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DTC Confirmation Test (Using CONSULT-II)

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If a DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.
NOTE: Never raise engine speed above 3600 RPM during DTC confirmation test. If engine speed limit is exceeded, retry procedure from step  2 .
NOTE: Before performing following procedure, confirm battery voltage is more than 11 volts at idle.
  1. Start engine and warm it up to normal operating temperature.
  2. Select DATA MONITOR mode with CONSULT-II.
  3. Hold engine speed at 2000 RPM and check one of the following.
    • HO2S1 (B1)/(B2) voltage should go more than 0.70 volt at least once.
    • HO2S1 (B1)/(B2) voltage should go less than 0.21 volt at least once.
    If the check result is NG, go to DIAGNOSTIC PROCEDURE  . If the check result is OK, go to next step.
  4. Let engine idle at least 5 minutes.
  5. Maintain the following condition at least 50 consecutive seconds:
    • B/FUEL SCHDL: 2.5 milliseconds or more.
    • ENG SPEED: more than 1500 RPM.
    • Selector lever: suitable position.
    • VHCL SPEED SE: more than 43 MPH (70 km/h).
    6. NOTE: During this step, DTC P0132 and/or P0152 may be displayed on CONSULT-II screen.
  6. VHCL SPEED SE: more than 43 MPH (70 km/h).

    If DTC is detected, go to DIAGNOSTIC PROCEDURE  . If DTC is not detected, system is okay at this time.

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