Subaru 2009 IMPREZA Service Manual page 854

Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
5. DIAGNOSTIC METHOD
• Abnormality Judgement
Judge as NG when the following conditions are established.
Judgement Value
Malfunction Criteria
Accumulated amount of intake air
Max. – Min. values of fuel level output
Battery voltage
Engine speed
Elapsed time after starting the engine
Time Needed for Diagnosis: Less than 1 second
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
• Normality Judgement
Judge as OK and clear the NG if the following conditions are established.
Judgement Value
Malfunction Criteria
Accumulated amount of intake air
Max. – Min. values of fuel level output
Battery voltage
Engine speed
Elapsed time after starting the engine
Time Needed for Diagnosis: Less than 1 second
Threshold Value
330957 g
(11672.85 oz)
< 2.6 2 (0.69 US gal,
0.57 Imp gal)
10.9 V
< 6000 rpm
5000 ms
Threshold Value
330957 g
(11672.85 oz)
2.6 2 (0.69 US gal,
0.57 Imp gal)
10.9 V
< 6000 rpm
5000 ms
GD(H4SO)-130