METER / GAUGE SYSTEM, Diagnostic DTC:B150A

DTC Code DTC Name
B150A Lost Communication with HMI-LAN

DESCRIPTION

The combination meter assembly receives a text data signal from the navigation receiver assembly*1 or radio and display receiver assembly*2 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 navigation receiver assembly*1 or radio and display receiver assembly*2 when the ignition switch is ACC, 1 or more times, the combination meter assembly does not receive the signal for 30 seconds or more.

  • Harness or connector

  • Navigation receiver assembly*1

  • Radio and display receiver assembly*2

  • Combination meter assembly

WIRING DIAGRAM


  1. for Navigation Receiver Type

    B000LAPE09

  2. for Radio and Display Type

    B000LAPE25

INSPECTION PROCEDURE

PROCEDURE


  1. CONFIRM VEHICLE TYPE


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for Navigation Receiver Type A
      for Radio and Display Type B

    B

    CHECK FOR DTC Click here

    A

  2. 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

    B

    GO TO NAVIGATION SYSTEM Click here

    A

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY)


    1. Disconnect the I18 combination meter assembly connector.

    2. Disconnect the I184 navigation receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I18-19 (MSCL) - I184-4 (CNL1) Always Below 1 Ω
      I18-18 (MSCH) - I184-3 (CNH1) Always Below 1 Ω
      I18-19 (MSCL) - Body ground Always 10 kΩ or higher
      I18-18 (MSCH) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. REPLACE COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly with a new or known good one Click here.

    2. Turn the ignition switch to ON and wait 30 seconds.

      Note

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

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

    4. Check for DTCs Click here.

      Result
      Result Proceed to
      The navigation tab illuminates and DTC B150A is not output. A
      The navigation tab does not illuminate and DTC B150A is output (except TMMK Made). B
      The navigation tab does not illuminate and DTC B150A is output (for TMMK Made). C

    B

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    C

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    A

    END

  5. CHECK FOR DTC


    1. Check if navigation system*1 or audio and visual system*2 DTCs are output Click here with Navigation System, Click here without Navigation System).

      Result
      Result Proceed to
      DTCs are not output. A
      Navigation system DTCs are output*1. B
      Audio and visual system DTCs are output*2. C

      • *1: w/ Navigation System

      • *2: w/o Navigation System


    B

    GO TO NAVIGATION SYSTEM Click here

    C

    GO TO AUDIO AND VISUAL SYSTEM Click here

    A

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


    1. Disconnect the I18 combination meter assembly connector.

    2. Disconnect the I185 radio and display receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I18-19 (MSCL) - I185-4 (CNL1) Always Below 1 Ω
      I18-18 (MSCH) - I185-3 (CNH1) Always Below 1 Ω
      I18-19 (MSCL) - Body ground Always 10 kΩ or higher
      I18-18 (MSCH) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. REPLACE COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly with a new or known good one Click here.

    2. Turn the ignition switch to ON 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 and display receiver assembly.

    3. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B150A is not output. A
      DTC B150A is output (except TMMK Made). B
      DTC B150A is output (for TMMK Made). C

    B

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    C

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    A

    END