Subaru LEGACY 2006 Manual page 463

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than the
predetermined time.
Judgment Value
Malfunction Criteria
(Low side error)
Output voltage
Engine speed
Throttle opening angle
Intake manifold pressure
High side error (1)
Output voltage
Engine speed
Throttle opening angle
Intake manifold pressure
High side error (2)
Output voltage
Engine speed
Throttle opening angle
Intake manifold pressure
Fuel system diagnosis
Time Needed for Diagnosis:
Low side 3 seconds
High side 10 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
Normality Judgment
Judge as OK when the criteria below are met.
Judgment Value
Malfunction Criteria
(Low side error)
Output voltage
Engine speed
Throttle opening angle
Intake manifold pressure
(High side error)
Output voltage
Engine speed
Throttle opening angle
Intake manifold pressure
Threshold Value
< 1.2 V
≥ 2000 rpm
≥ 13°
≥ 53.3 kPa (400
mmHg, 15.7 inHg)
≥ 2.66 V
600 — 900 rpm
< 2.44°
< 40.0 kPa (300
mmHg, 11.8 inHg)
≥ 1.45 V
600 — 900 rpm
< 2.44°
< 40.0 kPa (300
mmHg, 11.8 inHg)
Rich side malfunction
Threshold Value
≥ 1.2 V
≥ 2000 rpm
≥ 13°
≥ 53.3 kPa (400
mmHg, 15.7 inHg)
< 2.66 V
600 — 900 rpm
< 2.44°
< 40.0 kPa (300
mmHg, 11.8 inHg)
GD(H4SO)-26