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.

  • Speakers

  • Harness or connector

  • Radio and display receiver assembly

  • Telematics transceiver*

WIRING DIAGRAM

A01V7N6E01

CAUTION / NOTICE / HINT

Note


  • Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

    Click here

  • When replacing telematics transceiver, perform the vehicle contract setting.

    Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK VEHICLE CONDITION


    1. Check the vehicle condition.

      Result
      Result Proceed to
      w/ Telematics Transceiver A
      w/o Telematics Transceiver B

    B

    CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT) Click here

    A

  3. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)


    • *1: for LH Side

    • *2: for RH Side


    1. Disconnect the G141 and G142 radio and display receiver assembly connectors.

    2. Disconnect the J1*1 and/or I1*2 front No. 1 speaker assembly connector.

    3. Disconnect the H1*1 and/or H3*2 front No. 2 speaker assembly connector.

    4. Disconnect the L2*1 and/or K2*2 rear speaker assembly connector.

    5. Disconnect the M38 telematics transceiver connector.

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

      Standard Resistance
      for LH Side
      Tester Connection Condition Specified Condition
      G141-2 (FL+) - H1-4 (TWL+) Always Below 1 Ω
      G141-6 (FL-) - H1-2 (TWL-) Always Below 1 Ω
      H1-3 (+) - J1-1 Always Below 1 Ω
      H1-1 (-) - J1-2 Always Below 1 Ω
      G142-2 (RL+) - L2-1 Always Below 1 Ω
      G142-6 (RL-) - L2-2 Always Below 1 Ω
      G141-2 (FL+) - Body ground Always 10 kΩ or higher
      G141-6 (FL-) - Body ground Always 10 kΩ or higher
      G142-2 (RL+) - Body ground Always 10 kΩ or higher
      G142-6 (RL-) - Body ground Always 10 kΩ or higher
      H1-3 (+) - Body ground Always 10 kΩ or higher
      H1-1 (-) - Body ground Always 10 kΩ or higher
      for RH Side
      Tester Connection Condition Specified Condition
      G141-1 (FR+) - H3-4 (TWR+) Always Below 1 Ω
      G141-5 (FR-) - H3-2 (TWR-) Always Below 1 Ω
      H3-3 (+) - M38-2 (SPI+) Always Below 1 Ω
      H3-1 (-) - M38-3 (SPI-) Always Below 1 Ω
      M38-5 (SPO+) - I1-1 Always Below 1 Ω
      M38-6 (SPO-) - I1-2 Always Below 1 Ω
      G142-1 (RR+) - K2-1 Always Below 1 Ω
      G142-3 (RR-) - K2-2 Always Below 1 Ω
      G141-1 (FR+) - Body ground Always 10 kΩ or higher
      G141-5 (FR-) - Body ground Always 10 kΩ or higher
      M38-5 (SPO+) - Body ground Always 10 kΩ or higher
      M38-6 (SPO-) - Body ground Always 10 kΩ or higher
      G142-1 (RR+) - Body ground Always 10 kΩ or higher
      G142-3 (RR-) - Body ground Always 10 kΩ or higher
      H3-3 (+) - Body ground Always 10 kΩ or higher
      H3-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. A01V6Q5C05
      *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 6 Click here

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

  5. CHECK HARNESS AND CONNECTOR (SPEAKER CIRCUIT)


    • *1: for LH Side

    • *2: for RH Side


    1. Disconnect the G141 and G142 radio and display receiver assembly connectors.

    2. Disconnect the J1*1 and/or I1*2 front No. 1 speaker assembly connector.

    3. Disconnect the H1*1 and/or H3*2 front No. 2 speaker assembly connector.

    4. Disconnect the L2*1 and/or K2*2 rear speaker assembly connector.

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

      Standard Resistance
      for LH Side
      Tester Connection Condition Specified Condition
      G141-2 (FL+) - H1-4 (TWL+) Always Below 1 Ω
      G141-6 (FL-) - H1-2 (TWL-) Always Below 1 Ω
      H1-3 (+) - J1-1 Always Below 1 Ω
      H1-1 (-) - J1-2 Always Below 1 Ω
      G142-2 (RL+) - L2-1 Always Below 1 Ω
      G142-6 (RL-) - L2-2 Always Below 1 Ω
      G141-2 (FL+) - Body ground Always 10 kΩ or higher
      G141-6 (FL-) - Body ground Always 10 kΩ or higher
      G142-2 (RL+) - Body ground Always 10 kΩ or higher
      G142-6 (RL-) - Body ground Always 10 kΩ or higher
      H1-3 (+) - Body ground Always 10 kΩ or higher
      H1-1 (-) - Body ground Always 10 kΩ or higher
      for RH Side
      Tester Connection Condition Specified Condition
      G141-1 (FR+) - H3-4 (TWR+) Always Below 1 Ω
      G141-5 (FR-) - H3-2 (TWR-) Always Below 1 Ω
      H3-3 (+) - I1-1 Always Below 1 Ω
      H3-1 (-) - I1-2 Always Below 1 Ω
      G142-1 (RR+) - K2-1 Always Below 1 Ω
      G142-3 (RR-) - K2-2 Always Below 1 Ω
      G141-1 (FR+) - Body ground Always 10 kΩ or higher
      G141-5 (FR-) - Body ground Always 10 kΩ or higher
      G142-1 (RR+) - Body ground Always 10 kΩ or higher
      G142-3 (RR-) - Body ground Always 10 kΩ or higher
      H3-3 (+) - Body ground Always 10 kΩ or higher
      H3-1 (-) - 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 connector.

      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. CHECK FRONT NO. 2 SPEAKER ASSEMBLY


    1. Replace the front No. 2 speaker assembly with a known good one.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Check for DTCs and check if the same DTCs is output.

      Click here


      Body Electrical > Navigation System > Trouble Codes

      Note


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

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

      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)

    NG

  8. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly connector.

      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