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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Control System (Diagnostics) (P0700 To P2097) (H4DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0851 Park/Neutral Switch Input Circuit Low >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

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
Voltage of the neutral position switch signal ≤ Battery voltage x0.19 V

Time needed for diagnosis:  80 ms x 80 time(s)

Malfunction indicator light illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.



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

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Neutral switch output voltage ≤ Battery voltage x0.19 V

Time needed for diagnosis:  3time(s)

Malfunction indicator light illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.