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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 2346 (Engine Control System - DTCS U1000 To P0153) >> DTC P0128 Thermostat Function >> DTC Confirmation Procedure >> With Consult-II
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With Consult-II

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. Replace thermostat with new one. Refer to , "THERMOSTAT AND THERMOSTAT HOUSING ". Use only a genuine NISSAN thermostat as a replacement. If an incorrect thermostat is used, the MIL may come on.
  2. Turn ignition switch ON.
  3. Select "COOLAN TEMP/S" in "DATA MONITOR" mode with CONSULT-II.
  4. Check that the "COOLAN TEMP/S" is above 60°C (140°F).

    If it is below 60°C (140°F), go to following step.

    If it is above 60°C (140°F), cool down the engine to less than 60°C (140°F), then retry from step  1.

  5. Drive vehicle for 10 consecutive minutes under the following conditions.
    ENGINE SPEED SPECIFICATION

    VHCL SPEED SE 80 - 120 km/h (50 - 75 MPH)

    If 1st trip DTC is detected, go to , "DIAGNOSTIC PROCEDURE ".