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Home >> Nissan-Datsun >> 2012 >> Sentra Base, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0447 To P1148 (MR20DE) (CALIFORNIA) >> DTC P0850: PNP Switch >> Overall Function Check

Overall Function Check

Use this procedure to check the overall function of the park/neutral position (PNP) signal circuit. During this check, a 1st trip DTC might not be confirmed.

With GST

  1. Turn ignition switch ON.
  2. Check voltage between ECM terminal 14 (PNP signal) and ground under the following conditions.
    Condition (Shift lever) Voltage (Known-good data)
    P or N position (CVT)
    Neutral position (M/T)
    Battery voltage (11 - 14 V)
    Except above Approx. 0
    Fig 1: Checking Voltage Between ECM Terminal 14 (PNP Signal) And Ground
    G05921792Courtesy of NISSAN NORTH AMERICA, INC.
  3. If NG, go to "DIAGNOSIS PROCEDURE ".