AUDIO AND VISUAL SYSTEM(for 8 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

  • Stereo component amplifier assembly

WIRING DIAGRAM

Figure 1. for 9 Speakers

A01RFD7E05

Figure 2. for 9 Speakers

A01RBAZE04

Figure 3. for 12 Speakers

B005P0LE11

Figure 4. for 12 Speakers

A01RA40E04

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


    1. Disconnect the J66 stereo component amplifier assembly connector.

    2. Disconnect the K2 front No. 3 speaker assembly connector.

    3. Disconnect the K6 and K8 front No. 2 speaker assembly connectors (for 9 Speakers).

    4. Disconnect the K5 and K7 front No. 2 speaker assembly connectors (for 12 Speakers).

    5. Disconnect the M3 and N3 front No. 1 speaker assembly connectors.

    6. Disconnect the O5 and P5 rear No. 2 speaker assembly connectors.

    7. Disconnect the S53 rear No. 3 speaker assembly connector (for 12 Speakers).

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J66-7 (CTR+) or K2-2 - Body ground Always 10 kΩ or higher
      J66-22 (CTR-) or K2-1 - Body ground Always 10 kΩ or higher
      J66-13 (FR+) or K6-4 - Body ground*1 Always 10 kΩ or higher
      J66-13 (FR+) or K5-2 - Body ground*2 Always 10 kΩ or higher
      J66-28 (FR-) or K6-2 - Body ground*1 Always 10 kΩ or higher
      J66-28 (FR-) or K5-1 - Body ground*2 Always 10 kΩ or higher
      J66-12 (FL+) or K8-4 - Body ground*1 Always 10 kΩ or higher
      J66-12 (FL+) or K7-2 - Body ground*2 Always 10 kΩ or higher
      J66-27 (FL-) or K8-2 - Body ground*1 Always 10 kΩ or higher
      J66-27 (FL-) or K7-1 - Body ground*2 Always 10 kΩ or higher
      J66-5 (WFR+) or M3-1 - Body ground Always 10 kΩ or higher
      J66-20 (WFR-) or M3-2 - Body ground Always 10 kΩ or higher
      J66-4 (WFL+) or N3-1 - Body ground Always 10 kΩ or higher
      J66-19 (WFL-) or N3-2 - Body ground Always 10 kΩ or higher
      J66-15 (RR+) or O5-4 (+TW) - Body ground Always 10 kΩ or higher
      J66-30 (RR-) or O5-2 (-TW) - Body ground Always 10 kΩ or higher
      J66-14 (RL+) or P5-4 (+TW) - Body ground Always 10 kΩ or higher
      J66-29 (RL-) or P5-2 (-TW) - Body ground Always 10 kΩ or higher
      J66-6 (WF1+) or S53-1 - Body ground*2 Always 10 kΩ or higher
      J66-21 (WF1-) or S53-2 - Body ground*2 Always 10 kΩ or higher

      • *1: for 9 Speakers

      • *2: for 12 Speakers

      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (REAR SPEAKER ASSEMBLY OR REAR NO. 2 SPEAKER ASSEMBLY - BODY GROUND)


    1. Disconnect the O2 and P2 rear speaker assembly connectors.

    2. Disconnect the O5 and P5 rear No. 2 speaker assembly connectors.

    3. Measure the resistance between the rear speaker assembly or the rear No. 2 speaker assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      O2-1 or O5-3 (+) - Body ground Always 10 kΩ or higher
      O2-2 or O5-1 (-) - Body ground Always 10 kΩ or higher
      P2-1 or P5-3 (+) - Body ground Always 10 kΩ or higher
      P2-2 or P5-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. 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

  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

    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

  5. 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

  6. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. Inspect the rear speaker assembly.

      Click here

      Result
      Result Proceed to
      OK (for 9 Speakers) A
      OK (for 12 Speakers) B
      NG C

    B

    INSPECT REAR NO. 2 SPEAKER ASSEMBLY Click here

    C

    REPLACE REAR SPEAKER ASSEMBLY Click here

    A

  7. 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

    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

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

  8. 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

    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

  9. 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

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here