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 radio and display 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. 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 radio and display receiver assembly when the power switch is on (ACC), 1 or more times, the combination meter assembly cannot receive the signal for 30 seconds or more.

  • Harness or connector

  • Radio and display receiver assembly

  • Combination meter assembly

WIRING DIAGRAM

A01MJFFE22
*a Radio and Display Recever Assembly
*b Combination Meter Assembly
*c CAN Communication Line

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      DTCs are not output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO NAVIGATION SYSTEM Click here

    OK

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


    1. Disconnect the C13 combination meter assembly connector.

    2. Disconnect the G106 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
      C13-34 (MSCH) - G106-3 (CNH) Always Below 1 Ω
      C13-33 (MSCL) - G106-4 (CNL) Always Below 1 Ω
      C13-34 (MSCH) or G106-3 (CNH1) - Body ground Always 10 kΩ or higher
      C13-33 (MSCL) or G106-4 (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 power switch on (IG) and wait for 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. A01MJPNC01
      *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