Mazda B-Series - Block Diagram

Control System WL-C Engine
Block Diagram
Input
PCM Control
Strate
g
ies
Output
Battery
CPP switch
Neutral switch
APP sensor Fuel metering valve
Idle switch Fuel injectors
MAF sensor / IAT sensor no.2 VBC solenoid valve
ECT sensor VSC solenoid valve
Fuel temperature sensor EGR solenoid valve
BARO sensor EGR control solenoid valve
MAP sensor / IAT sensor no.1 ISV solenoid valves (half, full)
Fuel pressure sensor Glow indicator light
CMP sensor Glow plug relay
CKP sensor A/C relay
Vehicle speed signal Immobiliser module
A/C switch MIL
EGR valve position sensor
Exhaust shutter solenoid
valve
Immobiliser module
Warm up switch
BT-50_T01007
Idle speed control
Glow control
Variable boost
control
Variable swirl control
Fuel injection amount
control
Fuel injection timing
control
Multiple fuel injection
control
Fuel pressure control
EGR control
A/C cut-off control
Immobiliser-related
information
OBD
Warm up system
control
01-44 Service Training BT-50