Honda ACCORD HYBRID 2005 Service Manual page 1387

7VBS
System Control Diagram
C A N Communication
• Acceleration Pedal Position Signal
• Brake Pedal Position Switch Signal
• Transmission Range Switch Signal
• Idle Stop Signal
Wheel Sensor
• Wheel Speed Signal
Pressure S e n s o r
• Master Cylinder Pressure Signal
A B S / T C S Control Unit
• ABS/TCS Failure Signal
C A S Control Time Table
A B S / T C S Control Unit
I
C A S Operation Timer
Vehicle S p e e d J u d g e m e n t
• Stop
• Initial Control
• Normal Control
• Normal Completion
• Forced Completion
C A S Control Permission
J u d g e m e n t
3
C A S Regulator Valve
Wheel Speed
Signal
Brake Pedal Position ON
Signal
O F p
CAS Operation
Timer
Acceleration Pedal
Position Signal
Idle Stop Signal
CAS Regulator Valve
Driving Current
Master Cylinder
Pressure Signal
Operation
Threshold
CAS Forced Stop
Timer
(Upper)
(Lower)
*1: The timer is set when the brake position signal is OFF, or the master cylinder pressure is lower than the threshold.
*2: The CAS operation is completed.
*3: When the master cylinder pressure is reduced rapidly, and drops lower than the upper threshold, the CAS regulator
valve is driven.
*4. The CAS system stops operation to protect the ABS/TCS modulator-control unit after a specified time period,
even if the system is still operating.
(cont'd)
19-43