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Home >> Nissan-Datsun >> 2012 >> Sentra Base, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0506 To P2A00 (MR20DE) (Except 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 V
  3. If NG, go to "DIAGNOSIS PROCEDURE ".
Fig 1: Checking Voltage Between ECM Terminal 14 And Ground
G05921792Courtesy of NISSAN NORTH AMERICA, INC.