No.22 No Engine Braking In 2 Range: Notes

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

NO ENGINE BRAKING IN 2 RANGE - DESCRIPTION AND POSSIBLE CAUSES

22	No engine braking in 2 range
DESCRIPTION	Engine speed drops to idle but vehicle coasts when accelerator pedal released during cruising at medium to high speeds. Engine speed drops to idle but vehicle coasts when accelerator pedal released when in 2 range at low vehicle speed.
POSSIBLE CAUSE	Clutch slipped, burned (Reduction brake) Line pressure low Malfunction of VSS Malfunction of input/turbine speed sensor Malfunction of sensor ground Malfunction of control valve body O/D OFF switch on not judged by TCM (short, or open circuit, poor operation) Malfunction of O/D OFF switch signal NOTE: Before following troubleshooting steps, make sure that Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.

No engine braking in 2 range

DESCRIPTION

Engine speed drops to idle but vehicle coasts when accelerator pedal released during cruising at medium to high speeds.
Engine speed drops to idle but vehicle coasts when accelerator pedal released when in 2 range at low vehicle speed.

POSSIBLE CAUSE

Clutch slipped, burned (Reduction brake)
- Line pressure low
  - Malfunction of VSS
  - Malfunction of input/turbine speed sensor
  - Malfunction of sensor ground
  - Malfunction of control valve body
- O/D OFF switch on not judged by TCM (short, or open circuit, poor operation)
  - Malfunction of O/D OFF switch signal
NOTE:
- Before following troubleshooting steps, make sure that Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.