Check Point
- When DTC B1321-87 is output from the combination meter assembly, other ECUs on the same detection circuit may simultaneously output the same DTC depending on the malfunctioning area.
- Depending on the combination of DTCs simultaneously output by each ECU, the malfunctioning area can be narrowed down. Refer to the following table for DTC combinations output by each ECU.
| DTC Output Pattern | DTC Output Part Name (Display on GTS) |
Suspected Area | |
|---|---|---|---|
| Combination Meter Assembly (Combination Meter) |
Radio and Display Receiver Assembly (Navigation System) |
||
| 1 | B1321-87 | U11D0-87 |
|
| 2 | B1321-87 | Not output |
|