Other information:
A vehicle has the tendency to roll
back on a steep hill when it starts to
go after stopping. The Hill-start
Assist Control (HAC) prevents the
vehicle from rolling back by applying
the brakes automatically for about 2
seconds. The brakes are released
when the accelerator pedal is
depr ...
Description
•
Underdrive brake control solenoid valve is a Variable Force Solenoid (VFS) type.
•
When TCM supplies variable current to solenoid valve, hydraulic pressure of underdrive brake is controlled by solenoid valve.
Underdrive brake control solenoid valve operation ...