Diagnostic Method
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 1)
| Malfunction Criteria | Threshold Value |
|---|---|
| High-pressure fuel pump wrong operation Signal (0.2 A or less) | ON |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 2)
| Malfunction Criteria | Threshold Value |
|---|---|
| High-pressure fuel pump wrong operation Signal (14.2 A or more) | ON |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 3)
| Malfunction Criteria | Threshold Value |
|---|---|
| High-pressure fuel pump wrong Operation Signal (1 V or less) |
ON |
| Malfunction Criteria | Threshold Value |
|---|---|
| High-pressure fuel pump wrong operation Signal (5 V or more) | ON |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 5)
| Malfunction Criteria | Threshold Value |
|---|---|
| High-pressure fuel pump control voltage | Less than 3.92 V |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 6)
| Malfunction Criteria | Threshold Value |
|---|---|
| High-pressure fuel pump control voltage | 3.92 V or more |
Time needed for diagnosis:
Diagnosis 1, 2, 5: Mapl
Diagnosis 3, 4, 6: Map2
MAP SPECIFICATION 1
| Engine speed (rpm) | 500 | 2000 | 4000 |
|---|---|---|---|
| Time when calculation was performed 10 times (sec) | 0.6 | 0.15 | 0.08 |
MAP SPECIFICATION 2
| Engine speed (rpm) | 0 | 500 | 2000 | 4000 |
|---|---|---|---|---|
| Time when calculation was performed 10 times (sec) | 0.04 | 0.6 | 0.15 | 0.08 |
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.