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 (IG), 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

E295995E25

CAUTION / NOTICE / HINT

Note:

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

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for navigation system.

    Click hereClick hereClick here

  • After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).

PROCEDURE

  1. CONFIRM MODEL

    1. Choose the model to be inspected.

    Result

    Result

    Proceed to

    w/ Navigation System

    A

    w/o Navigation System

    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

      DTCs are not output.

    Result

    Proceed to

    OK

    NG
    NG

    GO TO NAVIGATION SYSTEM

    Click hereClick hereClick here

    OK

  3. CHECK FOR DTC (AUDIO AND VISUAL SYSTEM)

    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 AUDIO AND VISUAL SYSTEM

    Click hereClick hereClick here

    OK

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

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G159 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

      G16-23 (MSCH) - G159-3 (CNH1)

      Always

      Below 1 Ω

      G16-22 (MSCL) - G159-4 (CNL1)

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK COMBINATION METER ASSEMBLY

    1. Replace the combination meter assembly.

      Click here

    2. Turn the power 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 receiver assembly.

    3. E274321C03

      *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

  6. CHECK FOR DTC (AUDIO AND VISUAL SYSTEM)

    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 AUDIO AND VISUAL SYSTEM

    Click here

    OK

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

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G159 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

      G16-23 (MSCH) -G159-3 (CNH1)

      Always

      Below 1 Ω

      G16-22 (MSCL) - G159-4 (CNL1)

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    CHECK COMBINATION METER ASSEMBLYClick here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR