DTC Detection Logic
| DTC | CONSULT screen terms | DTC detection condition | ||||
|---|---|---|---|---|---|---|
| (Trouble diagnosis content) | [Malfunction type] | |||||
| U0019 | 88 | Interior CAN communication (Interior CAN communication has a malfunction) |
BUS OFF | 1 | Diagnosis condition | Ignition switch ON (After ignition switch ON, wait for 5 seconds to start the engine) |
| Signal (terminal) | CAN communication signal | |||||
| Threshold | Bus - off the CAN communication | |||||
| Diagnosis delay time | 5 seconds or more | |||||
| 2 | Diagnosis condition | Network communication | ||||
| Signal (terminal) | CAN communication signal | |||||
| Threshold | CAN controller reports Bus-off | |||||
| Diagnosis delay time | 5 seconds or more | |||||
NOTE:
- The affected control unit must not be replaced.
- A bus OFF error code is set if the control unit cannot transmit a certain number of messages to the CAN bus or if the messages are incomplete.
- The control unit then shuts itself off from the CAN bus for a short time.