NAVIGATION SYSTEM, 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. DTC Detection Condition Trouble Area
B15C3 A short is detected in the speaker output circuit.

  • Wire harness or connector

  • Speaker

  • Telematics transceiver*1

  • Stereo component amplifier assembly

WIRING DIAGRAM

A019N0BE04
A019N9AE02

INSPECTION PROCEDURE

Note

When replacing the multi-media module receiver assembly or telematics transceiver, perform vehicle contract setting (w/ Telematics Transceiver) Click here.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR


    1. Disconnect the O42 stereo component amplifier assembly connector.

    2. Disconnect the G25 telematics transceiver connector (w/ Telematics Transceiver).

    3. Disconnect the I6 and J6 front No. 3 speaker assembly connectors.

    4. Disconnect the I5 and J4 front No. 2 speaker assembly connectors.

    5. Disconnect the I3 and J2 front No. 1 speaker assembly connectors.

    6. Disconnect the K4 and L4 rear No. 1 speaker assembly connectors.

    7. Disconnect the K1 and L1 rear No. 2 speaker assembly connectors.

    8. Disconnect the O24 and P30 quarter side speaker assembly connectors (for 15 Speakers).

    9. Disconnect the H2 front No. 4 speaker assembly connector.

    10. Disconnect the P22 rear No. 3 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O42-13 (FR+) - Body ground Always 10 kΩ or higher
      O42-28 (FR-) - Body ground Always 10 kΩ or higher
      O42-12 (FL+) - Body ground Always 10 kΩ or higher
      O42-27 (FL-) - Body ground Always 10 kΩ or higher
      O42-5 (WFR+) - Body ground Always 10 kΩ or higher
      O42-20 (WFR-) - Body ground Always 10 kΩ or higher
      O42-4 (WFL+) - Body ground Always 10 kΩ or higher
      O42-19 (WFL-) - Body ground Always 10 kΩ or higher
      O42-15 (RR+) - Body ground Always 10 kΩ or higher
      O42-30 (RR-) - Body ground Always 10 kΩ or higher
      O42-14 (RL+) - Body ground Always 10 kΩ or higher
      O42-29 (RL-) - Body ground Always 10 kΩ or higher
      O42-11 (SR+) - Body ground*1 Always 10 kΩ or higher
      O42-26 (SR-) - Body ground*1 Always 10 kΩ or higher
      O42-10 (SL+) - Body ground*1 Always 10 kΩ or higher
      O42-25 (SL-) - Body ground*1 Always 10 kΩ or higher
      O42-7 (CTR+) - Body ground Always 10 kΩ or higher
      O42-22 (CTR-) - Body ground Always 10 kΩ or higher
      O42-6 (WF1+) - Body ground*2 Always 10 kΩ or higher
      O42-21 (WF1-) - Body ground*2 Always 10 kΩ or higher
      O42-8 (WF+) - Body ground*1 Always 10 kΩ or higher
      O42-9 (WF+) - Body ground*1 Always 10 kΩ or higher

      • *1: for 15 Speakers

      • *2: for 12 Speakers

    12. Measure the resistance between the telematics transceiver and body ground to check for a short circuit in the wire harness (w/ Telematics Transceiver).

      Standard Resistance
      Tester Connection Condition Specified Condition
      G25-5 (SPO+) - Body ground Always 10 kΩ or higher
      G25-6 (SPO-) - Body ground Always 10 kΩ or higher

    13. 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
      I5-3 (+) - Body ground Always 10 kΩ or higher
      I5-4 (-) - Body ground Always 10 kΩ or higher
      J4-3 (+) - Body ground Always 10 kΩ or higher
      J4-4 (-) - Body ground Always 10 kΩ or higher

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K1-3 (+) - Body ground Always 10 kΩ or higher
      K1-4 (-) - Body ground Always 10 kΩ or higher
      L1-3 (+) - Body ground Always 10 kΩ or higher
      L1-4 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A019NQUE77
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Component without harness connected

      (Front No. 1 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        for 12 Speakers
        Tester Connection Condition Specified Condition
        I3-1 - I3-2 Always 3.2 to 4.8 Ω
        J2-1 - J2-2 Always 3.2 to 4.8 Ω
        for 15 Speakers
        Tester Connection Condition Specified Condition
        I3-1 - I3-2 Always 5.0 to 7.0 Ω
        J2-1 - J2-2 Always 5.0 to 7.0 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  3. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Resistance check


      1. A019KC9E26
        Text in Illustration
        *A for RH
        *B for LH
        *a

        Component without harness connected

        (Front No. 2 Speaker Assembly)

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I5-1 (TWR+) - I5-2 (TWR-) Always 10 kΩ or higher
        I5-1 (TWR+) - I5-3 (+) Always Below 1 Ω
        I5-2 (TWR-) - I5-4 (-) Always Below 1 Ω
        J4-1 (TWL+) - J4-2 (TWL-) Always 10 kΩ or higher
        J4-1 (TWL+) - J4-3 (+) Always Below 1 Ω
        J4-2 (TWL-) - J4-4 (-) Always Below 1 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  4. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY


    1. Check that the malfunction disappears when a known good speaker is installed Click here.

      OK
      Malfunction disappears.

