NAVIGATION 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

  • Telematics transceiver*

WIRING DIAGRAM


  1. for 6 Speakers

    A002CBHE07

  2. for 12 Speakers

    A00286QE01
    A0028EEE01

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. CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for 6 Speakers A
      for 12 Speakers B

    B

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

    A

  2. CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      w/ Manual (SOS) Switch A
      w/o Manual (SOS) Switch B

    B

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

    A

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


    1. Disconnect the F69 and F70 radio and display receiver assembly connectors.

    2. Disconnect the F140 telematics transceiver assembly connector.

    3. Disconnect the G5 front No. 2 speaker assembly LH connector.

    4. Disconnect the K4 and J4 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F69-1 (FR+) or F140-2 (SPI+) - Body ground Always 10 kΩ or higher
      F69-5 (FR-) or F140-3 (SPI-) - Body ground Always 10 kΩ or higher
      F69-2 (FL+) or G5-4 (+) - Body ground Always 10 kΩ or higher
      F69-6 (FL-) or G5-2 (-) - Body ground Always 10 kΩ or higher
      F70-1 (RR+) or J4-1 - Body ground Always 10 kΩ or higher
      F70-3 (RR-) or J4-2 - Body ground Always 10 kΩ or higher
      F70-2 (RL+) or K4-1 - Body ground Always 10 kΩ or higher
      F70-6 (RL-) or K4-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - BODY GROUND)


    1. Disconnect the F140 telematics transceiver connector.

    2. Disconnect the G1 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
      F140-5 (SPO+) or G1-4 (+) - Body ground Always 10 kΩ or higher
      F140-6 (SPO-) or G1-2 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND)


    1. Disconnect the H3 and I3 front No. 1 speaker assembly connectors.

    2. Disconnect the G1 and G5 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
      G1-3 (+) or H3-1 - Body ground Always 10 kΩ or higher
      G1-1 (-) or H3-2 - Body ground Always 10 kΩ or higher
      G5-3 (+) or I3-1 - Body ground Always 10 kΩ or higher
      G5-1 (-) or I3-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. 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

  7. 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.

      Click here


      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

  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. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. A0027VKC05
      *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

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

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


    1. Disconnect the F69 and F70 radio and display receiver assembly connectors.

    2. Disconnect the G1 and G5 front No. 2 speaker assembly connectors.

    3. Disconnect the K4 and J4 rear speaker assembly connectors.

    4. Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      F69-1 (FR+) or G1-4 (+) - Body ground Always 10 kΩ or higher
      F69-5 (FR-) or G1-2 (-) - Body ground Always 10 kΩ or higher
      F69-2 (FL+) or G5-4 (+) - Body ground Always 10 kΩ or higher
      F69-6 (FL-) or G5-2 (-) - Body ground Always 10 kΩ or higher
      F70-1 (RR+) or J4-1 - Body ground Always 10 kΩ or higher
      F70-3 (RR-) or J4-2 - Body ground Always 10 kΩ or higher
      F70-2 (RL+) or K4-1 - Body ground Always 10 kΩ or higher
      F70-6 (RL-) or K4-2 - 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. 2 SPEAKER ASSEMBLY - BODY GROUND)


    1. Disconnect the H3 and I3 front No. 1 speaker assembly connectors.

    2. Disconnect the G1 and G5 front No. 2 speaker assembly connectors.

    3. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G1-3 (+) or H3-1 - Body ground Always 10 kΩ or higher
      G1-1 (-) or H3-2 - Body ground Always 10 kΩ or higher
      G5-3 (+) or I3-1 - Body ground Always 10 kΩ or higher
      G5-1 (-) or I3-2 - 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. 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.

      Click here


      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

  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

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

  15. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BODY GROUND)


    1. Disconnect the F75 stereo component amplifier assembly connector.

    2. Disconnect the F140 telematics transceiver connector.

    3. Disconnect the H3 and I3 front No. 1 speaker assembly connector.

    4. Disconnect the G3 front No. 3 speaker assembly connector.

    5. Disconnect the J4 and K4 rear speaker assembly connectors.

    6. Disconnect the X23 and X5 rear No. 3 speaker assembly connectors.

    7. Disconnect the G2 and G6 front No. 2 speaker assembly connectors.

    8. Disconnect the X26 rear No. 2 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F75-15 (FR+) or H3-1 - Body ground Always 10 kΩ or higher
      F75-30 (FR-) or H3-2 - Body ground Always 10 kΩ or higher
      F75-11 (FL+) or I3-1 - Body ground Always 10 kΩ or higher
      F75-26 (FL-) or I3-2 - Body ground Always 10 kΩ or higher
      F75-10 (CTR+) or G3-2 - Body ground Always 10 kΩ or higher
      F75-25 (CTR-) or G3-1 - Body ground Always 10 kΩ or higher
      F75-12 (RR+) or J4-1 - Body ground Always 10 kΩ or higher
      F75-27 (RR-) or J4-2 - Body ground Always 10 kΩ or higher
      F75-4 (RL+) or K4-1 - Body ground Always 10 kΩ or higher
      F75-19 (RL-) or K4-2 - Body ground Always 10 kΩ or higher
      F75-9 (SR+) or X23-2 - Body ground Always 10 kΩ or higher
      F75-24 (SR-) or X23-1 - Body ground Always 10 kΩ or higher
      F75-5 (SL+) or X5-2 - Body ground Always 10 kΩ or higher
      F75-20 (SL-) or X5-1 - Body ground Always 10 kΩ or higher
      F75-14 (TWR+) or F140-2 (SPI+) - Body ground Always 10 kΩ or higher
      F75-29 (TWR-) or F140-3 (SPI-) - Body ground Always 10 kΩ or higher
      F75-13 (TWL+) or G6-4 (TWL+) - Body ground Always 10 kΩ or higher
      F75-28 (TWL-) or G6-3 (TWL-) - Body ground Always 10 kΩ or higher
      F75-8 (WF1+) or X26-4 (WF1+) - Body ground Always 10 kΩ or higher
      F75-23 (WF1-) or X26-3 (WF1-) - Body ground Always 10 kΩ or higher
      F75-7 (WF2+) or X26-2 (WF2+) - Body ground Always 10 kΩ or higher
      F75-22 (WF2-) or X26-1 (WF2-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  16. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - BODY GROUND)


    1. Disconnect the F140 telematics transceiver connector.

    2. Disconnect the G2 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
      F140-5 (SPO+) or G2-4 (TWR+) - Body ground Always 10 kΩ or higher
      F140-6 (SPO-) or G2-3 (TWR-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  17. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. A0027VKC05
      *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

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

    OK

  18. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

      Click here

      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

  19. 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

  20. 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

  21. 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

  22. 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.

      Click here


      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

  23. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. Remove the rear No. 2 speaker assembly.

      Click here

    2. Inspect the rear NO.2 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here