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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (4 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2119: Throttle Actuator "A" Control Throttle Body Range/Performance >> Diagnostic Method

Diagnostic Method

Judge as NG if the criteria below are met.

Judgment value

DIAGNOSIS 1 - THROTTLE POSITION IS OUT OF RANGE

Malfunction Criteria Threshold Value
Throttle position 23.2% or more
DIAGNOSIS 2 - INTAKE AIR AMOUNT IS OUT OF RANGE

Malfunction Criteria Threshold Value
Amount of intake air More than 19.2 g/s (0.68 oz/s)
DIAGNOSIS 3 - ALL TIME MONITORING

Malfunction Criteria Threshold Value
Difference between actual throttle opening angle and estimated opening angle 4.2% or more
DIAGNOSIS 4 - ACTUAL OPENING ANGLE CHANGE AMOUNT SMALL

Malfunction Criteria Threshold Value
Difference between actual throttle opening angle and estimated opening angle 2.1% or more
DIAGNOSIS 5 - ACTUAL OPENING ANGLE CHANGE AMOUNT LARGE

Malfunction Criteria Threshold Value
Difference between actual throttle opening angle and estimated opening angle 4.2% or more
DIAGNOSIS 6 - ACTUAL OPENING ANGLE NOT CHANGE

Malfunction Criteria Threshold Value
Difference between actual throttle opening angle and target throttle opening angle 1.68% or more

Time needed for diagnosis 

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.