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NO.7 NO SHIFTING [FN4A-EL]

BME050301030211

7 | No shifting
DESCRIPTION | • Single shift range only. • Sometimes it shifts correctly.
POSSIBLE CAUSE | • When the gear position is fixed in 3GR due to the fail-safe operation, the malfunction is in the ATX. • Perform malfunction diagnosis according to No.6 "LOW MAXIMUM SPEED AND POOR ACCELERATION".

  1. Clutch slippage, burnt

  • Line pressure low
  • Shift solenoid D malfunction
  • Shift solenoid E malfunction
  • Shift solenoid A malfunction
  • Shift solenoid B malfunction
  • Shift solenoid C malfunction
  • Pressure control solenoid malfunction
  • Body GND malfunction
  • Control valve body malfunction

  2. Signal malfunction

  • Vehicle speed sensor malfunction
  • Sensor GND malfunction
  • TP sensor malfunction
  • Input/turbine speed sensor malfunction

  3. Transaxle fixed in 3GR (Operation in fail-safe function)

  • Short or open circuit in wiring harness
  • Poor connection of connector
  • Disconnected shift solenoid connector
  • Poor ground of shift solenoid

  4. Transaxle fixed in HOLD mode

  • HOLD switch malfunction