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Home >> Scion >> 2014 >> FR-S Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0604-P1603) >> SFI System >> DTC P0851: Park / Neutral Switch Input Circuit Low; DTC P0852: Park / Neutral Switch Input Circuit High >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

P0851 (FOR MANUAL TRANSMISSION)

Switch signal for manual transmission Battery voltage X 0.19 or less
P0852 (FOR MANUAL TRANSMISSION)

Switch signal for manual transmission Battery voltage X 0.6 or more
P0851 (FOR AUTOMATIC TRANSMISSION)

Output voltage for Automatic Transmission Battery voltage X 0.19 or less
Gear position from TCM Off
P0852 (FOR AUTOMATIC TRANSMISSION)

Output voltage for Automatic Transmission Battery voltage X 0.6 or more
Gear position from TCM On