Fiat Barchetta 1998 Manual Download Page 111

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Summary of Contents for Barchetta 1998

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Page 2: ...ipment wiring diagrams for 98 range version 1 55 4 506 586 09 IXj98 55 1 2 Clarion radio Electrical equipment predisposition cell phone 506 586 10 X 98 55 1 2 506 586 12 Vf99 10 31 32 Update fuel syst...

Page 3: ...omponents 2 Cylinder head and timing gear 4 Lubrication Cooling system 6 Fuel system 7 GEARBOX AND DIFFERENTIAL 8 WHEELS 10 ELECTRICAL SYSTEM Starting Recharging 11 12 13 SPECIAL TOOLS 14 For aspectsn...

Page 4: ...n defined during homologation tests which include an urban cycle which includes a cold start followed by a simulated varied urban journey a non urban cycle which includes frequent accelerations in all...

Page 5: ...1 1 0 7 10 8 6 MEASUREMENTS AND FITS Values in mm 1 220 1 240 Piston ring grooves 3 1 205 1 225 2 010 2 030 1 1 160 1 180 L 2 1 170 1 190 5 1 970 1 990 3 Piston rings 0 4 1 c 2 5 1 Piston ring end gap...

Page 6: ...52 982 52 988 8 A B 50 799 50 805 Crank pins 50 793 50 799 5Zf2 c 50 787 50 793 26 829 26 879 L 1 831 1 837 Main bearings L 1 836 1 844 9 1 843 1 849 0 254 0 508 flJ 0 031 0 062 A 0 023 0 058 B Main...

Page 7: ...mm MEASUREMENTS AND FITS 12 950 1 2 977 45 i 5 12 45 l 5 about 2 cm3 39 0 5 7 022 7 040 13 01 0 13 030 0 05 0 10 0 25 0 033 0 080 6 975 6 990 6 976 6 990 33 400 33 700 45 30 i 5 44 30 i 5 6 960 6 975...

Page 8: ...Technical data Engine cylinder headandtiming gear Fiat barchetta 98 range TIMING DIAGRAMS 1 1 5 Copyright Fiat Auto...

Page 9: ...ulating valve 1 5 bar when idliru Operating pressureat temperatureof 100 C 4 bar at 4000 rpm COOLING SYSTEM coolant circulation by centrifugal pump radiator additional expansion tank and electric fan...

Page 10: ...cage NTK OZA334 A3 lambda probe HITACHI GL 108771 Idle speed actuator Thottle valve position sensor potentiometer HITACHI GL 212875 M MARELLI EC1 Fuel vapour control solenoid HITACHI GL 212999 Variabl...

Page 11: ...al Fiat barchetta 98 range GEARBOX C 510 5 17 Type s pring O W ring _ l Porsche type a 0 0 free ring Synchronizers spur teeth Gears helical teeth 3 909 2 238 f 00 00 00 00 1 520 1 156 Gear ratios 0 97...

Page 12: ...se beari Q by shims 0 preload Bearing adjustment 0 1 70 2 89 mm 0 07 Spare shim thickness daNm 0 10 0 14 Bearing rolling torque 2 Specified interfer ence for obtaining correct bearing preload bearings...

Page 13: ...nflation pressure 2 8 bar vehicle unladen WHEEL GEOMETRY 1 0 i 30 camber 30 i 30 caster Front suspension O l 1mm toe in front wheel offset 0 0 40 i 30 camber 0 7 3 3 mm toe in Rear suspension rear whe...

Page 14: ...lli A1271 14V 55 1 OOA 8 ALTERNATOR Built in electronic VOLTAGE REGULATOR 12V 50 Ah 250A BATTERY HITACHI integrated electronic fuel injection ignition IGNITION SYSTEM HITACHI GE 212331 IGNITION COIL C...

Page 15: ...rating test current speed voltage torque developed 680 700 4 9 3 11 A V daNm Engagement test current voltage torque developed Free running test current voltage speed 60 80 11 1 4040 A V rpm Contactor...

Page 16: ...nding resistance between the slip rings 2 6 I 5 2 8 1 5 0 Direction of rotation viewed from drive side clockwise Power rectifier diodes preconstituted bridge Data measuredat an ambient temperatureof 2...

