Operating Condition Transition Diagram; Controller Area Network (Can) Outline; Data Sent; Data Received - Mazda RX-8 2004 Service Highlights

Operating Condition Transition Diagram

HIGH
SPEED
0
REAR SOLENOID
VALVE CONTROL
PRESSURE REDUCTION
PRESSURE MAINTAINED
PRESSURE INCREASE
HIGH
BRAKE FLUID
PRESSURE
0
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CONTROLLER AREA NETWORK (CAN) OUTLINE

• The ABS HU/CM sends and receives data to and from other modules via the CAN system. Refer to Section 09
for a detailed explanation of the CAN system.

Data sent

• Travelled distance
• Brake system condition
• Wheel speeds of all four wheels
• ABS wheel-speed sensor condition

Data received

• Tire size
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ANTILOCK BRAKE SYSTEM
EBD INITIAL CONTROL VALUE
ABS INITIAL CONTROL VALUE
0 1
EBD CONTROL AREA
VEHICLE SPEED
2 3 4
ABS CONTROL AREA
WHEEL SPEED
(REAR)
WHEEL SPEED
(FRONT)
TIME
04–13
FRONT BRAKE
FLUID PRESSURE
REAR BRAKE
FLUID PRESSURE
TIME
CHU0413S012
CHU041343000S04
04–13–9