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Home >> Subaru >> 2021 >> Outback Limited XT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.4L) (Diagnostics) (1 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0116: Engine Coolant Temperature Sensor 1 Circuit Range/Performance >> General Description >> Diagnostic Method
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Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
|Engine coolant temperature at first engine start - Intake air temperature 21 sec. after first engine start|
|Engine coolant temperature at first engine start - Ambient air temperature at first engine start|
More than value of Map
More than 25°C (45°F)
AMBIENT TEMPERATURE - MAP

Ambient temperature (°C (°F)) -30 (-22) 30 (86) 45 (113) 60 (140)
|Engine coolant temperature at first engine start - Intake air temperature 21 sec. after first engine start|
(°C (°F))
12 (21.6) 12 (21.6) 22 (39.6) 22 (39.6)

Time needed for diagnosis  : Less than 1 s

Malfunction indicator light illumination  : Illuminates when malfunction occurs in 2 continuous driving cycles.