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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 P1148, P1168: Closed Loop Control >> DTC Confirmation Procedure >> Testing Condition:

Testing Condition:

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

WITH CONSULT-II 

  1. Start engine and warm it up to normal operating temperature.
  2. Select "DATA MONITOR" mode with CONSULT-II.
  3. Hold engine speed at 2, 000 RPM and check one of the following.
    • "HO2S1 (B1)/(B2)" voltage should go above 0.70V at least once.
    • "HO2S1 (B1)/(B2)" voltage should go below 0.21V at least once.

      If the check result is NG, perform "DIAGNOSTIC PROCEDURE ".

      If the check result is OK, perform the following step.

  4. Let engine idle at least 5 minutes.
  5. Maintain the following condition at least 50 consecutive seconds.
    Fig 1: Test Condition Reference Chart
    G00768353Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Displaying Data Monitor
    G00768354Courtesy of NISSAN MOTOR CO., U.S.A.

    During this test, P0134 and/or P0154 may be displayed on CONSULT-II screen.

  6. If DTC is detected, go to "DIAGNOSTIC PROCEDURE ".