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Home >> Nissan-Datsun >> 2004 >> Maxima SL, RE4F04B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Basic Service Procedure >> Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment >> Inspection Procedure >> 29. Check Air Fuel Ratio (A/F) Sensor 1 Function >> With CONSULT-II

With CONSULT-II

  1. Turn ignition switch OFF and wait at a least 10 seconds.
  2. Start engine and warm it up to normal operating temperature.
  3. Drive the vehicle at a speed of 80 km/h (50 MPH) for a few minutes in D position with "OD" OFF (A/T models) or 5th position (M/T models).
    NOTE: Keep the accelerator pedal as steady as possible during the cruising.
  4. Set "OD" ON, then release the accelerator pedal fully until the vehicle speed decreases to 50 km/h (30 MPH).
    NOTE: Never apply brake during releasing the accelerator pedal.
  5. Repeat steps 3 to 4 five times.
  6. Stop the vehicle and connect CONSULT-II to the vehicle.
  7. Make sure that no (1st trip) DTC is displayed in "SELF-DIAG RESULTS" mode.

OK or NG 

  1. OK: GO TO 4 .
  2. NG: GO TO 31 .
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