Page 17: ...mpressor electro magnetic coupling 1860644020 Part for removing and refitting valves 1860700000 Band flJ60 125 mm for in stalling normal and oversize pis tons in cylinders 1860758000 Tool for removing...

Page 18: ...ller bearings n A T Differential internal housinq bearina 0 CO by shims Adiustment of bearina ore ioadina 007 1 70 2 89 mm 0 10 0 14 daNm n 6 Bearin rollinQ torque Interference to obtain exact bearing...

Page 19: ...57 19 80 20 10 18 55 18 20 allowed allowed 0 0 Brake servo Distance of hydraulic piston push rod from master cylin der support plate L REAR BRAKES 0 240 10 80 11 10 10 10 1 9 20 allowed allowed 1 5 34...

Page 20: ...nd pinion power assisted 2 45 f no of turns lock to lock 125 mm Ratio rack travel r I L I Minimum turning circle 10 5 I m I 1 a1 t outer wheel 30 f 30 XI Inner wheel 32 45 i 30 X2 Steering angle Steer...

Page 21: ...wheels A A Speedlimit 80 km h Inflationpressure 4 2 bar with vehicle unladen WHEEL GEOMETRY camber 1 1 30 caster 3 1 30 Front suspension toe in O i 1 mm wheel fro O 1 _ flr camber 0 40 30 fUV 0 7 3 3...

Page 22: ...1 for those under a 340 daN load of having a height of mm 164 I green 1 for those under a load of having a height I of mm 164 340 daN Anti roll bar 19 Anti roll bar diameter mm 1 Springs of the same...

Page 23: ...yellow 1 for those under a 284 daN load of having a height of mm 159 green 1 for those under a load of having a height of mm 159 284 daN 1 When fitting match springs of the same type Shock absorbers 2...

Page 24: ...4V 38 65A ALTERNATOR M MarelliA127IR 14V 55 100A 8 VOLTAGE REGULATOR Built in electronic BATTERY 12V 50Ah 250A IGNITION SYSTEM HITACH I integrated electronic injection ignition PENCIL COIL HITACHI CM...

Page 25: ...range Technical Data Electricalequipment starting STARTER MOTOR Data obtained at a temperature of 20 C Whenoverhauling it is not necessaryto undercut the insulator between the commutator bars NOTE Pri...

Page 26: ...d winding resistance between the two slip rings Q 2 8 5 2 6 f 5 Direction of rotation seen from control side clockwise Diode power rectifiers pre constructed bridge Data obtained at a temperature of 2...

Page 27: ...2000 range Technical Data Electricalequipment recharging Alternator wiring diagrams M Marelli A1151 14V 38 65A M Marelli A1271R 14V 55 100A Typical voltage regulator curves M Marelli RTM 151 B 32 Prin...

Page 28: ...20 C Q 0 495 0 605 Ohmic resistance of secondary winding at 20 C Q RPMSENSOR HITACHI GE 110492 Make and type Sensor winding resistance 513 627 0 1 Distance gap between sensorand crankshaft pulley too...

Page 29: ...plugs 1852154000 Special spanner for cylinder head fixing bolts 1852161000 Tool for removing phase trans former 1860183000 Pliers 075 100 mm for removing and refitting piston circlips 1860395000 Drift...

Page 30: ...usedwith 1895884000 BRAKING SYSTEM 1856132000 Wrench 10 11 mm for handling brake fluid pipe connectors 1856133000 Spanner for adjusting rear brake caliperself adjustingdevice STEERING 1847035000 Stee...

Page 31: ...r sump stud M6x22 M6x16 Fastening under sump fixing bolt with unlosable ta oered washer 0 9 0 9 2 5 M6x30 Oil sump fixing bolt with unlosable flat washer M8x28 M8x1 5 2 Oil drain plug for aluminium su...

Page 32: ...bolt M6x10 0 9 M8x20 2 5 Mounting bracketplate fixing flanged bolt M8 2 5 Exhaustmanifold fixing flanged nut M8x25 M8x18 Exhaustmanifold retaining bracket fixing bolt 2 5 M6x14 0 9 Flywheel fixing cro...

Page 33: ...5 2 7 Hitachi power module fixing bolt with unlosable ta peredwasher M5x25 0 5 Sensors to cylinder block and cylinder head fixing bolt M6x14 0 9 M6x14 0 9 Oil pump cover plate fixing bolt Oil pump dra...

