LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2023 >> BRZ Premium, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0851: Park/Neutral Switch Input Circuit Low >> General Description >> Method Of Diagnosis (At Model)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Method Of Diagnosis (At Model)

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 12 V or less

Time needed for diagnosis:  6.4 s

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