Fiat 1996 Brava Service Manual page 250

Bravo- Brava IP''«*
'98 range
BOSCH Ml.5.5 INTEGRATED IN­
JECTION - IGNITION SYSTEM
Introduction
Operating diagram
Diagram showing information input
and outputs between cdritrol unit and
BOSCH M1.5.5 injection-ignition
system sensors and actuators in the
engine bay.
- Location of BOSCH M1.5.5 injec­
tion-ignition system components in
the engine bay
SYSTEM
CONTROL STRATEGIES
- injection management
- Fiat-CODE anti-theft function man­
agement
Ignition management
Engine idle speed management
Activated carbon filter flushing
management
Climate control system manage­
ment
Radiator fan management
FAULT DIAGNOSIS
Tester connection location
Recovery strategy
ELECTRIC/ELECTRONIC CIRCUIT
- BOSCH M1.5.5 system control unit
pin-out
- BOSCH M1.5.5 system wiring dia­
gram
Fuse and relay location
Engine speed and f DC sensor
- Lambda sensor
Engine coolant temperature sensor
Intake air pressure and temperature
sensor . "
Vehicle speed sensor
- Power steering sensor
- Knock sensor
Ignition coils
INTAKE CIRCUIT
Throttle body
Engine idle speed actuator and
throttle position sensor
page
1
2
FUEL FEED CIRCUIT
Fuel circuit diagram
Fuel carrier assembly
Fuel manifold
Injectors
Safety inertia switch
Engine
Contents
10.
page
31
32
32
33
33
34
EMISSION CONTROL DEVICES
35
3
4
5
6
9
10
12
.12
13
14
15
15
15
16
17
18
18
22
24
25
26
27
27
27
28
29
30
30
Catalytic converter
Engine exhaust assembly diagram
Evaporation control circuit diagram
Evaporation control system compo­
nents
Diagram showing crankcase blowby
gaS recirculation
CHECKS, ADJUSTMENTS A N D
REPAIRS TO THE BOSCH M l . 5 . 5
SYSTEM
- Checking emission levels
Checking engine idle speed
- Checking ignition advance
Fuel feed circuit tests
FUEL CARRIER UNIT
Removing-refitting
FUEL MANIFOLD A N D INJEC­
TORS
- Removing-refitting manifold
Removing-refitting injectors
THROTTLE BODY
Removing-refitting
THROTTLE CONTROL CABLE
Adjustment
Removing-refitting
ENGINE IDLE A D J U S M E N T
ACTUATOR/THROTTLE POSITION
SENSOR
Removing-refitting
ENGINE CONTROL UNIT
- Removing-refitting
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37
38
40
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41
42
42
43
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48
49
49
50
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