Page 34: ...8 2 5 M6 0 9 Startermotor to mounting bracketfixing nut Air conditioning compressor mounting to cylinder block crankcase fixing flanged bolt M10x1 25 5 M8x88 2 5 Compressor fixing flanged bolt M10x1 2...

Page 35: ...x1 25 3 ENGINE EXHAUST Nut with metal insert for fixing to exhaust manifold M8 3 Exhaust pipe fixing bolt M8 4 Exhaustpipe rearbracketsfixing bolt M8 3 5 M10x1 25 3 Exhaustpipe support on engine oil s...

Page 36: ...25 9 Nut securing flexible block to engine mounting M10x1 25 5 Gearboxside support to gearbox plate fixing nut Differential side support to differential housing fixing bolt M12x1 25 9 GEARBOX Flexible...

Page 37: ...red ends securing rigid pipe to hose on rear axle M10x1 1 8 Brake pipe retaining bracket to rear suspension arms fixing bolt with unlosable flexible washer M8 1 6 Male connector for pipes with flared...

Page 38: ...xing nut M12x1 25 3 4 Front wheel toe in adjustment rod fixing nut Connectorfixing return pipe to steering box M14x1 5 4 I Filler for adjustable connector for oil supply from pump to power assisted st...

Page 39: ...ke disc to hub fixing bolt M8 1 2 Brake caliper to steering knuckle fixing bolt with un losable tapered washer M10x1 25 5 3 Wheel to hub fixing bolt M12x1 25 8 6 Bolt securing front bush on track cont...

Page 40: ...k control arm fixing nut with metal insert 1 2 Brake disc to hub fixing bolt M8 Brake caliper mounting plate to track control arm fix ing bolt and unlosable tapered flat washer M8 2 4 M12x1 25 8 6 Whe...

Page 41: ...8 Reservoir and filler to bodyshell fixing bolt with wide flange M8 2 8 BODYWORK Tow hook mounting bracket fixing bolt with tapered end M8 2 4 Specialbolt fixing reel 7 16 4 M8 2 Side door lock fixin...

Page 42: ...red washer M8 2 9 Bracket to drip tray fixing flanged bolt OPT version with anti theft control unit M8 1 7 Earth leads fixing bolt 2 4 M8 2 4 Earth lead to engine fixing nut with metal insert Windscre...

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Page 45: ...by the control unit In particular any point of operation of the engine is identified at each instant by two parameters the engine speed measured in revolutions per minute rpm the engine load which co...

Page 46: ...33 FIAT CODE control unit 34 Filler cap with safety valve 1 Fuel tank 2 Cage comprising electric fuel pump pressure regulator filter fuel gauge sender unit 3 Inertial switch 4 Vehicle speed sensor 5 S...

Page 47: ...ol unit 10 Timing variator fan contactor 17 Spark plugs 18 Coils 19 Fuel injectors 20 Charcoal filter scrubbing solenoid 21 Charcoal filter 22 Modular manifold actuator control solenoid 23 Modular man...

Page 48: ...nifold actuator solenoid 14 Throttle position sensor 15 Engine idle speed adjustment actuator 16 Charcoal filter scrubbing solenoid 17 Fuel manifold with fuel injectors 18 System fuses 19 Coolant temp...

Page 49: ...yarecharacterized by a veryclearreciprocalposition supply to thecontrol unit asynchronizedsequenceof signalswhich thecontrol unit canrecog nize In particular the picture signal is made as follows phon...

Page 50: ...njected into each cylinder This quantity is determined by multiplying the quantity of air drawn in by each cylinder calculated on the basis of the quantity of air drawn in and the engine rpm by the re...

Page 51: ...is case lambda 1 The function of the strategy is to correct the basic fuel injection times so that the mixture strength con tinuously oscillates at high frequency between 0 98 and 1 02 The oscillation...

Page 52: ...pears within a certain peri od which is longer the lower the engine temperature k enrichment coefficient t time X decrement in accordance with engine temp ON engine cranked crank OFF engine running ru...

Page 53: ...ormal injection time B re opening of injector extra pulse C injection time including enrichment OFF engine at stationary speed ON engine at transient speed Operation in deceleration During this stage...

