AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B15C3

DTC Code DTC Name
B15C3 Speaker Output Short

DESCRIPTION

This DTC is stored from the multi-media module receiver assembly when a malfunction occurs in the speakers. In addition, the multi-media module receiver assembly detects a malfunction via the stereo component amplifier assembly.

DTC Code DTC Detection Condition Trouble Area
B15C3 A short is detected in the speaker output circuit.

  • Stereo component amplifier assembly

  • DCM (telematics transceiver)*

  • Speakers

  • Harness or connector

*: w/ Telematics Transceiver

WIRING DIAGRAM

A000ZSBE18
A000YMKE12

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 Navigation System.

Click here

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.

      Click here

      Result
      Proceed
      NEXT

    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.
      Result
      Proceed
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  3. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)


    • *1: for RH Side

    • *2: for LH Side

    • *3: w/ Telematics Transceiver


    1. Disconnect the R95 stereo component amplifier assembly connector.

    2. Disconnect the N4*1 and/or N12*2 front No. 1 speaker assembly connector.

    3. Disconnect the L84*1 and/or L9*2 front No. 2 speaker assembly connector.

    4. Disconnect the M1 front No. 3 speaker assembly connector.

    5. Disconnect the O10*1 and/or O21*2 rear No. 1 speaker assembly connector.

    6. Disconnect the O1*1 and/or O12*2 rear No. 2 speaker assembly connector.

    7. Disconnect the Q3*1 and/or Q8*2 rear No. 3 speaker assembly connector.

    8. Disconnect the R18*1 and/or S18*2 rear header speaker assembly connector.

    9. Disconnect the R20 floor stereo component speaker assembly connector.

    10. Disconnect the L191 DCM (telematics transceiver) connector.*3

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

      Standard Resistance
      for RH Side (w/ Telematics Transceiver)
      Tester Connection Condition Specified Condition
      R95-5 (WFR+) - N4-1 Always Below 1 Ω
      R95-20 (WFR-) - N4-2 Always Below 1 Ω
      R95-13 (FR+) - L191-2 (SPI+) Always Below 1 Ω
      R95-28 (FR-) - L191-3 (SPI-) Always Below 1 Ω
      R95-2 (TMUT) - L191-17 (MUTE) Always Below 1 Ω
      L191-5 (SPO+) - L84-1 Always Below 1 Ω
      L191-6 (SPO-) - L84-2 Always Below 1 Ω
      R96-4 (RR+) - O1-1 Always Below 1 Ω
      R96-10 (RR-) - O1-2 Always Below 1 Ω
      R95-15 (TWR+) - Q3-1 (+TW) Always Below 1 Ω
      R95-30 (TWR-) - Q3-2 (-TW) Always Below 1 Ω
      Q3-3 (RRD+) - O10-1 Always Below 1 Ω
      Q3-4 (RRD-) - O10-2 Always Below 1 Ω
      R96-2 (SR+) - R18-1 Always Below 1 Ω
      R96-6 (SR-) - R18-2 Always Below 1 Ω
      R95-5 (WFR+) - Body ground Always 10 kΩ or higher
      R95-20 (WFR-) - Body ground Always 10 kΩ or higher
      R95-13 (FR+) - Body ground Always 10 kΩ or higher
      R95-28 (FR-) - Body ground Always 10 kΩ or higher
      R95-2 (TMUT) - Body ground Always 10 kΩ or higher
      L191-5 (SPO+) - Body ground Always 10 kΩ or higher
      L191-6 (SPO-) - Body ground Always 10 kΩ or higher
      R96-4 (RR+) - Body ground Always 10 kΩ or higher
      R96-10 (RR-) - Body ground Always 10 kΩ or higher
      R95-15 (TWR+) - Body ground Always 10 kΩ or higher
      R95-30 (TWR-) - Body ground Always 10 kΩ or higher
      Q3-3 (RRD+) - Body ground Always 10 kΩ or higher
      Q3-4 (RRD-) - Body ground Always 10 kΩ or higher
      R96-2 (SR+) - Body ground Always 10 kΩ or higher
      R96-6 (SR-) - Body ground Always 10 kΩ or higher
      for RH Side (w/o Telematics Transceiver):
      Tester Connection Condition Specified Condition
      R95-5 (WFR+) - N4-1 Always Below 1 Ω
      R95-20 (WFR-) - N4-2 Always Below 1 Ω
      R95-13 (FR+) - L84-1 Always Below 1 Ω
      R95-28 (FR-) - L84-2 Always Below 1 Ω
      R96-4 (RR+) - O1-1 Always Below 1 Ω
      R96-10 (RR-) - O1-2 Always Below 1 Ω
      R95-15 (TWR+) - Q3-1 (+TW) Always Below 1 Ω
      R95-30 (TWR-) - Q3-2 (-TW) Always Below 1 Ω
      Q3-3 (RRD+) - O10-1 Always Below 1 Ω
      Q3-4 (RRD-) - O10-2 Always Below 1 Ω
      R96-2 (SR+) - R18-1 Always Below 1 Ω
      R96-6 (SR-) - R18-2 Always Below 1 Ω
      R95-5 (WFR+) - Body ground Always 10 kΩ or higher
      R95-20 (WFR-) - Body ground Always 10 kΩ or higher
      R95-13 (FR+) - Body ground Always 10 kΩ or higher
      R95-28 (FR-) - Body ground Always 10 kΩ or higher
      R96-4 (RR+) - Body ground Always 10 kΩ or higher
      R96-10 (RR-) - Body ground Always 10 kΩ or higher
      R95-15 (TWR+) - Body ground Always 10 kΩ or higher
      R95-30 (TWR-) - Body ground Always 10 kΩ or higher
      Q3-3 (RRD+) - Body ground Always 10 kΩ or higher
      Q3-4 (RRD-) - Body ground Always 10 kΩ or higher
      R96-2 (SR+) - Body ground Always 10 kΩ or higher
      R96-6 (SR-) - Body ground Always 10 kΩ or higher
      for LH Side:
      Tester Connection Condition Specified Condition
      R95-4 (WFL+) - N12-1 Always Below 1 Ω
      R95-19 (WFL-) - N12-2 Always Below 1 Ω
      R95-12 (FL+) - L9-1 Always Below 1 Ω
      R95-27 (FL-) - L9-2 Always Below 1 Ω
      R96-3 (RL+) - O12-1 Always Below 1 Ω
      R96-9 (RL-) - O12-2 Always Below 1 Ω
      R95-14 (TWL+) - Q8-1 (+TW) Always Below 1 Ω
      R95-29 (TWL-) - Q8-2 (-TW) Always Below 1 Ω
      Q8-3 (RLD+) - O21-1 Always Below 1 Ω
      Q8-4 (RLD-) - O21-2 Always Below 1 Ω
      R96-1 (SL+) - S18-1 Always Below 1 Ω
      R96-5 (SL-) - S18-2 Always Below 1 Ω
      R95-4 (WFL+) - Body ground Always 10 kΩ or higher
      R95-19 (WFL-) - Body ground Always 10 kΩ or higher
      R95-12 (FL+) - Body ground Always 10 kΩ or higher
      R95-27 (FL-) - Body ground Always 10 kΩ or higher
      R96-3 (RL+) - Body ground Always 10 kΩ or higher
      R96-9 (RL-) - Body ground Always 10 kΩ or higher
      R95-14 (TWL+) - Body ground Always 10 kΩ or higher
      R95-29 (TWL-) - Body ground Always 10 kΩ or higher
      Q8-3 (RLD+) - Body ground Always 10 kΩ or higher
      Q8-4 (RLD-) - Body ground Always 10 kΩ or higher
      R96-1 (SL+) - Body ground Always 10 kΩ or higher
      R96-5 (SL-) - Body ground Always 10 kΩ or higher
      for Center Side:
      Tester Connection Condition Specified Condition
      R95-7 (CTR+) - M1-1 Always Below 1 Ω
      R95-22 (CTR-) - M1-2 Always Below 1 Ω
      R95-6 (WF1+) - R20-1 (WF1+) Always Below 1 Ω
      R95-21 (WF1-) - R20-4 (WF1-) Always Below 1 Ω
      R95-7 (CTR+) - Body ground Always 10 kΩ or higher
      R95-22 (CTR-) - Body ground Always 10 kΩ or higher
      R95-6 (WF1+) - Body ground Always 10 kΩ or higher
      R95-21 (WF1-) - 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 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

