Fiat Bravo Service Manual page 210

Bravo-Brava ifpt** Engine
■ - ,■"•■■ •• ■ -...' • - , .';• Index
10.
page
HITACHI INTEGRATED INJEC­
TION/IGNITION SYSTEM 1
- Diagram showing operation of
HITACHI injection/ignition system 2
- Diagram showing information arriving
at/leaving control unit and sensor/actua­
tors HITACHI injection/ignition
system 3
- Location of HITACHI injection/ignition
system components in engine compar­
tment 4
SYSTEM MANAGEMENT STRATE­
GIES 5
- Signal management 7 5
- Injection management 6
- FIAT CODE anti-theft system manage- .
ment .10
- Ignition management 11
- Engine idle control management 13
- Charcoal filter management 13
- Radiator fan management 14
- Climate control system management 16
DIAGNOSIS 17
19
20
- page
DIAGRAM SHOWING INLET CIRCUIT
32
INLET CIRCUIT 33
- Butterfly casing 33
• - ■ Engine idle speed adjustment
solenoid valve 34
DIAGRAM SHOWING FUEL SUPPLY
' CrRCUIT 35
FUEL SUPPLY CIRCUIT 35
- Electric fuel pump 36
- Fuel filter . 36
- Inertia safety switch - 37
- Anti-flow single-acting valve 37
•' . * Fuel manifold 38
- Fuel pressure regulator 38
- Injectors 39
EMISSION CONTROL DEVICES 40
. ..- Catalytic silencer 40
- Fuel anti-evaporation system 41
- Crankcase gases recirculation system
(blow-by) 45
TIGHTENING TORQUES 46
CHECKS, ADJUSTMENTS AND REPAIR
OPERATIONS
ON HITACHI MPI SYSTEM 47
- Fuel supply circuit 47
- Fuel circuit pressure Checks 50
- Inlet circuit 52
- Electrical circuit 54
CHECKING EMISSION CONCENTRA­
TION 57
CHECKING ENGINE IDLE SPEED 58
CHECKING IGNITION ADVANCE 58
/ r HITACHI system control unit pin-out 21
- > HITACHI system wiring diagram 22
- System relays 23
- Engine rp'rrusensor 24
- Engine timing sensor 25
- Air flow meter 26
- Lambda sensor 27
- Butterfly position sensor 28
- .Engine coolant temperature sensor 28
- Vehicle speed sensor 29
- Detonation sensor 29
T Ignition system 30
- ■ Ignition power module 31
. - ■ Ignition coil 31
Copyright by Fiat
RECOVERY STRATEGIES
ELECTRICAL/ELECTRONIC CIRCUIT
I HITACHI system control unit pin-out
->. HITACHI system wiring diagram
- System relays .
- Engine rp'rrusensor
- Engine timing sensor
- Air flow meter
- Lambda sensor
- Butterfly position sensor
- .Engine coolant temperature sensor
- Vehicle speed sensor
- Detonation sensor
T Ignition system
- ■ Ignition power module
. - ■ Ignition coil