VSA System Description - System Diagram
The system diagram of the VSA system is shown below.

For locations of each component on vehicle, refer to Component Location Index:
F-CAN Communication Data
VSA System Receiving Signal
Transmitting Unit
Signal Name
PCM
VSA control enable/disable signal
Accelerator pedal position signal
Engine speed signal
Engine torque signal
Neutral position sensor signal*1
Brake pedal position switch signal
Integrated drive-mode signal*4/*5
Service check signal
System failure information
TCM*2
Shift position signal
System failure information
Gauge control module
VSA OFF switch signal
Brake fluid level switch signal
Parking brake switch signal
Automatic brake hold switch signal
SRS unit
Yaw rate signal
Lateral acceleration signal
Longitudinal acceleration signal
Driver's seat belt buckle switch status
System failure information
EPS control unit
Steering angle signal
Millimeter wave radar*3
Deceleration request signal
Brake light relay control request signal
System failure information
*1: M/T
*2: CVT
*3: With ACC
*4: Si
*5: Type-R

VSA System Transmitting Signal
Transmitting Unit
Signal Name
VSA modulator-control unit
Engine torque control request signal
Shift control request signal*
System operating state signal
Wheel speed signals
Master cylinder pressure signal
Buzzer request signal
Vehicle understeering status
Estimated longitudinal acceleration signal
Estimated L/R ? differential signal
Indicator drive request signal
System failure information
*: CVT