Toyota Camry Hybrid AHV40 Manual page 232

EG-44
Control
1) General
The ETCS-i consists of the following four functions:
D ISC (Idle Speed Control)
D TRAC (Traction Control)
D VSC (Vehicle Stability Control)
D Cruise Control
2) Idle Speed Control
The THS ECU controls the throttle valve in order to constantly maintain an ideal idle speed.
3) TRAC Throttle Control
As part of the TRAC function, the throttle valve is closed by a demand signal from the skid control ECU
if an excessive amount of slippage is created at a driving wheel, thus facilitating the vehicle in ensuring
excellent vehicle stability and motive force.
4) VSC Coordination Control
In order to bring the effectiveness of the VSC function control into full play, the throttle valve angle is
controlled by effecting a coordination control with the skid control ECU.
5) Cruise Control
The THS ECU with an integrated cruise control ECU directly actuates the throttle valve for operation
of the cruise control.
ENGINE - 2AZ-FXE ENGINE