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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0451 To P1217 >> DTC P0850 PNP Switch >> DTC Confirmation Procedure >> With Consult-II
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

With Consult-II

  1. Turn ignition switch ON.
  2. Select "P/N POSI SW" in "DATA MONITOR" mode with CONSULT-II. Then check the "P/N POSI SW" signal under the following conditions.
    SELECTOR LEVER POSITION

    Position (Selector lever) Known-good signal
    N or P position ON
    Except the above position OFF
    Fig 1: CONSULT-II Display - Data Monitor
    G04900581Courtesy of NISSAN NORTH AMERICA, INC.

    If NG, go to "DIAGNOSTIC PROCEDURE ".

    If OK, go to following step.

  3. Select "DATA MONITOR" mode with CONSULT-II.
  4. Start engine and warm it up to normal operating temperature.
  5. Maintain the following conditions for at least 60 consecutive seconds.
    ENGINE TESTING CONDITION

    ENG SPEED 1, 000 - 6, 375 rpm
    COOLAN TEMP/S More than 70°C (158°F)
    B/FUEL SCHDL 2.0 - 31.8 msec
    VHCL SPEED SE More than 64 km/h (40 MPH)
    Selector lever Suitable position
    Fig 2: CONSULT-II Display - Data Monitor
    G04900582Courtesy of NISSAN NORTH AMERICA, INC.
  6. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".
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