  6. 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

  7. INSPECT REAR NO. 1 SPEAKER ASSEMBLY


    1. Remove the rear No. 1 speaker assembly.

      for Standard Body: Click here

      for Long Body: Click here

    2. Inspect the rear No. 1 speaker assembly.

      for Standard Body: Click here

      for Long Body: Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR NO. 1 SPEAKER ASSEMBLY for Standard Body: Click here
    REPLACE REAR NO. 1 SPEAKER ASSEMBLY for Long Body: Click here

    OK

  8. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. Remove the rear No. 2 speaker assembly.

      for Standard Body: Click here

      for Long Body: Click here

    2. Inspect the rear No. 2 speaker assembly.

      for Standard Body: Click here

      for Long Body: Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY for Standard Body: Click here
    REPLACE REAR NO. 2 SPEAKER ASSEMBLY for Long Body: Click here

    OK

  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. INSPECT FLOOR STEREO COMPONENT SPEAKER ASSEMBLY


    1. Remove the floor stereo component speaker assembly.

      Click here

    2. Inspect the floor stereo component speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FLOOR STEREO COMPONENT SPEAKER ASSEMBLY Click here

    OK

  11. CHECK REAR NO. 3 SPEAKER ASSEMBLY


    1. Replace the rear No. 3 speaker assembly with a new or known good one.

      for Standard Body: Click here

      for Long Body: Click here

    2. Check for DTCs and check if the same DTC is output.

      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

    END (REAR NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

    C

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    B

  12. CHECK DCM (TELEMATICS TRANSCEIVER)


    1. Replace the DCM (telematics transceiver) with a new one.

      Click here

    2. Check for DTCs and check if the same DTC is output.

      Click here

      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (DCM [TELEMATICS TRANSCEIVER] IS DEFECTIVE)

    NG

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here