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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2287 (Engine Control System - DTCS P1211 Through P2A03) >> DTC P1421 Cold Start Control >> DTC Confirmation Procedure >> With Consult-III

With Consult-III

WARNING: This page is about a different car, the 2008 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-III.
  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. Check 1st trip DTC.
  7. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".
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