AUDIO AND VISUAL SYSTEM(for 8 Speakers), Diagnostic DTC:B15C3

DTC Code DTC Name
B15C3 Speaker Output Short

DESCRIPTION

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

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

  • Speaker

  • Stereo component amplifier assembly*

WIRING DIAGRAM

A0000VSE01
A00016JE01
A0000T7E01

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


    • *1: for LH Side

      *2: for RH Side

      *3: for LHD

      *4: for RHD

      *5: w/ Stereo Component Amplifier

      *6: w/o Stereo Component Amplifier


    1. Disconnect the P32 stereo component amplifier assembly connector*5.

    2. Disconnect the I119 and I120 radio receiver assembly connectors*6.

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

    4. for LHD:

      Disconnect the J9*1 and/or J8*2 front No. 2 speaker assembly connector.

    5. for RHD:

      Disconnect the J8*1 and/or J9*2 front No. 2 speaker assembly connector.

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

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

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

      Standard Resistance
      for LH Side (w/ Stereo Component Amplifier):
      Tester Connection Condition Specified Condition
      P32-4 (WFL+) - M9-1 Always Below 1 Ω
      P32-19 (WFL-) - M9-2 Always Below 1 Ω
      P32-12 (FL+) - J9-4 (+)*3 Always Below 1 Ω
      P32-12 (FL+) - J8-4 (+)*4 Always Below 1 Ω
      P32-27 (FL-) - J9-2 (-)*3 Always Below 1 Ω
      P32-27 (FL-) - J8-2 (-)*4 Always Below 1 Ω
      P32-14 (RL+) - O6-3 (+TW) Always Below 1 Ω
      P32-29 (RL-) - O6-1 (-TW) Always Below 1 Ω
      O6-4 (+) - O5-1 Always Below 1 Ω
      O6-2 (-) - O5-2 Always Below 1 Ω
      P32-4 (WFL+) or M9-1 - Body ground Always 10 kΩ or higher
      P32-19 (WFL-) or M9-2 - Body ground Always 10 kΩ or higher
      P32-12 (FL+) or J9-4 (+) - Body ground*3 Always 10 kΩ or higher
      P32-12 (FL+) or J8-4 (+) - Body ground*4 Always 10 kΩ or higher
      P32-27 (FL-) or J9-2 (-) - Body ground*3 Always 10 kΩ or higher
      P32-27 (FL-) or J8-2 (-) - Body ground*4 Always 10 kΩ or higher
      P32-14 (RL+) or O6-3 (+TW) - Body ground Always 10 kΩ or higher
      P32-29 (RL-) or O6-1 (-TW) - Body ground Always 10 kΩ or higher
      O6-4 (+) or O5-1 - Body ground Always 10 kΩ or higher
      O6-2 (-) or O5-2 - Body ground Always 10 kΩ or higher
      for LH Side (w/o Stereo Component Amplifier):
      Tester Connection Condition Specified Condition
      I120-2 (FL+) - J9-3 (+TW)*3 Always Below 1 Ω
      I120-2 (FL+) - J8-3 (+TW)*4 Always Below 1 Ω
      I120-6 (FL-) - J9-1 (-TW)*3 Always Below 1 Ω
      I120-6 (FL-) - J8-1 (-TW)*4 Always Below 1 Ω
      J9-4 (+) - M9-1*3 Always Below 1 Ω
      J8-4 (+) - M9-1*4 Always Below 1 Ω
      J9-2 (-) - M9-2*3 Always Below 1 Ω
      J8-2 (-) - M9-2*4 Always Below 1 Ω
      I119-2 (RL+) - O6-3 (+TW) Always Below 1 Ω
      I119-6 (RL-) - O6-1 (-TW) Always Below 1 Ω
      O6-4 (+) - O5-1 Always Below 1 Ω
      O6-2 (-) - O5-2 Always Below 1 Ω
      I120-2 (FL+) or J9-3 (+TW) - Body ground*3 Always 10 kΩ or higher
      I120-2 (FL+) or J8-3 (+TW) - Body ground*4 Always 10 kΩ or higher
      I120-6 (FL-) or J9-1 (-TW) - Body ground*3 Always 10 kΩ or higher
      I120-6 (FL-) or J8-1 (-TW) - Body ground*4 Always 10 kΩ or higher
      J9-4 (+) or M9-1 - Body ground*3 Always 10 kΩ or higher
      J8-4 (+) or M9-1 - Body ground*4 Always 10 kΩ or higher
      J9-2 (-) or M9-2 - Body ground*3 Always 10 kΩ or higher
      J8-2 (-) or M9-2 - Body ground*4 Always 10 kΩ or higher
      I119-2 (RL+) or O6-3 (+TW) - Body ground Always 10 kΩ or higher