Page 54: ...heft function This function is carried out via a specific control unit FIAT CODE which can dialogue with the engine control unit and an electronic key comprising a special transmitter for sending a re...

Page 55: ...ine speed is then corrected in accordance with the engine s different operating conditions The control unit determines the instant for starting conduction of current in the coil primary winding in acc...

Page 56: ...h are constantly repeated so as to adapt the advance to the different conditions now affecting the engine e g using a low octane number fuel The strategy can restore the advance to the mapped value wh...

Page 57: ...the braking effect of the engine MANAGEMENT OF CHARCOAL FILTER SCRUBBING The strategy checks the position of the charcoal filter scrubbing solenoid as follows during starting the solenoid remains clos...

Page 58: ...ls radiator fans As regards point 1 if the engine is idling the control unit increases the air flow passing from the idle speed actuator before the compressor is switched on and vice versa returns the...

Page 59: ...erprsent Version without air conditioning There ISonly one fan which comes on when the coolant temperature exceeds 95 C It is switched off with a lag of 2 G on the temperature threshold 1 Fuse 2 Fan c...

Page 60: ...ing on of the fans also depends on the status of the three stage pressure switch of the air conditioning system which determines when the first fan is switched on and after a certain delay the second...

Page 61: ...OTE During starting the light comes on for 4 seconds goes out for 0 1 seconds stays on off permanently depending on whether or not there are permanent er rors P3W18BJO1 Using a diagnosticinstrument af...

Page 62: ...ne timing sensor knock sensor fuel injectors coils idle speed stepper motor module manifold actuator solenoid charcoal filter scrubbing solenoid vehicle side wiring 8 vehicle speed sensor double conta...

Page 63: ...witch 42 engine earth 43 battery 44 engine control unit Key to wiring diagram of Hitachi system 1 timing variator solenoid 2 sing e coils 3 engine timing sensor 4 knock sensor 5 fuel injectors 6 charc...

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Page 65: ...ylinder 2 coil control 9 Cylinder 3 coil control 10 Cylinder 4 coil control 11 Coolant temperature earth 12 Air flow meter earth 13 N C 14 Air flow meter signal 15 Throttle position sensor signal 16 C...

Page 66: ...N C 35 N C 36 N C 37 N C 38 N C 39 N C 40 N C Connector B 1 Control of double contactorsec B 2 Control unit supply 15 3 Power supply 1 4 Power supply 2 5 Control unit supply 30 6 Engine started signal...

Page 67: ...es and contactors of engine control system NOTE For more information see Section 55 Electrical system Mainfuses 1 Fuse A 30 A 2 Fuse B 50 A Fuses and contacto s 1 Double contactor 2 Timing variator co...

Page 68: ...ontactors are supplied pins 2 and 14 which close the rel evant power contacts The first contactor sec A supplies pin 11 the fuel pump receiving voltage djrectly from the battery pin 1 The second conta...

Page 69: ...as a result of the change in gap These fluctuations induce an electromotive force in the winding 2 at the ends of which there is a voltage which is alternately positive tooth opposite sensor and negat...

Page 70: ...potential known as Hall voltage If the current intensity remains constant the voltage generated depends only on the inten sity of the magnetic field It is therefore suffi cient for the field intensity...

Page 71: ...me ter is therefore representative of the total air flow This type of meter has two advantages over the total flow type significant insensitivity to pulsations of the air columns especially present a...

Page 72: ...w dozen Hertz so that the engine functions with a mixture strength which continuously fluctuates around the stoichiometric value At temperatures below 300 C the ceramic material is not active so the p...

Page 73: ...ket In addition there is an actuation valve driven by a solenoid both located on the inlet manifold and con nected hydraulically to the main unit by means of specific ducts The principle of operation...

Page 74: ...returns to its initial position to cut off the flow of oil under pressureto chamber G but allowing oil to return to the exhaust under the pressureof counter spring 7 A supplementaryduct ensurescamshaf...

Page 75: ...cevoltage is 5 Volts becausethe control unit input circuit is designed as a voltage divider the reference voltage is dis tributed between a resistance in the control unit and the sensoritself The cont...

Page 76: ...a travelled distance of one metre it is therefore possible to find out the vehicle speed on the basis of the pulse frequency P3W33BJO3 Wiring connector KNOCK SENSOR This is a piezoelectric sensor mou...

