Document ID: chunk:federal_register_of_legislation:F2011C00805:reg:20:p21
Version: federal_register_of_legislation:F2011C00805
Segment Type: reg
Provision Reference: reg 20 (pt 21/23)
Character Range: 200875–203910

6.2.2. The first cycle starts on the initiation of the engine start-up procedure.

           6.2.3. In the case of the use of LPG or NG as a fuel it is permissible that the engine is started on petrol and switched to LPG or NG after a predetermined period of time which cannot be changed by the driver.

           6.3.  Idling

           6.3.1. Manual-shift or semi-automatic gearbox, see Appendix 1 to this Annex, tables 1.2 and 1.3.

6.3.2. Automatic-shift gearbox

           After initial engagement the selector shall not be operated at any time during the test except in the case specified in paragraph 6.4.3. below or if the selector can actuate the overdrive, if any.

           6.4. Accelerations

           6.4.1. Accelerations shall be so performed that the rate of acceleration is as constant as possible throughout the operation.

           6.4.2.  If an acceleration cannot be carried out in the prescribed time, the extra time required shall be deducted from the time allowed for changing gear, if possible, but otherwise from the subsequent steady-speed period.

           6.4.3.  Automatic-shift gearboxes

           If an acceleration cannot be carried out in the prescribed time, the gear selector shall operate in accordance with requirements for manual-shift gearboxes.

           6.5.  Decelerations

           6.5.1.  All decelerations of the elementary urban cycle (Part One) shall be effected by removing the foot completely from the accelerator, the clutch remaining engaged.  The clutch shall be disengaged, without use of the gear lever, at the higher of the following speeds:  10 km/h or the speed corresponding to the engine idle speed.

           All decelerations of the extra-urban cycle (Part Two) shall be effected by removing the foot completely from the accelerator, the clutch remaining engaged. The clutch shall be disengaged, without use of the gear lever, at a speed of 50 km/h for the last deceleration.

           6.5.2.  If the period of deceleration is longer than that prescribed for the corresponding phase, the vehicle's brakes shall be used to enable the timing of the cycle to be complied with.

           6.5.3.  If the period of deceleration is shorter than that prescribed for the corresponding phase, the timing of the theoretical cycle shall be restored by constant speed or idling period merging into the following operation.

           6.5.4.  At the end of the deceleration period (halt of the vehicle on the rollers) of the elementary urban cycle (Part One) the gears shall be placed in neutral and the clutch engaged.

           6.6.  Steady speeds

           6.6.1.  "Pumping" or the closing of the throttle shall be avoided when passing from acceleration to the following steady speed.

           6.6.2.  Periods of constant speed shall be achieved by keeping the accelerator position fixed.

           7.  PROCEDURE FOR SAMPLING AND ANALYSIS

           7.1.  Sampling

           Sampling shall begin (BS) before or at the initiation of the engine start