Bosch 1.5.5 System Control Unit Pin-Out; Connector B (Engine Side); Connector A (Vehicle Side) - Fiat Bravo Service Manual

Bravo-Brava
98 range

Connector B (engine side)

1 Sensors earth
2 Detonation sensor signal
3 Intake air temperature sensor signal
4 Butterfly position sensor signal
5 Coolant temperature sensor signal
6 Operation of injector for cylinder 1
7 Operation of injector for cylinder 4
8 Operation of Lanbda sensor heater
9 N.c.
10 Operation of coil for cylinders 2 / 3
11 Detonation sensor earth
12 Absolute pressure sensor signal
13 Butterfly position sensor signal
14 N.c.
15 N.c.
16 Operation of injector for cylinder 3
17 Operation of injector for cylinder 2
18 N.c.
19 Operation of coil for cylinders 2 / 3
20 N.c.
21 Lambda sensor earth
22 Engine speed sensor positive
23 N.c.
24 N.c.
25 N.c.
26 Operation of idle speed actuator
27 N.c.
28 Operation of coil for cylinders 1/4
29 Sensor supply
30 Lambda sensor signal
31 N.c.
32 Engine speed sensor negative
33 N.c.
34 Operation of charcoal filter solenoid valve
35 Operation of idle speed actuator
36 N.c.
37 N.c.
38 Operation of coil for cylinders 1/4
Copyright by Fiat Auto
16v
B O S C H 1.5.5 S Y S T E M C O N T R O L UNIT PIN-OUT

Connector A (vehicle side)

1 N.c.
2 Operation of rev counter
3 Operation of fuel pump relay
4 Operation of high speed fan relay
5 N.c.
6 N.c.
7 Control unit supply from relay ( + 3 0 )
8 Engine started signal (from ignition s w i t c h )
9 Operation of engine control system relay
10 N.c.
11 Line K
12 Operation of system failure light
13 Operation of low speed fan relay
14 N.c.
15 N.c.
16 CODE connection
17 Control unit supply from relay ( + 3 0 )
18 Control unit supply ( + 3 0 )
19 Operation of compressor relay (if fitted)
20 N.c.
21 N.c.
22 Power assisted steering sensor signal
23 N.c.
24 N.c.
25 N.c.
26 N.c.
27 Vehicle speed sensor signal
28 N.c.
29 N.c.
30 N.c.
31 Operation of compressor engagement
32 N.c.
33 N.c.
34 Four stage thermostat signal (if fitted)
35 Four stage thermostat signal (if fitted)
36 N.c.
37 N.c.
38 N.c.
E n g i n e
Fuel system
10.
17