Subaru 2009 IMPREZA Service Manual page 922

Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
5. DIAGNOSTIC METHOD
• Abnormality Judgement
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Judgement Value
Malfunction Criteria
Signal difference between two sensors
Map
Throttle position sensor 1
opening angle (°) = d
Sensor output difference (°)
Time Needed for Diagnosis: 116 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgement
Judge as OK and clear the NG if the continuous time while the following conditions are established is more
than the predetermined time.
Judgement Value
Malfunction Criteria
Signal difference between two sensors
Time Needed for Diagnosis: 116 ms
Threshold Value
> Value from Map
0° d < 0.6 ° 0.6 ° d < 1.2 °
1.465 ° 1.597 °
Threshold Value
Value from Map
GD(H4SO)-198
1.2 ° d < 2 ° 2 ° d < 4 °
1.663 ° 2.455 °
4 ° d
3.116 °