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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 P0171 Or DTC P0174 >> DTC Confirmation Test (Using CONSULT-II)
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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.
  1. Start engine and warm to normal operating temperature.
  2. Turn ignition off and wait at least 10 seconds.
  3. Turn ignition on. Select SELF-LEARNING CONT in WORK SUPPORT mode with CONSULT-II.
  4. Clear self-learning control coefficient by pressing CLEAR.
  5. Select DATA MONITOR mode with CONSULT-II.
  6. Start engine and let it idle for at least 10 minutes. If 1st trip DTC P0171 or P0174 is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC P0171 or P0174 is not detected, go to next step.
  7. If it is difficult to start engine, fuel injection system has a malfunction. Crank engine while depressing accelerator pedal. If engine starts, go to DIAGNOSTIC PROCEDURE  . If engine does not start, visually check for intake and exhaust leaks.
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