Drive-By-Wire Control Block Diagram - Mazda RX-8 2004 Service Highlights

DRIVE-BY-WIRE CONTROL BLOCK DIAGRAM

• The PCM calculates a throttle valve opening angle matching the engine operation conditions from the following
input signals and sends a duty signal to the throttle valve actuator.
NEUTRAL SWITCH
CPP SWITCH
ECT SENSOR
IAT SENSOR
TP SENSOR
APP SENSOR
MAF SENSOR
ECCENTRIC SHAFT POSITION
SENSOR
IGNITION SWITCH
P/S SIGNAL (CAN SIGNAL)
VEHICLE SPEED SIGNAL
(CAN SIGNAL)
CRUISE CONTROL SWITCH
TR SWITCH (CAN SIGNAL)
BRAKE SWITCH NO.1
(CAN SIGNAL)
BRAKE SWITCH NO.2
(ANALOG SIGNAL)
REFRIGERANT PRESSURE SWITCH
(MEDIUM PRESSURE SWITCH)
GENERATOR CURRENT
TCM (CAN SIGNAL)
DSC HU/CM (CAN SIGNAL)
End Of Sie
CONTROL SYSTEM
PCM
CHU014000140S11
THROTTLE VALVE ACTUATOR
CHU0140S008
01–40–11
01–40