Injection Electronic Control Unit; Identifying Injection Control Unit Connections (Pin-Out) - Fiat Bravo Service Manual

Engine
Fuel system
10.
INJECTION E L E C T R O N I C C O N T R O L UNIT
The injection control unit processes signals from the various sensors by applying software algorithms and
controls the actuators accordingly (particularly the injectors and pressure regulator) to achieve the best
possible engine service conditions.
The control unit is "flash E.P.R.O.M." type, i.e. it can be reprogrammed from outside without andy need
to adjust the hardware.
The injection control unit contains a built-in absolute pressure sensor and is connected to the wiring bya
134 pin connector

Identifying injection control unit connections (pin-out)

1-01 Battery positive (+30) from main relay
1-02 Not connected
1-03 Not connected
1-04 Earth
1-05 Earth
1-06 Earth
1-07 Battery positive (+30) from main relay
1-08 Battery positive (+30) from main relay
1-09 Not connected
2-01 Glow plug timer signal
2-02 Clutch pedal switch
2-03 Climate control system activation request
2-04 Not connected
2-05 Not connected
2-06 Not connected
2-07 Not connected
2-08 Brake pedal switch
8
Bravo- Brava © ™
2-09 Not connected
2-10 Not connected
2-11 Not connected
2-12 Not connected
2-13 Positive (+15) from ignition switch
2-14 Not connected
2-15 Not connected
2-16 Not connected
2-17 Not connected
2-18 Not connected
2-19 Not connected
2-20 Not connected
2-21 Not connected
2-22 Not connected
2-23 Low radiator fan speed activation
quest
2-24 Not connected
3-01 Fuel temperature sensor earth
3-02 Not connected
3-03 Not connected
1998 range
4A08KJ01
re-
Publication n° 506.670/21