Honda Accord 2008 Manual page 1479

07/11/02 09:34:17 61TA0000_190_0058
VSA System Components
System Description (cont'd)
System Outline
This system is composed of the VSA modulator-control unit, the wheel speed sensors, the steering angle sensor, and
the yaw rate-lateral acceleration sensor, and the system indicators in the gauge control module. The VSA modulator-
control unit controls the ABS, EBD, TCS, VSA, and brake assist with the brake pressure of each wheel and reduces
engine torque.
＊０２
• Indicator drive signal
• Buzzer request signal
19-58
BRAKE
VSA
PARKING
FLUID
OFF
BRAKE
LEVEL
SWITCH
SWITCH
SWITCH
GAUGE CONTROL MODULE
• VSA OFF switch signal
• Parking brake switch signal
• Brake fluid level switch signal
• TPMS indicator signal
YAW RATE-LATERAL
ACCELERATION
SENSOR
• Yaw rate signal
• Lateral acceleration signal
STEERING ANGLE
SENSOR
Steering angle signal
• Solenoid control
• Motor control
BRAKE
PEDAL
POSITION
SWITCH
ECM/PCM
• Engine torque control request
• Control mode signal
CONTROL UNIT
Brake pressure
signal
MODULATOR UNIT
• VSA control enable/disable
• Throttle open angle signal
• Engine revolution signal
• Brake pedal
position switch signal
• Service check signal
• Gear position signal
WHEEL SPEED SENSOR
Wheel rotation
pulse signal
TPMS
CONTROL
UNIT
TPMS
indicator
signal
VSA MODULATOR-
CONTROL UNIT
Communication via F-CAN