Engine Iveco C10/C13/C78/Cursor 13/Cursor 78. Manual — part 15
TECHNICAL VIEW
8527
000602t
WIRING DIAGRAM
PERSPECTIVE VIEW
000693t
Figure 98
SECTION 3 - INDUSTRIAL APPLICATION
37
Engine coolant temperature sensor
This N.T.C. type sensor located on the water outlet sump on the engine head left measures coolant temperature for the various
operating logics with a hot or cold engine and identifies injection enrichment requirements for a cold engine or fuel reduction
requirements for a hot engine.
It is connected to electronic center pins A5/A22.
Sensor behavior as a function of temperature:
- 10
°C
8,10
÷ 10,77 kOhm
+ 20
°C
2,28
÷ 2,72 kOhm
+ 80
°C
0,29
÷ 0,364 kOhm
At 60 to 90 _C, voltage at A5 and A22 ranges from 0.6 to 2.4V.
Connector
Function
Cable colour
2
To EDC center pin A 5
–
3
To EDC center pin A 22
–
Figure 99
Fuel temperature sensor
Specifications
Supplier
BOSCH
Max. tightening torque
35 Nm
TECNICAL VIEW
8527
8528
WIRING DIAGRAM
PERSPECTIVE VIEW
8529
8530
RESISTANCE TREND
38
SECTION 3 - INDUSTRIAL APPLICATION
Pin
Function
Cable colour
2
To pin 6 of EDC control unit
–
3
To pin 11 of EDC control unit
–
Figure 100
Pulse transmitter
Specifications
Supplier
BOSCH
Max. tightening torque
8
± 2 Nm
TECNICAL VIEW
8518
8519
WIRING DIAGRAM
Figure 101
8520
SECTION 3 - INDUSTRIAL APPLICATION
39
Pin
Function
Cable colour
1
To pin 1 of EDC control unit
–
2
To pin 13 of EDC control unit
–
3
Screens
–
TECHNICAL VIEW
WIRING DIAGRAM
PERSPECTIVE VIEW
8520
REFERENCE ON SOUND WHEEL
000606t
40
SECTION 3 - INDUSTRIAL APPLICATION
Distribution pulse transmitter
Features
Vendor
BOSCH
Torque
8
± 2 Nm
Resistance
880
÷ 920 Ω
This induction type sensor located on the camshaft generates signals obtained from the magnetic flow lines that close through the
6 plus 1 phase teeth of a sound wheel mounted on the shaft.
The electronic center uses the signal generated by this sensor as an injection step signal.
Though electrically identical to engine rpm sensor mounted in the camshaft in is NOT interchangeable with it as it cable is shorter
and it features a larger diameter.
This sensor’s air gap is NOT ADJUSTABLE.
Connector
Function
Cable colour
1
To EDC center pin A 2
–
2
To EDC center pin A 14
–
3
Shields
–
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