NAVIGATION SYSTEM(for Navigation Receiver 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

  • Stereo component amplifier assembly

WIRING DIAGRAM

B004QCOE01

PROCEDURE


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


    1. Disconnect the F60 stereo component amplifier assembly connector.

    2. Disconnect the G4 and G5 front No. 2 speaker assembly connectors.

    3. Disconnect the I1 and J1 front No. 1 speaker assembly connectors.

    4. Disconnect the K4 and L5 rear speaker assembly connectors.

    5. Measure the resistance between the stereo component amplifier assembly or the speakers and body ground to check for a short in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      F60-13 (TWR+) or G4-4 - Body ground Always 10 kΩ or higher
      F60-28 (TWR-) or G4-3 - Body ground Always 10 kΩ or higher
      F60-10 (TWL+) or G5-4 - Body ground Always 10 kΩ or higher
      F60-25 (TWL-) or G5-3 - Body ground Always 10 kΩ or higher
      F60-15 (FR+) or I1-1 - Body ground Always 10 kΩ or higher
      F60-30 (FR-) or I1-2 - Body ground Always 10 kΩ or higher
      F60-8 (FL+) or J1-1 - Body ground Always 10 kΩ or higher
      F60-23 (FL-) or J1-2 - Body ground Always 10 kΩ or higher
      F60-11 (RR+) or K4-1 - Body ground Always 10 kΩ or higher
      F60-26 (RR-) or K4-2 - Body ground Always 10 kΩ or higher
      F60-12 (RL+) or L5-1 - Body ground Always 10 kΩ or higher
      F60-27 (RL-) or L5-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

      Tech Tips

      Click here

    2. Inspect the front No. 2 speaker assembly.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  3. CLEAR DTC


    1. Clear the DTCs.


      Body Electrical > Navigation System > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK FOR DTC


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


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    A

    END

    B

  5. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

      Tech Tips

      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

  6. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Tech Tips

      Click here

    2. Inspect the rear speaker assembly.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. CLEAR DTC


    1. Clear the DTCs.


      Body Electrical > Navigation System > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  8. CHECK FOR DTC


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


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    A

    END

    B

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here