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Home >> Subaru >> 2016 >> WRX STI Series.HyperBlue >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance >> Diagnostic Method
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Diagnostic Method

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
|Engine coolant temperature at engine start - Intake air temperature 30 sec. after engine start| > Value from Map
|Engine coolant temperature at engine start - Ambient air temperature at engine start| > 25 °C (45° F)
TEMPERATURE SPECIFICATION - MAP

Ambient temperature °C (°F) -30 (-22) 30 (86) 45 (113) 60 (140)
|Engine coolant temperature at engine start - Intake air temperature 30 sec. after engine start| °C (°F) 12 (21.6°F) 12 (21.6°F) 22 (39.6°F) 22 (39.6°F)

Time Needed for Diagnosis:  64 ms

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