DTC Detection Logic
When ECM unable to transmit engine communication signal.
| DTC | CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| U1040 | Engine communication line | Diagnosis condition | Ignition switch ON |
| Signal (terminal) | Engine communication signal | ||
| Threshold | ECM unable to transmit engine communication signal | ||
| Diagnosis delay time | - | ||