Circuit description
The
Delphi
E3 electronic unit injectors used on the tier3
engines have two electronically controlled solenoids.
Each solenoid is individual controlled by the engine
control unit.
The unit injectors receive voltage from pin 59, 60, 61
or 62 on the engine control unit. To activate a unit
injector solenoid the engine control unit connects the
unit injectors low side to battery negative.
Measurements
Trimming the injector page 175
Checking the injector wiring page 176
a
b
59
62
12
16
20
24
28
32
60
52
56
61
44
48
36
40
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
1
2
3
4
5
6
P0008674
a Connector A
b Cylinder
P0013523
30-2 Fault Tracing
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