DTC Detection Logic
An excessively low or high voltage signal is sent to ECM through the VIAS control solenoid valve 2.
| DTC | CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| P1801 | VIAS S/V CIRC-B2 (VIAS solenoid valve circuit bank 2) |
Diagnosis condition | Start engine and let it idle |
| Signal (terminal) | VIAS control solenoid valve 2 signal | ||
| Threshold | An excessively low or high voltage signal is sent to ECM | ||
| Diagnosis delay time | - | ||