AUDIO AND VISUAL SYSTEM(for Radio and Display Type), 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

  • Radio and display receiver assembly*1

  • Stereo Component Amplifier*2

  • Telematics transceiver*3

WIRING DIAGRAM

Figure 1. for 6 Speakers

B0087LUE06

Figure 2. for 9 Speakers

B0089JVE06
*a Front No. 2 Speaker Assembly RH
*b Front No. 2 Speaker Assembly LH
*c Rear Stereo Component Speaker Assembly
*d Stereo Component Amplifier Assembly
B0083Q2E04

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

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:


    • A communication malfunction DTC may be stored.

    • The radio and display receiver assembly may not operate normally.

PROCEDURE


  1. CHECK MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for 6 Speakers (w/ Telematics Transceiver) A
      for 6 Speakers (w/o Telematics Transceiver) B
      for 9 Speakers C

    B

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY OR SPEAKERS - BODY GROUND) Click here

    C

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY OR SPEAKERS - BODY GROUND) Click here

    A

  2. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY, TELEMATICS TRANSCEIVER OR SPEAKERS - BODY GROUND)


    1. Disconnect the K4 radio and display receiver assembly connector.

    2. Disconnect the K145 telematics transceiver connector.

    3. Disconnect the K8 front No. 2 speaker assembly LH connector.

    4. Disconnect the Q1 and P1 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K4-1 (FR+) or K145-2 (SPI+) - Body ground Always 10 kΩ or higher
      K4-6 (FR-) or K145-3 (SPI-) - Body ground Always 10 kΩ or higher
      K4-2 (FL+) or K8-4 (TWL+) - Body ground Always 10 kΩ or higher
      K4-7 (FL-) or K8-2 (TWL-) - Body ground Always 10 kΩ or higher
      K4-4 (RR+) or P1-1 - Body ground Always 10 kΩ or higher
      K4-9 (RR-) or P1-2 - Body ground Always 10 kΩ or higher
      K4-3 (RL+) or Q1-1 - Body ground Always 10 kΩ or higher
      K4-8 (RL-) or Q1-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER OR SPEAKER - BODY GROUND)


    1. Disconnect the K145 telematics transceiver connector.

    2. Disconnect the K7 front No. 2 speaker assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K145-5 (SPO+) or K7-4 (TWR+) - Body ground Always 10 kΩ or higher
      K145-6 (SPO-) or K7-2 (TWR-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. B0088MDC05
      *a

      Component without harness connected

      (Telematics Transceiver)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (SPI+) - 5 (SPO+) Always Below 1 Ω
      3 (SPI-) - 6 (SPO-) Always Below 1 Ω
      2 (SPI+) - 3 (SPI-) Always 10 kΩ or higher
      5 (SPO+) - 6 (SPO-) Always 10 kΩ or higher
      2 (SPI+) or 5 (SPO+) - Body ground Always 10 kΩ or higher
      3 (SPI-) or 6 (SPO-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    GO TO STEP 6 Click here

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

  5. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY OR SPEAKERS - BODY GROUND)


    1. Disconnect the K4 radio and display receiver assembly connector.

    2. Disconnect the K7 and K8 front No. 2 speaker assembly connectors.

    3. Disconnect the Q1 and P1 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K4-1 (FR+) or K7-4 (TWR+) - Body ground Always 10 kΩ or higher
      K4-6 (FR-) or K7-2 (TWR-) - Body ground Always 10 kΩ or higher
      K4-2 (FL+) or K8-4 (TWL+) - Body ground Always 10 kΩ or higher
      K4-7 (FL-) or K8-2 (TWL-) - Body ground Always 10 kΩ or higher
      K4-4 (RR+) or P1-1 - Body ground Always 10 kΩ or higher
      K4-9 (RR-) or P1-2 - Body ground Always 10 kΩ or higher
      K4-3 (RL+) or Q1-1 - Body ground Always 10 kΩ or higher
      K4-8 (RL-) or Q1-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY OR FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND)


    1. Disconnect the N1 and O1 front No. 1 speaker assembly connectors.

    2. Disconnect the K7 and K8 front No. 2 speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N1-2 or K7-3 (+) - Body ground Always 10 kΩ or higher
      N1-1 or K7-1 (-) - Body ground Always 10 kΩ or higher
      O1-2 or K8-3 (+) - Body ground Always 10 kΩ or higher
      O1-1 or K8-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. 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

  8. 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

  9. REPLACE 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

    3. Clear the DTCs.


      Body Electrical > Navigation System > Clear DTCs

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


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

    OK

    END

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

  10. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY OR SPEAKERS - BODY GROUND)


    1. Disconnect the K14 stereo component amplifier assembly connector.

    2. Disconnect the K109 and K110 front No. 3 speaker assembly connectors.

    3. Disconnect the K94 and K95 front No. 2 speaker assembly connectors.

    4. Disconnect the P1 and Q1 rear speaker assembly connectors.

    5. Disconnect the R1 rear stereo component speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K14-15 (FR+) or K109-4 (+TW) - Body ground Always 10 kΩ or higher
      K14-30 (FR-) or K109-2 (-TW) - Body ground Always 10 kΩ or higher
      K14-13 (FL+) or K110-4 (+TW) - Body ground Always 10 kΩ or higher
      K14-28 (FL-) or K110-2 (-TW) - Body ground Always 10 kΩ or higher
      K14-14 (TWR+) or K94-2 - Body ground Always 10 kΩ or higher
      K14-29 (TWR-) or K94-1 - Body ground Always 10 kΩ or higher
      K14-12 (TWL+) or K95-2 - Body ground Always 10 kΩ or higher
      K14-27 (TWL-) or K95-1 - Body ground Always 10 kΩ or higher
      K14-11 (RR+) or P1-1 - Body ground Always 10 kΩ or higher
      K14-26 (RR-) or P1-2 - Body ground Always 10 kΩ or higher
      K14-9 (RL+) or Q1-1 - Body ground Always 10 kΩ or higher
      K14-24 (RL-) or Q1-2 - Body ground Always 10 kΩ or higher
      K14-10 (WF1+) or R1-4 (WF1+) - Body ground Always 10 kΩ or higher
      K14-25 (WF1-) or R1-3 (WF1-) - Body ground Always 10 kΩ or higher
      K14-8 (WF2+) or R1-2 (WF2+) - Body ground Always 10 kΩ or higher
      K14-23 (WF2-) or R1-1 (WF2-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY OR FRONT NO. 3 SPEAKER ASSEMBLY - BODY GROUND)


    1. Disconnect the N1 and O1 front No. 1 speaker assembly connectors.

    2. Disconnect the K109 and K110 front No. 3 speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N1-2 or K109-3 (+) - Body ground Always 10 kΩ or higher
      N1-1 or K109-1 (-) - Body ground Always 10 kΩ or higher
      O1-2 or K110-3 (+) - Body ground Always 10 kΩ or higher
      O1-1 or K110-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. 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

  13. 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

  14. 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

  15. INSPECT REAR STEREO COMPONENT SPEAKER ASSEMBLY


    1. Remove the rear stereo component speaker assembly.

      Click here

    2. Inspect the rear stereo component speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR STEREO COMPONENT SPEAKER ASSEMBLY Click here

    OK

  16. REPLACE 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

    3. Clear the DTCs.


      Body Electrical > Navigation System > Clear DTCs

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


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

    OK

    END

    NG

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here