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NO.18 EXCESSIVE SHIFT SHOCK IS FELT WHEN UPSHIFTING AND DOWNSHIFTING [JA5A-EL]

BME050301030254

18 | Excessive shift shock is felt when upshifting and downshifting
DESCRIPTION | • Excessive shift shock is felt when depressing the accelerator pedal at upshifting. During cruising, excessive shift shock is felt when depressing the accelerator pedal at downshifting.
POSSIBLE CAUSE | • Shift shock may worsen when fail-safe is operating. The shift shock has worsened if the TP sensor, input/turbine speed sensor, or VSS signal malfunctions.

  1. Clutch slippage, burnt

  • Line pressure low, high
  • Incorrect throttle position signal
  • VSS malfunction
  • Input/turbine speed sensor malfunction
  • TFT sensor malfunction
  • Shift solenoid A, B, or C malfunction
  • TCC solenoid valve malfunction
  • Throttle cable mis-adjustment
  • Body GND and sensor GND malfunction
  • Control valve body malfunction

  2. Poor hydraulic operation (Malfunction in range change)

  Note

  • Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.