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Home >> Subaru >> 2023 >> WRX Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0196: Engine Oil Temperature Sensor "A" Range/Performance >> General Description >> Diagnostic Method

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
|Oil temperature 21 sec. after the first engine start - Engine coolant temperature at the first engine start| More than 10°C (18°F)
|Oil temperature 21 sec. after the first engine start - Intake air temperature 21 sec. after the first engine start| More than value of Map
TEMPERATURE SPECIFICATION - MAP

Ambient temperature (°C (°F)) -30 (-22) 30 (86) 45 (113) 60 (140)
|Engine oil temperature at first engine start - Intake air temperature 21 sec. after first engine start| (°C (°F)) 10 (18) 10 (18) 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.