      I119-6 (RL-) or O6-1 (-TW) - Body ground Always 10 kΩ or higher
      O6-4 (+) or O5-1 - Body ground Always 10 kΩ or higher
      O6-2 (-) or O5-2 - Body ground Always 10 kΩ or higher
      for RH Side (w/ Stereo Component Amplifier):
      Tester Connection Condition Specified Condition
      P32-5 (WFR+) - L9-1 Always Below 1 Ω
      P32-20 (WFR-) - L9-2 Always Below 1 Ω
      P32-13 (FR+) - J8-4 (+)*3 Always Below 1 Ω
      P32-13 (FR+) - J9-4 (+)*4 Always Below 1 Ω
      P32-28 (FR-) - J8-1 (-)*3 Always Below 1 Ω
      P32-28 (FR-) - J9-2 (-)*4 Always Below 1 Ω
      P32-15 (RR+) - N5-3 (+TW) Always Below 1 Ω
      P32-30 (RR-) - N5-1 (-TW) Always Below 1 Ω
      N5-4 (+) - N6-1 Always Below 1 Ω
      N5-2 (-) - N6-2 Always Below 1 Ω
      P32-5 (WFR+) or L9-1 - Body ground Always 10 kΩ or higher
      P32-20 (WFR-) or L9-2 - Body ground Always 10 kΩ or higher
      P32-13 (FR+) or J8-4 (+) - Body ground*3 Always 10 kΩ or higher
      P32-13 (FR+) or J9-4 (+) - Body ground*4 Always 10 kΩ or higher
      P32-28 (FR-) - J8-1 (-) - Body ground*3 Always 10 kΩ or higher
      P32-28 (FR-) - J9-2 (-) - Body ground*4 Always 10 kΩ or higher
      P32-15 (RR+) or N5-3 (+TW) - Body ground Always 10 kΩ or higher
      P32-30 (RR-) or N5-1 (-TW) - Body ground Always 10 kΩ or higher
      N5-4 (+) or N6-1 - Body ground Always 10 kΩ or higher
      N5-2 (-) or N6-2 - Body ground Always 10 kΩ or higher
      for RH Side (w/o Stereo Component Amplifier):
      Tester Connection Condition Specified Condition
      I120-1 (FR+) - J8-3 (+TW)*3 Always Below 1 Ω
      I120-1 (FR+) - J9-3 (+TW)*4 Always Below 1 Ω
      I120-5 (FR-) - J8-1 (-TW)*3 Always Below 1 Ω
      I120-5 (FR-) - J9-1 (-TW)*4 Always Below 1 Ω
      J8-4 (+) - L9-1*3 Always Below 1 Ω
      J9-4 (+) - L9-1*4 Always Below 1 Ω
      J8-2 (-) - L9-2*3 Always Below 1 Ω
      J9-2 (-) - L9-2*4 Always Below 1 Ω
      I119-1 (RR+) - N5-3 (+TW) Always Below 1 Ω
      I119-3 (RR-) - N5-1 (-TW) Always Below 1 Ω
      N5-4 (+) - N6-1 Always Below 1 Ω
      N5-2 (-) - N6-2 Always Below 1 Ω
      I120-1 (FR+) or J8-3 (+TW) - Body ground*3 Always 10 kΩ or higher
      I120-1 (FR+) or J9-3 (+TW) - Body ground*4 Always 10 kΩ or higher
      I120-5 (FR-) or J8-1 (-TW) - Body ground*3 Always 10 kΩ or higher
      I120-5 (FR-) or J9-1 (-TW) - Body ground*4 Always 10 kΩ or higher
      J8-4 (+) or L9-1 - Body ground*3 Always 10 kΩ or higher
      J9-4 (+) or L9-1 - Body ground*4 Always 10 kΩ or higher
      J8-2 (-) or L9-2 - Body ground*3 Always 10 kΩ or higher
      J9-2 (-) or L9-2 - Body ground*4 Always 10 kΩ or higher
      I119-1 (RR+) or N5-3 (+TW) - Body ground Always 10 kΩ or higher
      I119-3 (RR-) or N5-1 (-TW) - Body ground Always 10 kΩ or higher
      N5-4 (+) or N6-1 - Body ground Always 10 kΩ or higher
      N5-2 (-) or N6-2 - 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 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

  5. CHECK FRONT NO. 2 SPEAKER ASSEMBLY


    1. Replace the front No. 2 speaker assembly.

      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 (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    NG

  6. CHECK REAR NO. 2 SPEAKER ASSEMBLY


    1. Replace the rear No. 2 speaker assembly.

      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
      Result Proceed to
      OK A
      NG (w/ Stereo Component Amplifier) B
      NG (w/o Stereo Component Amplifier) C

    A

    END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    B

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    C

    REPLACE RADIO RECEIVER ASSEMBLY Click here