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Common rail(delphi)

Được đăng lên bởi Maybach060
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COMMON RAIL
(Delphi)

Chonan Technical Service Training Center

Fuel System

Common Rail System

Common Rail System

Injector

Linear
rail

HP pump
Electronic
control unit
Fuel filter

Diesel injection main
Components

Common Rail System

Injector

Linear
rail

HP pump
Electronic
control unit
Fuel filter

Diesel injection main
Components

High Pressure Pump

Transfer pressure
regulation valve
Diesel oil
temperature sensor
LP supply
Venturi
Pressure limiter

IMV
HP outlet (to the
rail)

High Pressure Pump
1

Inlet Metering
Valve(IMV)

2

Hydraulic Head

3

Plunger

4

Drive Shaft +
Cam Ring

5

Housing

6

Roller + Shoe

7

Transfer Pressure
Pump

8

Temperature
Sensor

9

Venting

10

Outlet High
Pressure Flange

11

Transfer Pressure
Regulator

High Pressure Pump

High Pressure Pump

High Pressure Pump

Low Pressure(Feed) Pump of High Pressure Pump

Common Rail (Linear Rail)

Common Rail (Linear Rail)

Common Rail (Linear Rail)

High Pressure Pipes

1.

4 HP pipes rail / injector

2.

1 HP pipe pump / rail

If the Injector or main rail feed pipes are
removed they MUST BE REPLACED WITH
NEW

Injector

Injector Operation

Injector Operation (Phase 1)

Injector Operation (Phase 2)

Injector Operation (Phase 3)

Injector Operation (Phase 4)

Calibration Individual Injector

CII for A/S

CII for
production

Individual Injector Correction

Selection of
Injector
to change CII

To display
Current
CII

To erase
Current
CII

* CII : Calibration Individual Injector

Information

Cleared(Default Value)

If CII is cleared from ECM
- DTC(P1300 INJECTOR CORRECTION DATA)is set
- Failsafe mode and fixed 1250rpm
- No acceleration
- Check engine lamp “on”

Ignition ON, Engine Stop
The correction is impossible on Engine Running Condition

ECM

Connection

Input
AFS / Output
Accelerator pedal
sensor
CMP sensor
CKP sensor
Rail Pressure sensor
Knock
sensor(Accelerometer)
Fuel Temperature
sensor
ECT sensor
IAT sensor
Vehicle Speed sensor
Brake switch
Clutch switch(M/T)
A/C switch
A/C Pressure sensor

ECM

Main Relay
Injector
Cooling Fan control
Air Heater
EGR Valve
MIL lamp
Inlet Metering Valve

IMV (Inlet Metering Valve)

IMV (Inlet Metering Valve)

Fuel Temperature Sensor

Venturi

Auxiliary

Air Intake Heater

Air Intake heater

Air Intake manifold

Air Intake Heater

Heater element

Air Intake Heater
CMEC2

Battery voltage

CMED2

+Bat

Coolant temperature
Flow requested

AH control relay

ECM
DCU

Engine speed
Atmospheric pressure

CMIJ...
COMMON RAIL
COMMON RAIL
(Delphi)
(Delphi)
Chonan Technical Service Training Center
Common rail(delphi) - Trang 2
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Common rail(delphi) 9 10 823