Diagnostic Method
WARNING: This page is about a different variant/trim than selected.
If the duration of time while the following conditions are met is longer than the time indicated, judge
as NG.
- Judgment 1: Diagnosis for open circuit
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Operating current | 0.2 A or less |
- Judgment 2: Diagnosis for overcurrent
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Operating current | 32.4 A or more |
- Judgment 3: Diagnosis for ground short
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Terminal voltage | 1 V or less |
- Judgment 4: Diagnosis for power supply short
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Terminal voltage | 5 V or more |
- Judgment 5: Diagnosis for short circuit to ground (between ECM and injector driver)
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Injector control voltage | Less than 3.92 V |
- Judgment 6: Diagnosis for short circuit to power supply (between ECM and injector driver)
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Injector control voltage | 3.92 V or more |
Time needed for diagnosis:
Judgment 1, 2, 5: Map1 Judgment 3, 4, 6: Map2
Map1
| Engine speed (rpm) | 500 | 2000 | 4000 |
|---|---|---|---|
| Time when calculation was performed 10 times (sec) | 2.4 | 0.6 | 0.3 |
Map2
| Engine speed (rpm) | 0 | 500 | 2000 | 4000 |
|---|---|---|---|---|
| Time when calculation was performed 10 times (sec) | 0.04 | 2.4 | 0.6 | 0.3 |
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.