Alfa Romeo 159 Training Material page 88

ENGINE
The connections to the engine ECU of each injector are:
CONNECTION TO ECU
High pressure injector cylinder 1
- connector pin 1 to ECU pin 50 side A (pole +)
- connector pin 2 to ECU pin 49 side A (pole -)
High pressure injector cylinder 2
- connector pin 1 to ECU pin 47 side A (pole +)
- connector pin 2 to ECU pin 48 side A (pole -)
High pressure injector cylinder 3
- connector pin 1 to ECU pin 32 side A (pole +)
- connector pin 2 to ECU pin 33 side A (pole -)
High pressure injector cylinder 4
- connector pin 1 to ECU pin 35 side A (pole +)
- connector pin 2 to ECU pin 34 side A (pole -)
TECHNICAL SPECIFICATIONS:
Working pressure
At start-up
Reference
Maximum admitted
Maximum temperature of injector nozzle
Tightness and flow are ensure by the system up to 1 milligrams of impurity for the entire life of the product.
REMOVAL/REFITTING: The injector is fitted on the fuel rail. The combustion chamber o-ring must not be lubricated.
A maximum force of 200 N can be applied to fasten the injector to the head. A specific tool is needed to remove the
injector. When refitting, replace the teflon ring, the guide plate and the o-ring. Calibrate the teflon ring with a specific
tool.
Injector removal tools:
A: (0 986 616 100)
B: (0 986 616 101)
Slant the tool to remove the injector along the installation
axis of the valve.
Traccia Didattica Alfa 159-en-ridotta
ALFA 159 TRAINING MATERIAL
CONNECTOR
0.4 MPa
10 MPa ± 25 kPa
14 MPa
< 170°C
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