Page 77: ...ransistor to cut off the primary circuit The primary of each coil is supplied by the battery voltage 30 through the double contactor and is connected to earth via the built in power transistor whose b...

Page 78: ...7 6 5 I r tt IC III II I 2 raA 4 y 2 pi II 1 II W J I 1 P3W35BJO1 1 Air cleaner 2 Resonator 3 Inlet hose 4 Inlet pipe 5 Throttle body with flow meter 6 Idle speed adjustment actuator 7 Inlet manifold...

Page 79: ...sof a link age which operates in accordance with a law whereby for the sametravel of the pedal the throttle aper ture angles aresmall when the pedal is only slightly pressed and vice versathe angles a...

Page 80: ...stator and a rotor which comprises a number of pairs of per manent magnetic poles a screw nutscrew reduction gear which converts the rotary motion into straight line motion The stepper motor is driven...

Page 81: ...vacuum required for the operation of the actuator is taken from a reservoir 2 connected to the manifold and kept under vacuum by means of a non return valve 3 Operation A butterflies closed The solen...

Page 82: ...sure regulator and fuel gauge sender float 3 Delivery pipe 4 Returnless fuel manifold 5 Air bleed connection FUEL SUPPLY SYSTEM The system comprises the following parts Fuel tank Cage complete with pu...

Page 83: ...t and has a mesh filter on the pump inlet The pressure regulator is mounted on the pump delivery P3W40BJO1 1 Complete cage 2 Pressureregulator 3 Fuel gauge sender unit 4 Float 5 Electric pump 6 Fuel f...

Page 84: ...ds 5 bar thus preventing the electric motor from overheating In addition a non return valve fitted in the delivery prevents the entire fuel system from emptying when the pump is not in operation The p...

Page 85: ...hood at tached to the bodywork in order to access an opening covered by a flange through which interventions can be carried out on the cage containing the pump P3W42BJO1 FUEL MANIFOLD The fuel manifo...

Page 86: ...r When current passes through the winding the magnetic field which is created attracts the shutter caus ing the fuel injector to open and fuel to pass Two rings ensure a seal on the fuel manifold side...

Page 87: ...ngle of the cone Above the ball there is a quick trip mecha nism which forms a normally closed NC circuit When it is struck by the ball the mechanism changes position into a normally open NO circuit t...

Page 88: ...e fact that the mixture strength with which the engine operates constantly fluctuates around the stoichiometric value which is obtained thanks to the feedback control by the control unit on the basis...

Page 89: ...e and so they always allow fuel vapours to reach the separator 2 thus preventing fuel leaks The fuel vapours reach the charcoal filter 6 when the pressure inside the tank causes the ventilation valve...

Page 90: ...ety and ventilation valve This valve 1 is located in the fuel filler cap and depending on the pressure in the tank it carries out the following functions when the pressureexceedsthe calibration pressu...

Page 91: ...tial force rolling of the vehicle 2 P3W48BJO1 P3W48BJO2 1 Normal operating conditions valve open 2 The fuel pushes the float upwards because of heavy acceleration valve closed 3 Vehicle rolled valve c...

Page 92: ...om the connection 5 The scrubbing air enters from the connection 1 passes through the paper filter 3 en velops the granules and removes the vapours conveying them to the outlet con nection 2 which is...

Page 93: ...gasescoming from the crankcase rise up to the cylinder head and are conveyed in two differ ent inlet connections at medium large apertures of the throttle valve the gasesaredrawn in by the pipe locate...

Page 94: ...ustment the advance the carbon monoxide CO content and the air flow rate during idling so no manual adjustments are necessary However a check relating to the contents of the exhaust gases upstream and...

Page 95: ...limit while the measuremenet upstream of the catalytic con verter was correct the engine parameters may be considered to be correct and so the cause of the fault may be sought in the reduced efficienc...

Page 96: ...he fig ure The arrow indicates the side to be inserted in the test equipment 1860955000 pressure gauge P3W53BJO2 Discharging fuel pressure in fuel supply system The fuel supply system is kept constant...

Page 97: ...he connectors are correctly seated Switch the ignition on and watch the pressuregauge e to check that after increasing to about 3 5 bar the pressuresettles to about 3 2 bar the pressuredrop is due to...

