| DTC Code | DTC Name |
|---|---|
| B150A | Lost Communication with HMI-LAN |
DESCRIPTION
*1: for Radio and Display Type
*2: for Navigation Receiver Type
The combination meter assembly receives a text data signal from the radio and display receiver assembly*1 or navigation 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 radio and display receiver assembly*1 or navigation receiver assembly*2 when the ignition switch is ON, 1 or more times, the combination meter assembly cannot receive the signal for 30 seconds or more. |
|
WIRING DIAGRAM
for Radio and Display Type
| *a | Radio and Display Receiver Assembly |
| *b | Combination Meter Assembly |
| *c | CAN Communication Line |
for Navigation Receiver Type
| *a | Navigation Receiver 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.
except 8 Speakers:
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 or audio and visual system.
Audio and Visual System: Click here
Navigation System: Click 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
CONFIRM MODEL
Choose the model to be inspected.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK FOR DTC (AUDIO AND VISUAL SYSTEM) Click here |
| A |
|
CHECK FOR DTC (NAVIGATION SYSTEM)
Check for DTCs.
| OK |
|---|
| DTCs are not output. |
| Result | |||
|---|---|---|---|
|
| NG |
|
GO TO NAVIGATION SYSTEM Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO RECEIVER ASSEMBLY)
Disconnect the G16 combination meter assembly connector.
Disconnect the G158 navigation receiver assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK COMBINATION METER ASSEMBLY
Replace the combination meter assembly.
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 receiver assembly.
| *a | Multi-information Display |
| *b | Audio Tab |
Operate the steering pad switch assembly and check that the audio tab illuminates.
Check for DTCs.
| OK |
|---|
| The audio tab illuminates and DTC B150A is not output. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (COMBINATION METER ASSEMBLY IS DEFECTIVE) |
| NG |
|
REPLACE NAVIGATION RECEIVER ASSEMBLY Click here |
CHECK FOR DTC (AUDIO AND VISUAL SYSTEM)
Check for DTCs.
| OK |
|---|
| DTCs are not output. |
| Result | |||
|---|---|---|---|
|
| NG |
|
GO TO AUDIO AND VISUAL SYSTEM Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO RECEIVER ASSEMBLY)
Disconnect the G16 combination meter assembly connector.
Disconnect the G159 radio and display receiver assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK COMBINATION METER ASSEMBLY
Replace the combination meter assembly.
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 receiver assembly.
| *a | Multi-information Display |
| *b | Audio Tab |
Operate the steering pad switch assembly and check that the audio tab illuminates.
Check for DTCs.
| OK |
|---|
| The audio tab illuminates and DTC B150A is not output. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (COMBINATION METER ASSEMBLY IS DEFECTIVE) |
| NG |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here |