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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1177 (Engine Control System - DTCS P0603 To P2A03 (VK56DE)) >> DTC P0850: PNP Switch >> Overall Function Check

Overall Function Check

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

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 102 (PNP signal) and ground under the following conditions.
    Selector lever position Voltage (Known good data)
    P or N position Approx. 0 V
    Except the above position BATTERY VOLTAGE (11 - 14 V)
  3. If NG, go to "DIAGNOSIS PROCEDURE ".
Fig 1: Checking Voltage Between ECM Terminal 102 (PNP Signal) And Ground
G08165143Courtesy of NISSAN NORTH AMERICA, INC.