Blipping Control

This system makes transmission clutch engage readily by controlling (synchronizing) engine revolution according to the (calculation of) engine revolution after shifting down.

• "BLIPPING CONTROL" functions.
  • When downshifting by accelerator pedal depression at "D" position.
  • When downshifting under the manual mode.
• TCM selects "BLIPPING CONTROL" or "NORMAL SHIFT CONTROL" according to the gear position, the selector lever position, the engine torque and the speed when accelerating by pedal depression.
• Revolution control demand signal is transmitted from TCM to ECM under "BLIPPING CONTROL".
• TCM synchronizes engine revolution according to the revolution control demand signal.
  Fig 1: Shift Change System Diagram

  Courtesy of NISSAN MOTOR CO., U.S.A.