AUDIO AND VISUAL SYSTEM(for 7 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.

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 receiver assembly*1

  • Radio setting condenser*1

  • Stereo component amplifier assembly*2

  • Telematics transceiver*3

WIRING DIAGRAM

Figure 1. for 6 Speakers

B00739AE19

Figure 2. for 10 Speakers

B0074P1E19
B0077O7E43

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 MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for 6 Speakers A
      for 10 Speakers (w/ Manual (SOS) Switch) B
      for 10 Speakers (w/o Manual (SOS) Switch) C

    B

    CHECK HARNESS AND CONNECTOR Click here

    C

    CHECK HARNESS AND CONNECTOR Click here

    A

  2. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - BODY GROUND)


    1. Disconnect the O161 radio receiver assembly connector.

    2. Disconnect the O67 radio setting condenser connector.

    3. Disconnect the R14 and S14 front No. 1 speaker assembly connectors.

    4. Disconnect the O54 and O55 front No. 2 speaker assembly connectors.

    5. Disconnect the T25 and U35 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O161-1 (FR+) or R14-1 - Body ground Always 10 kΩ or higher
      O161-6 (FR-) or R14-2 - Body ground Always 10 kΩ or higher
      O161-2 (FL+) or S14-1 - Body ground Always 10 kΩ or higher
      O161-7 (FL-) or S14-2 - Body ground Always 10 kΩ or higher
      O161-4 (RR+) or T25-1 - Body ground Always 10 kΩ or higher
      O161-9 (RR-) or T25-2 - Body ground Always 10 kΩ or higher
      O161-3 (RL+) or U35-1 - Body ground Always 10 kΩ or higher
      O161-8 (RL-) or U35-2 - Body ground Always 10 kΩ or higher
      O54-1 or O67-7 (RI-) - Body ground Always 10 kΩ or higher
      O54-2 or O67-8 (RI+) - Body ground Always 10 kΩ or higher
      O55-1 or O67-5 (LI-) - Body ground Always 10 kΩ or higher
      O55-2 or O67-4 (LI+) - 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 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. REPLACE RADIO SETTING CONDENSER


    1. Replace the radio setting condencer with a new or known good one.

    2. Clear the DTCs.


      Body Electrical > Navigation System > Clear DTCs

    3. 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 RECEIVER ASSEMBLY Click here

  7. CHECK HARNESS AND CONNECTOR


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the O150 telematics transceiver connector.

    3. Disconnect the O54 and O55 front No. 2 speaker assembly connectors.

    4. Disconnect the R14 and S14 front No. 1 speaker assembly connectors.

    5. Disconnect the T25 and U35 rear speaker assembly connectors.

    6. Disconnect the T24 rear No. 3 speaker assembly connector.

    7. Disconnect the O56 front No. 3 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T20-13 (FR+) or O150-2 (SPI+) - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O150-3 (SPI-) - Body ground Always 10 kΩ or higher
      O54-1 (-) or O150-6 (SPO-) - Body ground Always 10 kΩ or higher
      O54-2 (+) or O150-5 (SPO+) - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 (+) - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 (-) - Body ground Always 10 kΩ or higher
      T20-5 (WFR+) or R14-1 - Body ground Always 10 kΩ or higher
      T20-20 (WFR-) or R14-2 - Body ground Always 10 kΩ or higher
      T20-4 (WFL+) or S14-1 - Body ground Always 10 kΩ or higher
      T20-19 (WFL-) or S14-2 - Body ground Always 10 kΩ or higher
      T20-9 (RR+) or T25-1 - Body ground Always 10 kΩ or higher
      T20-24 (RR-) or T25-2 - Body ground Always 10 kΩ or higher
      T20-8 (RL+) or U35-1 - Body ground Always 10 kΩ or higher
      T20-23 (RL-) or U35-2 - Body ground Always 10 kΩ or higher
      T20-6 (WF1+) or T24-1 - Body ground Always 10 kΩ or higher
      T20-21 (WF1-) or T24-2 - Body ground Always 10 kΩ or higher
      T20-7 (CTR+) or O56-2 (+) - Body ground Always 10 kΩ or higher
      T20-22 (CTR-) or O56-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. B00771JC05
      *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 10 Click here

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

  9. CHECK HARNESS AND CONNECTOR


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the O54 and O55 front No. 2 speaker assembly connectors.

    3. Disconnect the R14 and S14 front No. 1 speaker assembly connectors.

    4. Disconnect the T25 and U35 rear speaker assembly connectors.

    5. Disconnect the T24 rear No. 3 speaker assembly connector.

    6. Disconnect the O56 front No. 3 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T20-13 (FR+) or O54-2 (+) - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O54-1 (-) - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 (+) - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 (-) - Body ground Always 10 kΩ or higher
      T20-5 (WFR+) or R14-1 - Body ground Always 10 kΩ or higher
      T20-20 (WFR-) or R14-2 - Body ground Always 10 kΩ or higher
      T20-4 (WFL+) or S14-1 - Body ground Always 10 kΩ or higher
      T20-19 (WFL-) or S14-2 - Body ground Always 10 kΩ or higher
      T20-9 (RR+) or T25-1 - Body ground Always 10 kΩ or higher
      T20-24 (RR-) or T25-2 - Body ground Always 10 kΩ or higher
      T20-8 (RL+) or U35-1 - Body ground Always 10 kΩ or higher
      T20-23 (RL-) or U35-2 - Body ground Always 10 kΩ or higher
      T20-6 (WF1+) or T24-1 - Body ground Always 10 kΩ or higher
      T20-21 (WF1-) or T24-2 - Body ground Always 10 kΩ or higher
      T20-7 (CTR+) or O56-2 (+) - Body ground Always 10 kΩ or higher
      T20-22 (CTR-) or O56-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    END