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Home >> Nissan-Datsun >> 2004 >> Frontier Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - VG33ER) >> DTC P0128: Thermostat Function >> DTC Confirmation Procedure >> Testing Condition:

Testing Condition:

WARNING: This page is about a different variant/trim than selected.

WITH CONSULT-II 

  1. Replace thermostat with new one. Refer to "THERMOSTAT ". 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 70°C (158°F).

    If it is below 70°C (158°F), go to following step.

    If it is above 70°C (158°F), stop engine and cool down the engine to less than 70°C (158°F), then retry from step  1.

  5. Drive vehicle for 10 consecutive minutes under the following conditions.
    Fig 1: Vehicle Speed Specification
    G00771895Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Displaying "DATA MONITOR" Mode
    G00771896Courtesy of NISSAN MOTOR CO., U.S.A.

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

WITH GST 

Follow the procedure "WITH CONSULT-II" above.