Diagnostic Method: Notes
WARNING: This page is about a different variant/trim than selected.
Diagnosis flow varies depending on the tank pressure.
Diagnosis flow 1: When the tank pressure is within the specified value range.
| Mode | Explanation of Mode | Diagnosis period | DTC |
|---|---|---|---|
| A | Vacuum pump operation confirmation and characteristics stability | 7 s or less | P2404 |
| B | Measurement of reference pressure for setting the target negative pressure | 350 s or less | P2404 |
| C | Switching valve operation confirmation | 12 s or less | P2404 |
| Sealing valve open stuck | P2450 | ||
| D | Leak pressure is being measured | 900 s or less | - |
| E | Reference pressure measurement for canister side judgment | 50 s or less | P2404 |
| Canister side 0.04 inch leak pressure measurement | P04ED | ||
| Canister side 0.02 inch leak pressure measurement | P04EF | ||
| F | Tank side 0.04 inch leak advanced normal judgment | 26 s or less | P04EC |
| G | Tank side 0.02 inch leak advanced normal judgment | 930 s or less | P04EE |
| Sealing valve close stuck | P2451 | ||
| H | Tank side reference pressure measurement | 50 s or less | P2404 |
| Tank side 0.04 inch leak pressure measurement | P04EC | ||
| Tank side 0.02 inch leak pressure measurement | P04EE |
Diagnosis flow 2: When the tank pressure is out of the specified value range.
| Mode | Explanation of Mode | Diagnosis period | DTC |
|---|---|---|---|
| A | Vacuum pump operation confirmation and characteristics stability | 7 s or less | P2404 |
| B | Measurement of reference pressure for setting the target negative pressure | 350 s or less | P2404 |
| C | Switching valve operation confirmation | 12 s or less | P2404 |
| Sealing valve open stuck | P2450 | ||
| D | Leak pressure is being measured | 900 s or less | - |
| E | Reference pressure measurement for canister side judgment | 50 s or less | P2404 |
| Canister side 0.04 inch leak pressure measurement | P04ED | ||
| Canister side 0.02 inch leak pressure measurement | P04EF | ||
| F | Tank side 0.04 inch leak advanced normal judgment | 26 s or less | P04EC |
| Tank side 0.02 inch leak advanced normal judgment | P04EE | ||
| I | Sealing valve close stuck | 15 s or less | P2451 |