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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 2373 (Engine Control System - DTCS P1211 To P2A03) >> DTC P1421 Cold Start Control >> DTC Confirmation Procedure >> With Consult-II
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With Consult-II

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Select "DATA MONITOR" mode with CONSULT-II.
  4. Check that the "COOLAN TEMP/S" indication is between 4°C (39°F) and 36°C (97°F).

    If "COOLAN TEMP/S" indication is within the specified value, go to the following step.

    If "COOLANT TEMP/S" indication is out of the specified value, cool engine down or warm engine up and go to step  1.

  5. Start engine and let it idle for 5 minutes.
  6. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".
    Fig 1: CONSULT-II Display - DATA MONITOR
    G04900167Courtesy of NISSAN NORTH AMERICA, INC.