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. Detection Item DTC Detection Condition Trouble Area
B150A Lost Communication with HMI-LAN 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 cannot 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

B003Q9DE13
B003Q9DE14

CAUTION / NOTICE / HINT

Note

When replacing the combination meter assembly, make sure to replace it with a new one.

PROCEDURE


  1. CHECK VEHICLE


    1. Check vehicle.

      Result
      Result Proceed to
      w/ Navigation System A
      w/ Audio and Visual System (for Radio and Display Type) B

    B

    CHECK FOR DTC (AUDIO AND VISUAL SYSTEM) Click here

    A

  2. CHECK FOR DTC (NAVIGATION SYSTEM)


    1. Check for DTCs.

      Click here


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

    NG

    GO TO NAVIGATION SYSTEM Click here

    OK

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


    1. Disconnect the G8 combination meter assembly connector.

    2. Disconnect the G42 navigation receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G8-38 (LCL+) - G42-3 (CNH1) Always Below 1 Ω
      G8-37 (LCL-) - G42-4 (CNL1) Always Below 1 Ω
      G8-38 (LCL+) or G42-3 (CNH1) - Body ground Always 10 kΩ or higher
      G8-37 (LCL-) or G42-4 (CNL1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly with a new 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 multi-media module receiver assembly.

    3. B003OKIC03
      *a Multi-information Display
      *b Audio Tab

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

    4. Check for DTCs.

      Click here


      Body Electrical > Combination Meter > Trouble Codes
      OK
      The audio tab illuminates and DTC B150A is not output.
      Result
      Proceed to
      OK
      NG

    OK

    END (COMBINATION METER ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

  5. CHECK FOR DTC (AUDIO AND VISUAL SYSTEM)


    1. Check for DTCs.

      Click here


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

    NG

    GO TO AUDIO AND VISUAL SYSTEM Click here

    OK

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


    1. Disconnect the G8 combination meter assembly connector.

    2. Disconnect the G101 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
      G8-38 (LCL+) - G101-3 (CNH1) Always Below 1 Ω
      G8-37 (LCL-) - G101-4 (CNL1) Always Below 1 Ω
      G8-38 (LCL+) or G101-3 (CNH1) - Body ground Always 10 kΩ or higher
      G8-37 (LCL-) or G101-4 (CNL1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly with a new 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 multi-media module receiver assembly.

    3. B003OKIC03
      *a Multi-information Display
      *b Audio Tab

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

    4. Check for DTCs.

      Click here


      Body Electrical > Combination Meter > Trouble Codes
      OK
      The audio tab illuminates and DTC B150A is not output.
      Result
      Proceed to
      OK
      NG

    OK

    END (COMBINATION METER ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here