izuzu 4hk1.PDF


Aperçu du fichier PDF izuzu-4hk1.pdf - page 6/48

Page 1...4 5 67848



Aperçu texte


2-2. Outline of System
A. Composition
The common rail system consists primarily of a supply pump, rail, injectors, and engine ECU.
a.

4HK1

Fuel temperature sensor
Vehicle speed
Accelerator opening
Intake air pressure
Intake air temperature
Coolant temperature
Crankshaft position
Cylinder recognition sensor

Engine ECU

Intake airflow rate
Rail

Pressure
limiter

Injector

Rail pressure
sensor

Fuel temperature
sensor

Supply pump

SCV (suction
control valve)

Fuel tank
Q000737E

b.

6HK1

Fuel temperature sensor
Vehicle speed
Accelerator opening
Intake air pressure
Intake air temperature
Coolant temperature
Crankshaft position
Cylinder recognition sensor

Engine ECU

Intake airflow rate
Rail

Pressure
limiter
Injector

Rail pressure
sensor

Fuel temperature
sensor

Supply pump

SCV (suction
control valve)

Fuel tank
Q000523E

-4-