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Home >> Toyota >> 2019 >> 86 Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (4 Of 6) >> SFI System >> DTC P0851: Park / Neutral Switch Input Circuit Low; DTC P0852: Park / Neutral Switch Input Circuit High [06/2016 - 12/2017] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

P0851 (FOR MANUAL TRANSMISSION)

Output voltage (Battery voltage X 0.19) or less
P0852 (FOR MANUAL TRANSMISSION)

Output voltage (Battery voltage X 0.6) or more
P0851 (FOR AUTOMATIC TRANSMISSION)

Measured park/neutral position switch voltage (Battery voltage X 0.19) or less
P0852 (FOR AUTOMATIC TRANSMISSION)

Measured park/neutral position switch voltage (Battery voltage X 0.6) or more
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