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.
FOR TMC MADE
| DTC Output Pattern | DTC Output Part Name (Display on GTS) |
Malfunction Status/Suspected Area | |
|---|---|---|---|
| Combination Meter Assembly (Combination Meter) |
Radio and Display Receiver Assembly (Navigation System) |
||
| 1 | B1321-87 | U11D0-87 |
|
| 2 | B1321-87 | Not output |
|
FOR TMMMS MADE
| DTC Output Pattern | DTC Output Part Name (Display on GTS) |
Malfunction Status/Suspected Area | |
|---|---|---|---|
| Combination Meter Assembly (Combination Meter) |
Radio and Display Receiver Assembly (Navigation System) |
||
| 1 | B1321-87 | B1324 |
|
| 2 | B1321-87 | Not output |
|