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Home >> Land Rover >> 2003 >> Range Rover >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Without Codes >> OBD Drive Cycle Information >> Drive Cycle D

Drive Cycle D

  1. Switch ignition on for 30 seconds.
  2. Ensure engine coolant temperature is less than 35°C (95°F).
  3. Start the engine and allow to idle for 2 minutes.
  4. Perform 2 light accelerations, i.e. 0 to 35 mph with light pedal pressure.
  5. Perform 2 medium accelerations, i.e. 0 to 45 mph with moderate pedal pressure.
  6. Perform 2 hard accelerations, i.e. 0 to 55 mph with heavy pedal pressure.
  7. Cruise at 60 mph for 5 minutes.
  8. Cruise at 50 mph for 5 minutes.
  9. Cruise at 35 mph for 5 minutes.
  10. Allow engine to idle for 2 minutes.
  11. Connect a generic scan tool and check for diagnostic trouble codes.
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