No. 21 No Engine Braking In 1, 2, Or 3 Gear: Notes

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

NO ENGINE BRAKING IN 1, 2, OR 3 GEAR - DESCRIPTION & POSSIBLE CAUSE

21	No engine braking in 1, 2, or 3 gear
DESCRIPTION	Engine speed drops to idle but vehicle coasts when accelerator pedal is released during cruising at medium to high speeds. Engine speed drops to idle but vehicle coasts when accelerator pedal is released in 1 range at low vehicle speed.
POSSIBLE CAUSE	Clutch slippage, burning (brake No. 1, reverse brake) Line pressure is low Output speed sensor malfunction Input/turbine speed sensor malfunction Sensor ground malfunction Control valve body malfunction Selector lever malfunction "O/D OFF switch is on" is not judged by TCM (short or open circuit, or poor operation) Malfunction of O/D OFF switch signal NOTE: Before following the troubleshooting steps, make sure that the on-board diagnosis and basic inspection have been conducted.

No engine braking in 1, 2, or 3 gear

DESCRIPTION

Engine speed drops to idle but vehicle coasts when accelerator pedal is released during cruising at medium to high speeds.
Engine speed drops to idle but vehicle coasts when accelerator pedal is released in 1 range at low vehicle speed.

POSSIBLE CAUSE

Clutch slippage, burning (brake No. 1, reverse brake)
- Line pressure is low
- Output speed sensor malfunction
- Input/turbine speed sensor malfunction
- Sensor ground malfunction
- Control valve body malfunction
- Selector lever malfunction
"O/D OFF switch is on" is not judged by TCM (short or open circuit, or poor operation)
- Malfunction of O/D OFF switch signal
  NOTE:
  - Before following the troubleshooting steps, make sure that the on-board diagnosis and basic inspection have been conducted.