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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0230 Fuel Pump Primary Circuit >> Diagnostic Method

Diagnostic Method

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Judge as NG when the continuous time of completing the malfunction criteria below becomes 2.5 seconds or more.

Judgment Value 

JUDGMENT VALUE REFERENCE CHART

Malfunction Criteria Threshold Value
Battery voltage ≥8V
Fuel level ≥9.6 (2.54 US gal, 2.11 Imp gal)
Fuel pump control unit output diagnosis signal Low

Time Needed for Diagnosis:  2.5 seconds

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

Judge as OK and clear the NG when the malfunction criteria below are met.

Judgment Value 

JUDGMENT VALUE REFERENCE CHART

Malfunction Criteria Threshold Value
Battery voltage ≥8V
Fuel level ≥ 9.6 (2.54 US gal, 2.11 Imp gal)
Fuel pump control unit output diagnosis signal High