Page 98: ...specified pressure is obtained check the fuel manifold and fuel injectors for leaks in accordance with the procedure described below Checking fuel injectors for leaks P3W55BJO1 5 Adaptor B 6 Fuel mani...

Page 99: ...idual fuel to flow from the pipes into the container f reconnect the fuel delivery pipe to the fuel manifold Checking fuel consumption FLOWTRONIC 1866149001device wit To carry out the check the device...

Page 100: ...uel manifold 1 Complete fuel pump 2 Fuel delivery pipe 3 Quick fit female connection carry out the consumption test on the road in accordance with the directive 93 116 CE Iitres per 100 kl JRBAN CYCLE...

Page 101: ...d base frame 2 I Secure the flap and hood frame safelyin araisedposition toprevent themaccidentallyfalling f P3W58BJO1 3 J I V1 0 g to 10 remove all the buttons securing the trim panels shown by the a...

Page 102: ...care not to damage the seal Refitting Reverse the order of operations for removal at the end make sure that there are no fuel leaks Removing fuel pump release the three plastic locking teeth ar row A...

Page 103: ...ng lug arrowed and withdraw the fuel gauge sender unit slid ing it in the direction of the arrow Disconnectthe wiring connections of the fuel gauge sender unit Refitting Reverse the procedure for remo...

Page 104: ...ctors from the fuel injectors and timing variator and move the cable duct aside disconnect the fuel delivery pipe 1 from the manifold in two stages A press the retaining clips at the same time pushing...

Page 105: ...rottle body disconnect the wiring connectors from the throttle position sensor 2 idle adjustment solenoid 3 and air flow meter 4 withdraw both connecting pipes from the PCV valve undo the four screws...

Page 106: ...screws Remova1 refitti n9 The control unit is mounted on the engine secured by four nuts to the inlet manifold To remove the control unit proceed as fol lows disconnect both wiring connectors in two...

Page 107: ...ng connector and undo the screw securing the knock sensor and remove it 3 Disconnect the wiring connector and undo the vehicle speed sensor casing and remove it from its seating COOLANTTEMPERATURESENS...

Page 108: ...he vehicle disconnectthe electricalconnector undo the screw securing the sensor and withdraw the sensorfrom its seating NOTE The sensor is fitted in the factory with tolerances to ensure a gap of 0 8...

Page 109: ...crew and remove the coil with drawing it from its seating P3W66BJO1 NOTE Thecoil has an extension of silicon material with high dielectric power which contains a pres sure contact loaded by a spring D...

Page 110: ...A for the throttle casing Undo the bolts 8 fixing the throttle cas Ing t A I Lift up the throttle casing slightly Loosen the bands A and disconnect the pipes from the throttle casing then seal them to...

Page 111: ...rottle casing manifold A Before refitting clean the flange B and check the condition of the gasket C 3WOO2CJO1 Flow meter Removing refitting If necessary undo the bolts A and re movethe flow meter 8 N...

Page 112: ...iners Release the relay A from the support base Undo the nuts B fixing the accelerator pedal assembly Disconnect the electrical connection C Salvage the accelerator pedal D The potentiometer cannot be...

Page 113: ...he bolts A fixing the connector holder plate for the centre lambda sensor E 2 L 3WOO4CJO1 I e 6 j Move the plate and releasethe connector from the retainers then disconnect it 3WOO4CJO2 Undo the lambd...

Page 114: ...da sensorconnector from the support and then disconnect it 3WOO5CJO1 Raise the vehicle Undo the Lambda sensor using USAG spanner no 875 or the equivalent and salvage it NaTE To refit reverse the order...

Page 115: ...s then disconnect them 3WOOGCJO1 2 Loosen the band A for the engine air in take pipe Undo the bolts 8 and remove the air intake pipe and resonator C 3 Undo the upper nuts fixing the heat shield Raise...

Page 116: ...o the nuts A fixing the manifold flange Undo the bolt 8 fixing the exhaust pipe band Loosenthe bolt C for the band Salvage the gasket 0 between the pre catalyzers and the manifold Lower the vehicle 4...

Page 117: ...orts and then disconnect them 3WOO8CJO1 I L 1 00 10 B 1 c A I ij 2 Loosen the band A for the engine air in take pipe Undo the bolts B and remove the air in take pipe and resonator C 3 Undo the upper b...

