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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0420 Or DTC P0430 >> DTC Confirmation Test (Using CONSULT-II)

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.
  1. Turn ignition on and select DATA MONITOR mode with CONSULT-II.
  2. Start engine and warm to normal operating temperature.
  3. Turn ignition off and wait at least 10 seconds.
  4. Start engine and keep it at 3500-4000 RPM for at least one minute under no load.
  5. Let engine idle one more minute.
  6. Ensure COOLAN TEMP/S indicates more than 158°F (70°C). If not, warm up engine and go to next step when COOLAN TEMP/S reaches 158°F (70°C).
  7. Open engine hood.
  8. Select DTC and SRT CONFIRMATION then SRT WORK SUPPORT mode with CONSULT-II.
  9. Rev engine speed up to 2000-3000 RPM and hold for 3 consecutive minutes. Release accelerator pedal completely. If INCMP of CATALYST changed to CMPLT, go to step  12 .
  10. Let engine idle for 5 seconds.
  11. Rev engine speed up to 2000-3000 RPM and maintain it until INCMP of CATALYST changes to CMPLT (it will take about 5 minutes). If CMPLT is not displayed, stop engine and cool to less than 158°F (70°C). Then return to step  1 . If CMPLT is not displayed, go to next step.
  12. Select SELF-DIAG RESULTS mode with CONSULT-II. Then go to next step.
  13. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, system is okay at this time.
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