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Home >> Subaru >> 2008 >> Outback Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0181 Fuel Temperature Sensor "A" Circuit Range/Performance >> Diagnostic Method >> Judgment Value

Judgment Value

MALFUNCTION CRITERIA AND THRESHOLD VALUE REFERENCE

Malfunction Criteria Threshold Value
Fuel level ≥ 9.6 (2.54 US gal, 2.11 Imp gal)
After engine starting 20 seconds or more
Engine coolant temperature - Engine coolant temperature at engine start > 10°C (18°F)
Fuel temperature - Engine coolant temperature ≥ 10°C(18°F)
Battery voltage > 10.9 V

Time Needed for Diagnosis:  120 seconds

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.



MALFUNCTION CRITERIA AND THRESHOLD VALUE REFERENCE

Malfunction Criteria Threshold Value
Fuel level ≥ 9.6 (2.54 US gal, 2.11 Imp gal)
After engine starting 20 seconds or more
Engine coolant temperature - Engine coolant temperature at engine start > 10°C(18°F)
Fuel temperature - Engine coolant temperature < 10°C(18°F)
Engine coolant temperature < 75°C(167°F)
Battery voltage > 10.9 V


MALFUNCTION CRITERIA AND THRESHOLD VALUE REFERENCE

Malfunction Criteria Threshold Value
Accumulated amount of intake air ≥ 551 kg (1215 lb)
Fuel temperature difference between Max. and Min. < 2°C (3.6°F)

Time Needed for Diagnosis:  Undetermined

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.



MALFUNCTION CRITERIA AND THRESHOLD VALUE REFERENCE

Malfunction Criteria Threshold Value
Accumulated amount of intake air ≥ 551 kg (1215 lb)
Fuel temperature difference between Max. and Min. ≥ 2°C (3.6°F)