Page 118: ...nge Undo the bolt B fixnig the exhaust pipe band Undo the bolt C and remove the band D Salvage the gasket E between the pre catalyzers and the manifold Lower the vehicle 4 Undo the bolts A fixing the...

Page 119: ...ic aerial special wiring for connecting the compo nents for the preparation for the cellular telephone with the vehicle electrical equipment Electrical connections There are two connectors for the ele...

Page 120: ...preparation for cellular telephone P3WO2CLO1 Key 55 Left dashboard earth 82 Join between dashboard and rear cables 90 Radio receiver 169 Earth for aerial 190 Join for preparation for cellular tele ph...

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Page 123: ...pump Horns 14 16 Fuel level gauge and reserve warning light Engine coolant temperature gauge Front brake lining wear warning light Low brake fluid and handbrake on warning light Driver s side seat bel...

Page 124: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 3WOO2ELO1 See air conditioner cooling wiring diagram See Fiat CODE wiring diagram 2 Publication no 506 586 14...

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Page 126: ...tiometer on accelerator pedal 308 Electronic injection system control relay 309 Fuel pump control relay 310 Fuse holder base on front cable 314 Engone cooling fan remote control switch Component key I...

Page 127: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Starting Hitachi electronic injection and ignition Sensorand actuator connection engineprewiring 3WOO4ELO1 d P h i tinn nn J nRJ RR 14...

Page 128: ...ection control unit 2 Cylinder 4 injector 3 Cylinder 3 injector 4 Cylinder 2 injector 5 Cylinder 1 injector 7 Junction between front cable and engine ca ble 11 Rpm sensor 15 Timing sensor 16 Flow mete...

Page 129: ...ical system Wiring diagrams Fiat barchetta 2000 range 55 Side lights and warning light Dipped beams High beams and warning light Headlamp flasher Number plate lights Brake lights Publication no 506 58...

Page 130: ...box F3 30A F5 30A 30 Instrument panel L Side lights on warning light M Dipped beam on warning light 31 Junction unit 33 Ignition switch 39 Battery earth 40 Battery 44 Brake signal switch 55 Left facia...

Page 131: ...grams Fiat barchetta 2000 range 55 Direction indicator and warning light wiring Hazard warning lights and warning light llllllillll N II ill 41 F 3 9 121 108 56 II I F II 55 68 IIII I 3WOOSELO1 8 P lh...

Page 132: ...cator warning light 31 Junction unit 33 Ignition switch 39 Battery earth 40 Battery 55 Left facia earth 56 Right dashboard earth 65 Left rear direction indicator 66 Right rear direction indicator 67 R...

Page 133: ...Electrical system Wiringdiagrams Fiat barchetta 2000 range 3WO10ELO1 10 Publicationno 506 586 14...

Page 134: ...facia cable and front cable 33 Ignition switch 39 Battery earth 40 Battery 55 Left facia earth 56 Right dashboard earth 71 Left fog lamp 72 Right fog lamp 73 Switch unit on facia 74 20A fuse for fog...

Page 135: ...Electrical system Wirin dia rams Fiat barchetta 2000 range 55 Car interior lighting symbol lighting Glove compartment lighting 3W012ELO1 Publication no 506 586114...

Page 136: ...n between facia cable and driver s side door cable 51 Junction between facia cable and passenger side door cable 55 Left facia earth 56 Right dashboard earth 73 Switch unit on facia 101 Steering colum...

Page 137: ...trical system Wiring diagrams Fiat barchetta 2000 range 55 Windscreen wiper Electric windscreen washer pump Horns R R IIIIIIIIIIII N HI 40 j 39 24 55 II N CD CD N D 3WO14ELO1 14 Publication no 506 586...

Page 138: ...p Horns Component key 24 Maxi fuse box F3 30A F5 30A 31 Junction unit E1 Switch dischargerelay E2 Horn relay 33 Ignition switch 39 Battery earth 40 Battery 55 Left facia earth 101 Steeringcolumn switc...

Page 139: ...and reserve warning light Engine coolant temperature gauge Front brake lining wear warning light Low brake fluid and handbrakeon warning light Passenger airbag deactivation warning light Revcounter S...

