DTC B1321-87: Lost Communication with EMV Missing Message [06/2020 - 10/2022]: Description
The combination meter assembly and radio and display receiver assembly communicate via local bus communication. This allows audio and visual system information to be displayed on the multi-information display. This DTC is stored when a communication error occurs between the radio and display receiver assembly and combination meter assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B1321-87 | Lost Communication with EMV Missing Message | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
|
W/ HEADUP DISPLAY SYSTEM:
| Pattern | DTC Output Part Name (Display on GTS) |
Suspected Area (Malfunction Status) | ||
|---|---|---|---|---|
| Combination Meter | Navigation System | Head up Display | ||
| B1321-87 | B1324 | B1321-87 | ||
| Pattern 1 | ◦ | ◦ | ◦ | Local bus (Open or short) |
| Meter mirror sub-assembly (Internal malfunction) | ||||
| Combination meter assembly (Internal malfunction) | ||||
| Radio and display receiver assembly (Internal malfunction) | ||||
| Pattern 2 | ◦ | ◦ | - | Local bus branch line (Open) |
| Combination meter assembly (Internal malfunction) | ||||
| Pattern 3 | ◦ | - | - | Combination meter assembly (Internal malfunction) |
◦: DTC is output.
-: DTC is not output
W/O HEADUP DISPLAY SYSTEM:
| Pattern | DTC Output Part Name (Display on GTS) |
Suspected Area (Malfunction Status) | |
|---|---|---|---|
| Combination Meter | Navigation System | ||
| B1321-87 | B1324 | ||
| Pattern 1 | ◦ | ◦ | Local bus (Open or short) |
| Combination meter assembly (Internal malfunction) | |||
| Radio and display receiver assembly (Internal malfunction) | |||
| Pattern 2 | ◦ | - | Local bus branch line (Open) |
| Combination meter assembly (Internal malfunction) | |||
◦: DTC is output.
-: DTC is not output