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Driving Pattern

Fig 1: Vehicle Driving Pattern
G06124469Courtesy of AMERICAN HONDA MOTOR CO., INC.
  1. Start the engine. Hold the engine speed at 3,000 rpm without load (in P or N) until the radiator fan comes on.
  2. Drive the vehicle at a speed between 45 - 75 mph (73 - 120 km/h) for at least 5 minutes, to warm up the TWC.
  3. Drive at a steady speed between 55 - 75 mph (88 - 120 km/h) for at least 10 seconds.
  4. Decelerate with the throttle valve fully closed.
  5. Repeat step  3 through step 4, four times.
  6. Set a vehicle speed of 55 mph (88 km/h) on the cruise control or equivalent, and drive for at least 70 seconds.