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METER / GAUGE SYSTEM, Diagnostic DTC:B150A

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DTC Code DTC Name
B150A Lost Communication with HMI-LAN
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DESCRIPTION

The combination meter assembly receives a text data signal from the radio receiver assembly via local bus communication.

Based on this signal, audio and visual system or navigation system information is displayed on the multi-information display.

This DTC is stored when the combination meter assembly cannot receive the signal.

DTC No. DTC Detection Condition Trouble Area
B150A After the combination meter assembly receives a registration information signal, which is sent by the radio receiver assembly when the power switch is on (ACC), 1 or more times, the combination meter assembly does not receive the signal for 30 seconds or more.

  • Harness or connector

  • Radio receiver assembly

  • Combination meter assembly
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WIRING DIAGRAM


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  1. B0011G9E96
    Table 1.
    *1 Radio Receiver Assembly
    *2 Combination Meter Assembly
    *3 Local Bus Communication Line

    w/ Navigation System

  2. B0011G9E97
    Table 2.
    *a Radio Receiver Assembly
    *b Combination Meter Assembly
    *c Local Bus Communication Line

    w/o Navigation System

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PROCEDURE


  1. Click here

    CONFIRM VEHICLE TYPE


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      w/ Navigation System A
      w/o Navigation System B

  2. Click here

    CHECK FOR DTC


    1. Check if navigation system DTCs are output (Click here).

      Result
      Result Proceed to
      Navigation system DTCs are not output. A
      Navigation system DTCs are output. B

  3. Click here

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO RECEIVER ASSEMBLY)


    1. Disconnect the H13 combination meter assembly connector.

    2. Disconnect the H97 radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H13-10 (TX+) - H97-20 (CNH2) Always Below 1 Ω
      H13-9 (TX-) - H97-21 (CNL2) Always Below 1 Ω
      H13-10 (TX+) - Body ground Always 10 kΩ or higher
      H13-9 (TX-) - Body ground Always 10 kΩ or higher

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. Click here

    REPLACE COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly with a new one (Click here).

    2. Turn the power switch on (IG) and wait 30 seconds.

      Note:

      A maximum of 30 seconds is required to send/receive the registration information between the combination meter assembly and radio receiver assembly.

    3. Operate the steering pad switch assembly and check that the audio tab illuminates.

    4. Check for DTCs (Click here).

      Result
      Result Proceed to
      The audio tab illuminates and DTC B150A is not output. A
      The audio tab does not illuminate and DTC B150A is output. B

    • A

      END

    • B

      REPLACE RADIO RECEIVER ASSEMBLY (Click here)

  5. Click here

    CHECK FOR DTC


    1. Check if audio and visual system DTCs are output (Click here).

      Result
      Result Proceed to
      Audio and visual system DTCs are not output. A
      Audio and visual system DTCs are output. B

  6. Click here

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO RECEIVER ASSEMBLY)


    1. Disconnect the H13 combination meter assembly connector.

    2. Disconnect the H177 radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H13-10 (TX+) - H177-3 (CNH1) Always Below 1 Ω
      H13-9 (TX-) - H177-4 (CNL1) Always Below 1 Ω
      H13-10 (TX+) - Body ground Always 10 kΩ or higher
      H13-9 (TX-) - Body ground Always 10 kΩ or higher

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  7. Click here

    REPLACE COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly with a new one (Click here).

    2. Turn the power switch on (IG) and wait 30 seconds.

      Note:

      A maximum of 30 seconds is required to send/receive the registration information between the combination meter assembly and radio receiver assembly.

    3. Operate the steering pad switch assembly and check that the audio tab illuminates.

    4. Check for DTCs (Click here).

      Result
      Result Proceed to
      The audio tab illuminates and DTC B150A is not output. A
      The audio tab does not illuminate and DTC B150A is output. B

    • A

      END

    • B

      REPLACE RADIO RECEIVER ASSEMBLY (Click here)