Operating Condition Transition Diagram; Controller Area Network (Can) Outline; Data Sent; Data Received - Mazda 2006 MX-5 Service Highlights

Operating Condition Transition Diagram

HIGH
SPEED
0
REAR SOLENOID
VALVE CONTROL
PRESSURE REDUCTION
PRESSURE MAINTAINED
PRESSURE INCREASE
HIGH
BRAKE FLUID
PRESSURE
0
End Of Sie

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. (See 09–40–1 CONTROLLER AREA NETWORK (CAN) SYSTEM
OUTLINE.)

Data sent

• Brake system condition
• Wheel speeds of all four wheels
• Brake system warning light illumination request
• ABS warning light illumination request

Data received

• Brake pedal position
• Tire size
End Of Sie

ABS WHEEL-SPEED SENSOR AND ABS SENSOR ROTOR FUNCTION

• The ABS wheel-speed sensor and ABS sensor rotor detect the rotation condition of each wheel and transmit
this information to the ABS HU/CM.
• The signal from the ABS wheel-speed sensor is the primary signal that the ABS HU/CM uses when carrying
out control.
End Of Sie
04–13–10
ANTILOCK BRAKE SYSTEM
EBD INITIAL CONTROL VALUE
ABS INITIAL CONTROL VALUE
0 1
EBD CONTROL AREA
VEHICLE SPEED
2 3 4
REAR
WHEEL SPEED
FRONT
WHEEL SPEED
TIME
FRONT BRAKE
FLUID PRESSURE
REAR BRAKE
FLUID PRESSURE
TIME
ABS CONTROL AREA
C3U0413S012
E5U041343750N09
E5U041343720N01