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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (Except STI) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P2146 Fuel Injector Power Supply A Open Circuit >> Diagnostic Method

Diagnostic Method

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

Diagnosis 1 

Judgment Value 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Injector power supply voltage < 6 V
or
> 17.2 V

Diagnosis 2 

Judgment Value 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Injector booster power supply voltage < 5.98 V
or
> 70.72 V

Time Needed for Diagnosis: 

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.