Outline Of Diagnosis
WARNING: This page is about a different variant/trim than selected.
Detect the malfunction of high pressure fuel pump circuit function.
Judge as NG when ECM detects any malfunction in the diagnostic items listed below.
| Diagnostic item | Malfunction Criteria |
|---|---|
| Power supply short | ECM low side terminal voltage of the high pressure fuel pump circuit is high. |
| Ground short | ECM low side terminal voltage of the high pressure fuel pump circuit is low. |
| Open circuit | High pressure fuel pump current is low. |
| Overcurrent | High pressure fuel pump current is high. |
| Short circuit | The time when the high pressure fuel pump current reaches the target current is short. |