|
DTC Advanced Diagnostics: P0851, P0852
DTC P0851:Neutral Position Sensor A Circuit Low Voltage DTC P0852:Neutral Position Sensor A Circuit High Voltage General Description
Table A: Neutral position sensor output voltage
Neutral position sensor A and neutral position sensor B are semiconductor type that output different voltage characteristics. Each neutral position sensor outputs a voltage which depends on the condition is shown in Table A. The powertrain control module (PCM) judges whether it is in neutral or not from the neutral position sensor output voltage, and uses the information for various controls and auto idle stop system control (if equipped). Neutral position sensor A is for judging the neutral, and neutral position sensor B compares their output voltage to each other for malfunction detection. When the neutral position sensor A output voltage is a specified voltage for a set time, the PCM detects a malfunction and stores a DTC. Monitor Execution, Sequence, Duration, DTC Type
Enable Conditions
Malfunction Threshold
DTC: P0851 The neutral position sensor A output voltage is 0.15 V or less for at least 2.0 seconds. DTC: P0852 The neutral position sensor A output voltage is 3.5 V or more for at least 2.0 seconds. Possible Cause
NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
DTC: P0851
DTC: P0852
Common
Diagnosis Details
Conditions for setting the DTC
When a malfunction is detected, a Pending DTC, a Confirmed DTC, and the freeze data are stored in the PCM memory. The MIL does not come on. Conditions for clearing the DTC
The Pending DTC, the Confirmed DTC, and the freeze data can be cleared with the scan tool Clear command. | ||||||||||||||||||||||||||||||||||||||||||||
