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

DTC Code DTC Name
B15C3 Speaker Output Short

DESCRIPTION



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

  • w/o Stereo Component Amplifier:


    • Harness or connector

    • Speakers

    • Radio receiver assembly

    • DCM (telematics transceiver) (w/ Telematics Transceiver)


  • w/ Stereo Component Amplifier:


    • Harness or connector

    • Speakers

    • Stereo component amplifier assembly

WIRING DIAGRAM

A01XNLNE01
w/ Stereo Component Amplifier
*a Front No. 1 Speaker Assembly LH
*b Front No. 1 Speaker Assembly RH
*c Front No. 2 Speaker Assembly LH
*d Stereo Component Amplifier Assembly
A01XOQ5E01
A01XNUCE01

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

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. CONFIRM MODEL


    1. Choose the model to be inspected.

      Model
      Model Proceed to
      w/ Stereo Component Amplifier A
      w/o Stereo Component Amplifier B

    B

    CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT) Click here

    A

  3. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)


    • *1: for LH Side

      *2: for RH Side


    1. Disconnect the P32 stereo component amplifier assembly connector.

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

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

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

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

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

      Standard Resistance
      for LH Side:
      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 Always Below 1 Ω
      P32-27 (FL-) - J9-2 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 Always 10 kΩ or higher
      P32-27 (FL-) or J9-2 - Body ground 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 RH Side:
      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 Always Below 1 Ω
      P32-28 (FR-) - J8-2 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 Always 10 kΩ or higher
      P32-28 (FR-) - J8-2 - Body ground 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
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. 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

  5. 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

  6. CHECK FRONT NO. 2 SPEAKER ASSEMBLY


    1. Replace the front 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 (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    NG

  7. 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

  8. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)


    • *1: for LH Side

      *2: for RH Side

      *3: w/ Telematics Transceiver


    1. Disconnect the I119 and I120 radio receiver assembly connectors.

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

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

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

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

    6. Disconnect the I40 DCM (telematics transceiver) connector.*3

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

      Standard Resistance
      for LH Side:
      Tester Connection Condition Specified Condition
      I120-2 (FL+) - J9-3 (+TW) Always Below 1 Ω
      I120-6 (FL-) - J9-1 (-TW) Always Below 1 Ω
      J9-4 (+) - M9-1 Always Below 1 Ω
      J9-2 (-) - M9-2 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 Always 10 kΩ or higher
      I120-6 (FL-) or J9-1 (-TW) - Body ground Always 10 kΩ or higher
      J9-4 (+) or M9-1 - Body ground Always 10 kΩ or higher
      J9-2 (-) or M9-2 - Body ground 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/ Telematics Transceiver):
      Tester Connection Condition Specified Condition
      I120-1 (FR+) - I40-2 (SPI+) Always Below 1 Ω
      I40-5 (SPO+) - J8-3 (+TW) Always Below 1 Ω
      I120-5 (FR-) - I40-3 (SPI-) Always Below 1 Ω
      I40-6 (SPO-) - J8-1 (-TW) Always Below 1 Ω
      J8-4 (+) - L9-1 Always Below 1 Ω
      J8-2 (-) - L9-2 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 I40-2 (SPI+) - Body ground Always 10 kΩ or higher
      I40-5 (SPO+) or J8-3 (+TW) - Body ground Always 10 kΩ or higher
      I120-5 (FR-) or I40-3 (SPI-) - Body ground Always 10 kΩ or higher
      I40-6 (SPO-) or J8-1 (-TW) - Body ground Always 10 kΩ or higher
      J8-4 (+) or L9-1 - Body ground Always 10 kΩ or higher
      J8-2 (-) or L9-2 - Body ground 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
      for RH Side (w/o Telematics Transceiver):
      Tester Connection Condition Specified Condition
      I120-1 (FR+) - J8-3 (+TW) Always Below 1 Ω
      I120-5 (FR-) - J8-1 (-TW) Always Below 1 Ω
      J8-4 (+) - L9-1 Always Below 1 Ω
      J8-2 (-) - L9-2 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 Always 10 kΩ or higher
      I120-5 (FR-) or J8-1 (-TW) - Body ground Always 10 kΩ or higher
      J8-4 (+) or L9-1 - Body ground Always 10 kΩ or higher
      J8-2 (-) or L9-2 - Body ground 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

  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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  10. 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

  11. CHECK FRONT NO. 2 SPEAKER ASSEMBLY


    1. Replace the front 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 (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    NG

  12. 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 Proceed to
      OK A
      NG (w/ Telematics Transceiver) B
      NG (w/o Telematics Transceiver) C

    A

    END (REAR NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    C

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    B

  13. CHECK DCM (TELEMATICS TRANSCEIVER)


    1. Replace the DCM (telematics transceiver) with a new 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 (DCM [TELEMATICS TRANSCEIVER] IS DEFECTIVE)

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here