Subaru Impreza 2005 General Description Manual page 156

Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
• Normality Judgment
Judge OK and clear the NG when the malfunction criteria below are completed.
Judgment Value
Malfunction Criteria
Accumulated amount of intake air
Max. − Min. fuel level output
Battery voltage
Engine speed
After engine start
6. DTC CLEAR CONDITION
• When the OK idling cycle was completed 40 times in a row
• When "Clear Memory" was performed
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
• When the OK driving cycle was completed 3 times in a row
• When "Clear Memory" was performed
8. FAIL SAFE
None
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Threshold Value
> 331 kg (729.7 lb)
≥ 2.6 2 (0.69 US gal,
0.57 Imp gal)
≥ 10.9 V
< 6,500 rpm
More than 5 seconds
GD(STi)-156