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Home >> Subaru >> 2015 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (STI) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0851 Neutral Switch Input Circuit Low (Mt Model) >> Diagnostic Method

Diagnostic Method

Judge NG when the malfunction criteria below are completed determined times or more after the neutral SW change.

Judgment Value 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Neutral switch output voltage ≤ Battery voltage x 0.19 V

Time Needed for Diagnosis:  3 time(s)

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