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Fiat MULTIPLA 1.6 16v da 09/03 – SUPPLY – – GPOWER – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram

Components

Component code	Name	Assembly reference
A1	Battery	B1	Junction unit	B5	MAXI FUSE box	B7	Fuse (MAXI FUSE) for ABS	-
B7	Fuse (MAXI FUSE) for ABS	-
B8	Engine fan fuse (MAXI FUSE)	-
B8	Engine fan fuse (MAXI FUSE)	-
B12	Headlamp washer fuse	-
B13	Fog lamp fuse	-
B14	Sun-roof fuse	-
B19	Door lock fuse	-
B22	Driver's side front window fuse	-
B25	Ignition-operated services supply fuse 1554	-
B25	Ignition-operated services supply fuse 1554	-
B26	Fuse power supply ignition operated excl ignition (INT/A)	-
B26	Fuse power supply ignition operated excl ignition (INT/A)	-
B27	Fuse power supply ignition operated excl ignition (INT/A)	-
B27	Fuse power supply ignition operated excl ignition (INT/A)	-
B28	Petrol pump fuse	-
B29	Injector fuse	-
B31	ABS fuse	-
B35	Injection memory and CODE fuse	-
B37	Fuse (MAXI FUSE) spark plug and diesel preheating	-
B37	Fuse (MAXI FUSE) spark plug and diesel preheating	-
C001	Battery earth ( BATTERY NEGATIVE )	-
C10	Left front earth	-
C10	Left front earth	-
C60	Earth on engine	-
C60	Earth on engine	-
D4	Front/engine junction	-
D4	Front/engine junction	-
H1	Ignition switch	H5	Stalk unit	H5	Stalk unit	J010	Fuel injection main relay ( ENGINE )	-
J15	Fuel pump relay	-
J25	Methane solenoid relay	-
J45	Dipped beam maintenance relay	-
J45	Dipped beam maintenance relay	-
J61	Seat ride and power point relay	-
J65	Front electric window relay	-
J66	Rear electric window relay	-

Location of components

Components

Component code	Name	Assembly reference
A1	Battery	B1	Junction unit	B5	MAXI FUSE box	B7	Fuse (MAXI FUSE) for ABS	-
B7	Fuse (MAXI FUSE) for ABS	-
B8	Engine fan fuse (MAXI FUSE)	-
B8	Engine fan fuse (MAXI FUSE)	-
B12	Headlamp washer fuse	-
B13	Fog lamp fuse	-
B14	Sun-roof fuse	-
B19	Door lock fuse	-
B22	Driver's side front window fuse	-
B25	Ignition-operated services supply fuse 1554	-
B25	Ignition-operated services supply fuse 1554	-
B26	Fuse power supply ignition operated excl ignition (INT/A)	-
B26	Fuse power supply ignition operated excl ignition (INT/A)	-
B27	Fuse power supply ignition operated excl ignition (INT/A)	-
B27	Fuse power supply ignition operated excl ignition (INT/A)	-
B28	Petrol pump fuse	-
B29	Injector fuse	-
B31	ABS fuse	-
B35	Injection memory and CODE fuse	-
B37	Fuse (MAXI FUSE) spark plug and diesel preheating	-
B37	Fuse (MAXI FUSE) spark plug and diesel preheating	-
C001	Battery earth ( BATTERY NEGATIVE )	-
C10	Left front earth	-
C10	Left front earth	-
C60	Earth on engine	-
C60	Earth on engine	-
D4	Front/engine junction	-
D4	Front/engine junction	-
H1	Ignition switch	H5	Stalk unit	H5	Stalk unit	J010	Fuel injection main relay ( ENGINE )	-
J15	Fuel pump relay	-
J25	Methane solenoid relay	-
J45	Dipped beam maintenance relay	-
J45	Dipped beam maintenance relay	-
J61	Seat ride and power point relay	-
J65	Front electric window relay	-
J66	Rear electric window relay	-

DescriptionThe entire electrical system has been designed and constructed in accordance with the most up-to-date guidelines concerning safety and protection, especially against fire risks.There are two main kinds of protection:active protection, aimed at reducing possible causes of faults 'at source';passive protection, aimed at minimizing the effects of a possible fault.The first category involves careful design of wiring with thorough positioning and anchorage. Wiring is shielded and protected and the routes are carefully determined. Modifications have therefore been made to the alternator and starter motor cables, with the adoption of protective caps.Passive protection instead includes all the interventions, which have always been adopted on vehicles, to reduce high fault currents (overload and short circuit).All the fuses included in the system have been rated on the basis of the nominal absorption of the loads which cannot be served simultaneously, and so as to ensure intervention in the case of a definite short circuit.All the electrical systems are supplied by the battery at a voltage of 12. V. The battery is, in turn, recharged by the alternator 2889333SeeE5010STARTING AND RECHARING during engine operation. The main supply lines are protected by maxifuses, contained in two fuse boxes located near the battery and supplied directly from the latter.The power supplies for all the services and systems are protected by specific fuses, contained in the junction unit, or shunt fuses. The shunt fuses are located under the dashboard either just above the junction unit, or on the right above the glove compartment.All the power supplies are thus protected, except for the starter motor cable (battery-starter motor) and recharging cable (starter motor-alternator): these are protected by an additional shielded sheath.Some circuits are supplied continuously, even if the vehicle is stopped and the ignition is off, as they are connected directly to the battery.Other circuits are supplied by turning the ignition key to various different positions:when the key is inserted and turned to the first click, the ignition is turned on (MAR position) and several circuits are supplied, which are thus called 'ignition-operated' (lines 'INTE' and '15/54');the second click - start up position - supplies the starter motor; (line '50')., disconnecting some circuits (those which absorb most power), thus ensuring the maximum flow of current to the starter motor; ('INT/A' line).on the other hand, by extracting the key and turning it in the opposite direction (and pressing the special button) the PARK position is engaged which supplies the side lights even with the key switched off ('STAZ' and 'POS' lines);2888812SeeE2010SIDE LIGHTS / NO. PLATE LIGHTS767The lines through which the supply is distributed to the various electrical devices are shown on the wiring diagrams relating to the various functions and systems. This general diagram shows all the lines which depart from the battery, the maxifuse boxes and the ignition switch; reference should be made to the specific diagrams for greater detail.

Functional description All the electrical equipment and systems are supplied by the battery A1.The main supply lines are protected by the maxifuse box B5 which contains the fuses named according to the circuits protected:EFI: supply for fuses and relays for engine managementIGN: ignition switch H1 supply;J/B2 and J/B1: supply for services through junction unit B1 fuses.Other maxifuse fuses are located individually in the engine compartment and protect the following systems: B7 ABS supply; B8 engine cooling fan supply; Other bridge fuses are located in the compartment on the dashboard, driver's side, next to the junction unit B1 ; others are located in the relay and fuse unit in the engine compartment. Other circuits are supplied by turning ignition key H1 to various different positions:in the ON position, numerous circuits and services controlled by the ignition (INT line) are supplied, protected by fuses for the junction unit B1 and (line 15/54) by fuses B25 and B31 ;in the AVV position - the starter motor is supplied; (line '50')2889333SeeE5010STARTING AND RECHARINGIn this position several circuits are disconnected (line 'INT/A'). protected by fuses B26 and B27 ;in the PARK position the side lights are supplied ('STAZ' and 'POS' lines);2888812SeeE2010SIDE LIGHTS / NO. PLATE LIGHTS