Page 56 - 2019 Technical NMT Hybrid4
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HYBRID4 – Model Outline – Hybrid Powertrain – Prius AWD – E-four System
      AWD control






       AWD control is basically same as conventional E-four system










                                              Rear Wheel
          Driving Condition                                                                                          AWD Control
                                                  Torque

                                           Torque                                                    Optimally controls the drive force of the rear wheels
            Start-off, Uphill                                  Time                       AWD        to ensure start-off performance




             Normal Driving                                                                FF        Reduces the drive force of the rear wheels




           On Slippery Road                                                            FF        AWD  Changes to AWD when the front tyres slip





                   Braking                                                                 FF        AWD is cancelled to increasing brake effectiveness



                                                                                                     Optimally controls the drive force of the rear
                 Cornering                  Refer to next slide                           AWD
                                                                                                     wheels. (Refer to next slide)
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