Subaru IMPREZA GD 2007 Series Manual page 1884

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Diagnostic Trouble Code (DTC) Detecting Criteria
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of meeting the malfunction criteria below becomes 2.5 seconds or
more.
Judgment Value
Malfunction Criteria
Battery voltage
After engine starting
Fuel pump control
Fuel pump control unit output diagnosis
signal
Fuel level
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in two continuous driving
cycles.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
Judgment Value
Malfunction Criteria
Battery voltage
After engine starting
Fuel pump control
Fuel pump control unit output diagnosis
signal
6. DTC CLEAR CONDITION
• When the OK idling cycle is completed 40 times in a row
• When "Clear Memory" is performed
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
• When the OK driving cycle is completed three times in a row
• When "Clear Memory" is performed
8. FAIL SAFE
OFF setting may be needed depending on the NG portion.
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Threshold Value
≥ 8 V
180 seconds or more
ON
Low
≥ 10 2 (2.6 US gal,
2.2 Imp gal)
Threshold Value
≥ 8 V
180 seconds or more
ON
High
GD(H4DOTC)-93
GENERAL DESCRIPTION