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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 Enabling Conditions
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Typical Enabling Conditions

FOR MANUAL TRANSMISSION

Monitor runs whenever following DTCs not present P0500 (Vehicle speed sensor (VSS))
ST relay Off
Starter Off
Battery voltage 10.9 V or more
Driving condition change from the following condition A to B: 3 count
A. All of the following conditions are met: (a) and (b)
(a) Vehicle speed Less than 0 km/h (0 mph)
(b) Engine speed 550 to 880 rpm
B. All of the following conditions are met: (a) and (b)
(a) Vehicle speed 64 km/h (39.8 mph) or more
(b) Engine speed 1600 to 2600 rpm
FOR AUTOMATIC TRANSMISSION

Monitor runs whenever following DTCs not present P0512 (Starter Switch Circuit with Push Start System)
U0073, U0101, U0402 (CAN system)
ST relay Off
Starter Off
Battery voltage 10.9 V or more
MIL not illuminated for DTC U0101
Engine speed 500 rpm or more