Abnormality Judgment
Judge as NG when the continuous time of meeting the malfunction criteria below becomes more than the predetermined time.
Judgment Value
MALFUNCTION CRITERIA AND THRESHOLD VALUE REFERENCE
| Malfunction Criteria | Threshold Value |
|---|---|
| Low side error | |
| Output voltage | < 1.79 V |
| Engine speed | ≥ 2200 rpm |
| Throttle opening angle | ≥ 17° |
| Intake manifold pressure | ≥ 73.3 kPa (550 mmHg, 21.7 inHg) |
| Engine coolant temperature | ≥ 75°C (167°F) |
| High side error (1) | |
| Output voltage | ≥ 1.83 V |
| Engine speed | 500 ↔ 850 rpm |
| Throttle opening angle | < 3.5° |
| Intake manifold pressure | < 46.7 kPa (350 mmHg, 13.8 inHg) |
| High side error (2) | |
| Output voltage | ≥ 1.73 V |
| Engine speed | 500 ↔ 850 rpm |
| Throttle opening angle | < 3.5° |
| Intake manifold pressure | < 46.7 kPa (350 mmHg, 13.8 inHg) |
| Fuel system diagnostics | Rich side malfunction |
Time Needed for Diagnosis:
Low side: 5 seconds
High side: 10 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.