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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Control System - 3.5L) >> DTC P0128: Thermostat Function >> DTC Confirmation Procedure >> With Consult-II

With Consult-II

WARNING: This page is about a different variant/trim than selected.
  1. Replace thermostat with new one. Refer to "COMPONENT DESCRIPTION ". 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).
    1. If it is below 60°C (140°F), go to following step.
    2. 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.
    VHCL SPEED SE SPECIFICATION

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

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