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 (for Navigation Receiver Type) or radio and display receiver assembly (for Radio and Display Type) 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 Code DTC Detection Condition Trouble Area
B150A

Both conditions are met:

After the combination meter assembly receives a registration information signal, which is sent by the navigation receiver assembly (for Navigation Receiver Type) or radio and display receiver assembly (for Radio and Display Type) when the engine switch is on (ACC), 1 or more times, the combination meter assembly cannot receive the signal for 30 seconds or more.

  • Harness or connector

  • Navigation receiver assembly (for Navigation Receiver Type)

  • radio and display receiver assembly (for Radio and Display Type)

  • Combination meter assembly

WIRING DIAGRAM

B001CZSE10
B001CZSE12

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK FOR DTC (NAVIGATION SYSTEM)


    1. Check for DTCs.

      for Navigation Receiver Type: Click here

      for Radio and Display Type: Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Result Proceed to
      OK A
      NG (for Navigation Receiver Type) B
      NG (for Radio and Display Type) C

    B

    GO TO NAVIGATION SYSTEM Click here

    C

    GO TO NAVIGATION SYSTEM Click here

    A

  2. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY OR RADIO AND DISPLAY RECEIVER ASSEMBLY)


    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the F4 navigation receiver assembly connector.(for Navigation Receiver Type)

    3. Disconnect the F40 radio and display receiver assembly connector.(for Radio and Display Type)

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

      Standard Resistance
      for Navigation Receiver Type
      Tester Connection Condition Specified Condition
      G16-38(MSCH) - F4-3(CNH1) Always Below 1 Ω
      G16-37(MSCL) - F4-4(CNL1) Always Below 1 Ω
      G16-38(MSCH) or F4-3(CNH1) - Body ground Always 10 kΩ or higher
      G16-37(MSCL) or F4-4(CNL1) - Body ground Always 10 kΩ or higher
      Standard Resistance
      for Radio and Display Type
      Tester Connection Condition Specified Condition
      G16-38(MSCH) - F40-3(CNH1) Always Below 1 Ω
      G16-37(MSCL) - F40-4(CNL1) Always Below 1 Ω
      G16-38(MSCH) or F40-3(CNH1) - Body ground Always 10 kΩ or higher
      G16-37(MSCL) or F40-4(CNL1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly.

      Click here

    2. Turn the engine 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 navigation receiver assembly.(for Navigation Receiver Type)

      • A maximum of 30 seconds is required to send/receive the registration information between the combination meter assembly and radio and display receiver.(for Radio and Display Type)

    3. B001FAYC02
      *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
      Result Proceed to
      OK A
      NG (for Navigation Receiver Type) B
      NG (for Radio and Display Type) C

    A

    END (COMBINATION METER ASSEMBLY IS DEFECTIVE)

    B

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    C

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here