Diagnostic Method
Judge as NG if the criteria below are met.
JUDGMENT VALUE SPECIFICATION
| Item | Malfunction Criteria | Threshold Value |
|---|---|---|
| Throttle opening angle is out of range | Throttle valve opening angle | ≥ 17.3% |
| Intake air amount is out of range | Intake air amount | > 19.2 g/s (0.68 oz/s) |
| All time monitoring | Difference between actual throttle opening angle and estimated opening angle | ≥ 4.2% |
| Actual opening angle change amount is small | Difference between actual throttle opening angle and estimated opening angle | ≥ 2.1% |
| Actual opening angle change amount is large | Difference between actual throttle opening angle and estimated opening angle | ≥ 4.2% |
| Actual opening angle does not change | Difference between actual throttle opening angle and target throttle opening angle | ≥ 1.68% |
Time needed for diagnosis:
| Item | Time |
|---|---|
| Throttle opening angle is out of range | 200 ms |
| Intake air amount is out of range | 200 ms |
| All time monitoring | 2000 ms |
| Actual opening angle change amount is small | 1000 ms |
| Actual opening angle change amount is large | 500 ms |
| Actual opening angle does not change | 1000 ms |
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.