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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2408 (Engine Control System - DTCS P0181 To P0550 (VK56DE)) >> DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: Misfire >> DTC Confirmation Procedure

DTC Confirmation Procedure

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.
CAUTION: Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws when driving.
  1. If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next step.
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.
  2. Start engine and warm it up to normal operating temperature.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Turn ignition switch ON.
  5. Turn ignition switch OFF and wait at least 10 seconds.
  6. Restart engine and let it idle for approximately 15 minutes.
  7. Check 1st trip DTC.
  8. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".
    NOTE: If 1st trip DTC is not detected during above procedure, performing the following procedure is advised.
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.
    4. Start engine and drive the vehicle under similar conditions to (1st trip) Freeze Frame Data for a certain time. Refer to the table below.

    Hold the accelerator pedal as steady as possible  .

    Similar conditions to (1st trip) Freeze Frame Data mean that the following conditions should be satisfied at the same time.

    Engine speed Engine speed in the freeze frame data ± 400 RPM
    Vehicle speed Vehicle speed in the freeze frame data ± 10 km/h (6 MPH)
    Engine coolant temperature (T) condition When the freeze frame data shows lower than 70°C (158°F), T should be lower than 70°C (158°F).
    When the freeze frame data shows higher than or equal to 70°C (158°F), T should be higher than or equal to 70°C (158°F).

    Driving time varies according to the engine speed in the freeze frame data.

    Engine speed Time
    Around 1, 000 RPM Approximately 10 minutes
    Around 2, 000 RPM Approximately 5 minutes
    More than 3, 000 RPM Approximately 3.5 minutes
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