      Tech Tips


      • Connect all the connectors to the front No. 2 speaker assemblies that were disconnected.

      • When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.

      • Perform the above inspection on both LH and RH sides.


    NG

    INSPECT FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

    END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)

  5. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. A019OXPE23
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Component without harness connected

      (Front No. 3 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        for 12 Speakers
        Tester Connection Condition Specified Condition
        I6-1 - I6-2 Always 3.2 to 4.8 Ω
        J6-1 - J6-2 Always 3.2 to 4.8 Ω
        for 15 Speakers
        Tester Connection Condition Specified Condition
        I6-1 - I6-2 Always 4.8 to 6.4 Ω
        J6-1 - J6-2 Always 4.8 to 6.4 Ω

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  6. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY


    1. A019OXPE24
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 4 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        for 12 Speakers
        Tester Connection Condition Specified Condition
        H2-1 (-) - H2-2 (+) Always 4.8 to 7.2 Ω
        for 15 Speakers
        Tester Connection Condition Specified Condition
        H2-1 (-) - H2-2 (+) Always 4.6 to 7.0 Ω

    NG

    REPLACE FRONT NO. 4 SPEAKER ASSEMBLY Click here

    OK

  7. INSPECT REAR NO. 1 SPEAKER ASSEMBLY


    1. A019NQUE78
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Component without harness connected

      (Rear No. 1 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        for 12 Speakers
        Tester Connection Condition Specified Condition
        K4-1 - K4-2 Always 3.2 to 4.8 Ω
        L4-1 - L4-2 Always 3.2 to 4.8 Ω
        for 15 Speakers
        Tester Connection Condition Specified Condition
        K4-1 - K4-2 Always 4.8 to 7.2 Ω
        L4-1 - L4-2 Always 4.8 to 7.2 Ω

    NG

    REPLACE REAR NO. 1 SPEAKER ASSEMBLY Click here

    OK

  8. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. A019KC9E27
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Component without harness connected

      (Rear No. 2 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        K1-1 (+TW) - K1-2 (-TW) Always 10 kΩ or higher
        K1-1 (+TW) - K1-3 (+) Always Below 1 Ω
        K1-2 (-TW) - K1-4 (-) Always Below 1 Ω
        L1-1 (+TW) - L1-2 (-TW) Always 10 kΩ or higher
        L1-1 (+TW) - L1-3 (+) Always Below 1 Ω
        L1-2 (-TW) - L1-4 (-) Always Below 1 Ω

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  9. REPLACE REAR NO. 2 SPEAKER ASSEMBLY


    1. Check that the malfunction disappears when a known good speaker is installed Click here.

      OK
      Malfunction disappears.

      Tech Tips


      • Connect all the connectors to the rear No. 2 speaker assemblies that were disconnected.

      • When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.

      • Perform the above inspection on both LH and RH sides.


    NG

    INSPECT REAR NO. 3 SPEAKER ASSEMBLY Click here

    OK

    END (REAR NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)

  10. INSPECT REAR NO. 3 SPEAKER ASSEMBLY


    1. A019KC9E29
      Text in Illustration
      *A for 12 Speakers
      *B for 15 Speakers
      *a

      Component without harness connected

      (Rear No. 3 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        for 12 Speakers
        Tester Connection Condition Specified Condition
        P22-3 (+) - P22-4 (-) Always 1.6 to 2.4 Ω
        for 15 Speakers
        Tester Connection Condition Specified Condition
        P22-2 (WF2+) - P22-1 (WF1+) Always 11.6 to 12.4 Ω

    2. Proceed to the next step based on the inspection result.

      Result
      Condition Proceed to
      OK (for 15 Speakers, w/ Telematics Transceiver) A
      OK (for 12 Speakers, w/ Telematics Transceiver) B
      OK (w/o Telematics Transceiver) C
      NG D

    B

    INSPECT TELEMATICS TRANSCEIVER Click here

    C

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    D

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

    A

  11. INSPECT QUARTER SIDE SPEAKER ASSEMBLY


    1. A019OHEE23
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Component without harness connected

      (Quarter Side Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        O24-1 - O24-2 Always 4.6 to 7.0 Ω
        P30-1 - P30-2 Always 4.6 to 7.0 Ω

    2. Proceed to the next step based on the inspection result.

      Result
      Condition Proceed to
      OK (w/ Telematics Transceiver) A
      OK (w/o Telematics Transceiver) B
      NG C

    B

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here

    C

    REPLACE QUARTER SIDE SPEAKER ASSEMBLY Click here

    A

  12. INSPECT TELEMATICS TRANSCEIVER


    1. A019LODE26
      Text in Illustration
      *a

      Component without harness connected

      (Telematics Transceiver)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        G25-2 (SPI+) - G25-5 (SPO+) Always Below 1 Ω
        G25-3 (SPI-) - G25-6 (SPO-) Always Below 1 Ω
        G25-2 (SPI+) - G25-3 (SPI-) Always 10 kΩ or higher
        G25-5 (SPO+) - G25-6 (SPO-) Always 10 kΩ or higher
        G25-2 (SPI+) - Body ground Always 10 kΩ or higher
        G25-3 (SPI-) - Body ground Always 10 kΩ or higher

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here