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NO.22 NO ENGINE BRAKING IN HOLD MODE [FN4A-EL]

BME050301030226

22 | No engine braking in HOLD mode
DESCRIPTION | • Engine speed drops to idle but the vehicle coasts when the accelerator pedal is released during cruising at medium to high speeds. • Engine speed drops to idle but the vehicle coasts when the accelerator pedal is released when in L range at low vehicle speed.
POSSIBLE CAUSE | 1. Clutch slippage, burnt (low and reverse brake)

  • Line pressure low
  • Shift solenoid D malfunction
  • Shift solenoid E malfunction
  • Shift solenoid C malfunction
  • Control valve body malfunction
  • Body GND malfunction

2. Signal malfunction

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

3. PCM does not determine that the HOLD switch is ON (short, or open circuit, poor operation)

  • HOLD switch signal malfunction

  Note

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

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | Do the following symptoms occur concurrently? • Engine flares up or slips during acceleration. • Engine flares up or slips when shifting. | Yes | Go to NO.14 "ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING" or No.15 "ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE".
No | Repeat basic inspection and repair or replace any malfunctioning parts according to the inspection result. (See BASIC INSPECTION [FN4A-EL].)