1-6
SYSTEM BLOCK DIAGRAM
To each power supply of sensors
ACT Relay
Main Relay
Battery
Diagnosis tool
I/F
Check engine lamp
Preheat lamp
Glow relay
Accelerator signal 1, 2
Diagnosis switch
Neutral switch
Engine rpm sensor
Sub-engine rpm sensor
Engine ECU
Engine
P
P
T
G
N
Common rail
EGR valve 1 (linear solenoid)
EGR valve 1 drive signal
Common rail pressure sensor 2
Common rail pressure sensor 1
Boost pressure sensor
Engine speed sub sensor
Engine speed main sensor
Engine lift sensor
Water temperature sensor
Intake throttle valve
Injector drive signal
Intake throttle valve drive signal
Supply pump control valve drive signal
Power supply to drive supply pump
Intake throttle valve (Rotary solenoid)
Fuel temperature sensor (Supply pump)
I
N
P
U
T
O
U
T
P
U
T
S/P
