) Always Below 1 Ω
      N5-4 (+) - N6-1 Always Below 1 Ω
      N5-2 (-) - N6-2 Always Below 1 Ω
      P22-11 (SR+) - P17-2* Always Below 1 Ω
      P22-26 (SR-) - P17-1* Always Below 1 Ω
      P22-5 (WFR+) - Body ground Always 10 kΩ or higher
      P22-20 (WFR-) - Body ground Always 10 kΩ or higher
      P22-13 (FR+) - Body ground Always 10 kΩ or higher
      P22-28 (FR-) - Body ground Always 10 kΩ or higher
      P22-9 (RR+) - Body ground Always 10 kΩ or higher
      P22-24 (RR-) - Body ground Always 10 kΩ or higher
      N5-4 (+) - Body ground Always 10 kΩ or higher
      N5-2 (-) - Body ground Always 10 kΩ or higher
      P22-11 (SR+) - Body ground* Always 10 kΩ or higher
      P22-26 (SR-) - Body ground* Always 10 kΩ or higher
      *: for 14 Speakers
      for Center Side:
      Tester Connection Condition Specified Condition
      P22-7 (CTR+) - J3-2 Always Below 1 Ω
      P22-22 (CTR-) - J3-1 Always Below 1 Ω
      P22-6 (WF1+) - Y20-1 Always Below 1 Ω
      P22-21 (WF1-) - Y20-2 Always Below 1 Ω
      P22-7 (CTR+) - Body ground Always 10 kΩ or higher
      P22-22 (CTR-) - Body ground Always 10 kΩ or higher
      P22-6 (WF1+) - Body ground Always 10 kΩ or higher
      P22-21 (WF1-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. 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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  4. 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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  5. 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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  6. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. Inspect the rear speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  7. INSPECT REAR NO. 3 SPEAKER ASSEMBLY


    1. Remove the rear No. 3 speaker assembly.

      Click here

    2. Inspect the rear No. 3 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

    OK

  8. CHECK VEHICLE TYPE


    1. Check the vehicle type.

      Result
      Result Proceed to
      for 14 Speakers A
      for 10 Speakers B

    B

    GO TO STEP 10 Click here

    A

  9. INSPECT REAR HEADER SPEAKER ASSEMBLY


    1. Remove the rear header speaker assembly.

      Click here

    2. Inspect the rear header speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR HEADER SPEAKER ASSEMBLY Click here

    OK

  10. CHECK REAR NO. 2 SPEAKER ASSEMBLY


    1. Replace the rear No. 2 speaker assembly with a new or known good one.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here