Components Of Injection-Ignition System - Fiat Bravo Service Manual

Bravo-Brava ifit
INTEGRATED INJECTION-IGNITION
SYSTEM M. MARELLI-WEBER
I.A.W.-1AF.13
- Introduction
SYSTEM OPERATING STRATEGIES
- Signal management
- Injection management
- Fiat C O D E anti-theft function manage-
ment
- Ignition management
- Engine idle control
- Fuel vapour recirculation management
- Test management
- Heating/ventilation system management 13
Diagram showing Input/output
tween injection-ignition system sen-
sors/actuators
Air intake circuit management
Fuel supply circuit diagram
Fuel evaporation control circuit dia-
gram
Blow-by gas recirculation diagram)
Engine exhaust assembly diagram
Injection-ignition system wiring dia-
gram
Location of injection-ignition system
components in engine bay
INJECTION SYSTEM F U S E S AND
RELAYS
EARTH POINTS
COMPONENTS OF INJECTION-IGNITION
SYSTEM
Injection-ignition system wiring
Injection-ignition E C U
Rpm and T D C sensor
Timing sensor
Throttle case
Throttle position sensor
Intake air temperature sensor
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- Engine idle speed actuator
- Absolute pressure sensor
- Coolant temperature sensor
- Electric fuel pump
- Fuel filter
- Fuel manifold
- Fuel pressure regulator
- Carbon filter and fuel vapour
cut-off valve
- Multifunction valve
- Vehicle speed sensor
- Safety and ventilation valve
- Injectors
- Inertia safety switch
- Ignition coils
- Dual relay
- Lambda probe
CHECKS, ADJUSTMENTS AND REPAIRS
TO IAW INJECTION/IGNITION
SYSTEM.
Adjusting throttle cable
Removing-refitting fuel manifold with
injectors and pressure regulator
Checking fuel supply circuit
Checking engine idle speed
Checking levels of polluting
emissions
DIAGNOSIS
- System self-diagnosis
- Diagnosis using a Fiat/Lancia Tester
- Displayed parameters
- List of errors
- Active diagnosis
- Recovery
- Permanent memory
Engine
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