CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostics with Phenomenon
INSPECTION
Symptoms | Faulty parts |
Engine stalls when driving in “D” or “R” range, or selecting “N” > “D”, “N” > “R”. |
• Control valve
• Engine control system
While driving in “D” range, vibration occurs immediately before the stop or engine stalls.
• Control valve
• Torque converter
Vehicle cannot shift while driving in “D” range.
• Control valve
• TCM
• Shift mechanism
• Power supply system
Excessive shock when selecting “N” > “D”, and “N” > “R”.
• Control valve
• TCM
• F&R clutch pack
• ATF deterioration or lack
Excessive shock at standing start in “D” range.
• Control valve
• TCM
• F&R clutch pack
• ATF deterioration or lack
Engine speed increases abruptly during driving in “D” or “R” range.
• Control valve
• Secondary pressure sensor
• F&R clutch pack
• ATF deterioration or lack
Vehicle can not start when depressing the accelerator pedal in “D” or “R” range, or acceleration is very poor. (without abrupt engine increase)
• Control valve
• F&R clutch pack
• Shift mechanism
• Parking mechanism
• Engine control system
• Power supply system
Shift indicator in combination meter displays the position which differs from select lever position.
• Inhibitor switch
• Select cable related
• Combination meter
Manual mode enters even though the select lever and paddle shift switch is not operated.
• Manual mode switch
• Paddle shift switch
• Select lever
• TCM
Engine speed increases abruptly in “D” or “R” range, vehicle can not start.
• F&R clutch pack
• Select cable related
Manual mode can not be set
• Select lever
• TCM
Installation
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