Diagnostic Method
WARNING: This page is about a different car, the 2006 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.
- Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than the predetermined time.
Judgment Value
JUDGMENT VALUE REFERENCE CHART
| Malfunction Criteria | Threshold Value |
|---|---|
| Low side error | |
| Output voltage | <1.79 V |
| Engine speed | ≥ 2000 RPM |
| Throttle opening angle | ≥15° |
| Intake manifold pressure | ≥ 73.3 kPa (550 mmHg, 21.7 inHg) |
| 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 diagnosis | 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.
- Normality Judgment
Judge as OK when the criteria below are met.
Judgment Value
JUDGMENT VALUE REFERENCE CHART
| Malfunction Criteria | Threshold Value |
|---|---|
| (Low side error) | |
| Output voltage | ≥ 1.79 V |
| Engine speed | ≥ 2000 RPM |
| Throttle opening angle | ≥15° |
| Intake manifold pressure | ≥ 73.3 kPa (550 mmHg, 21.7 inHg) |
| (High side error) | |
| 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) |
| Fuel system diagnosis | Rich side normal |