Page 140: ...eft front earth 141 Rear earth 185 Double coolant temperature sensor 188 Battery lead junction services 306 Junction between facia lead and ABS lead Component key I Hitachi MPI electronic injection co...

Page 141: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Electrically operatedwindows 3WO18ELO1 18 Publicationno 506 586 14...

Page 142: ...ttery earth 40 Battery 41 Junction between dashboard and driver s door cables 49 Left window motor 50 Right window motor 51 Junction between facia lead and passenger door lead 52 Electric window contr...

Page 143: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Central locking 3WO20ELO1 Variant for version with alarm 20 Publication no 506 586 14...

Page 144: ...0 Battery 41 Connection between facia lead and driver s door lead 48 Alarm systemcontrol unit 51 Connection between facia lead and passen ger door lead 55 Left facia earth 56 Right dashboardearth 75 D...

Page 145: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Electrically adjusted door mirrors boot bonnet flap open buzzer Heated rear window 3WO22ELO1 22 Publication no 506 586114...

Page 146: ...e electrically adjustable exterior rearview mirror 79 Passengerside electrically adjustable exterior rearview mirror 80 Electrically adjustable door mirror control buttons 101 Steeringcolumn switch un...

Page 147: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Anti lock braking system and failure warning light 3WO24ELO1 4 Pl hli tinn nn I OR I RRI14...

Page 148: ...unit for ABS hydraulic unit 29 ABS circuit earth 30 Instrument panel B Handbrake applied and insufficient brake fluid level warning light I Anti lock brake failure warning light 31 Junction unit 32 Ju...

Page 149: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Engine cooling Vehicle interior ventilation Cigar lighter 3WO26ELO1 26 Publication no 506586114...

Page 150: ...ion switch 39 Battery earth 40 Battery 55 Left facia earth 101 Steeringcolumn switch unit 118 Cigar lighter 120 Left front earth 145 Enginecooling fan 148 Air conditioner heater unit lighting 149 Swit...

Page 151: ...R IIIIIIIIIIH N i 1 l A 7 jV iii IC J 1 1 G RN B N D RN I RN RNI CB N D BCj N n 1 CB I N D j TN D GR 121 N N t I 14 313 iV CD I III IT AlII Slt5 5430 l o itl o Abl q CNR f CDN o 155 151 A N D l N D L...

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Page 153: ...scharge relay 33 Ignition switch 39 Battery earth 40 Battery 95 Compressor for air conditioning 96A Fan 1st speed activation relay 96B Fan 2nd speed activation relay 100 3 level pressure switch 101 St...

Page 154: ...Fiat barchetta 2000 range 55 FiatCODE leg N tl1111111111ft R 39 40 24 c RN RN NZ RN 173 N II N D N D N D 1 7 N fJ N RN N D RN 1 CN 1 32CN 31 rn AR Iz 1 CB JfJ 4 M I M N D N D CB CB N D 33 1 01 3WO30E...

Page 155: ...ine cable 24 Maxi fuse box F5 30A F6 40A 30 Instrument panel E Fiat Code failure warning light 31 Junction unit 32 Junction between dashboard and front ca bles 33 Ignition switch 39 Battery earth 40 B...

Page 156: ...Fiat barchetta 2000 range Electrical system Wiring diagrams 55 Instrument panel connections 3WO32ELO1 32 Publicationno 506 586 14...

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Page 158: ...n 306 Junction between facia lead and ABS Component key 1 Hitachi MPI electronic injection control unit 7 Junction between front lead and engine lead 24 Maxi fuse box F5 30A 26 ABS hydraulic unit cont...

Page 159: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Radio receiver 3WO34ELO1 34 P lhli tinn nn I nF I RF 11A...

Page 160: ...ceiver lead 39 Battery earth 40 Battery 41 Junction between facia lead and driver s door lead 51 Junction between facia lead and passenger door lead 55 Left facia earth 90 Radio receiver 91 Left fron...

Page 161: ...Electrical system Wiring diagrams Fiat barchetta 2000 ran e 55 Radio receiver with Subwoofer 3W036ELO1 36 P hli fi n i n i R 11A...

Page 162: ...51 Junction between dashboard and passenger door cables 55 Left facia earth 56 Right dashboard earth 82 Junction between dashboard and rear cables 90 Radio receiver 91 Left front speaker 92 Right fro...

Page 163: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Radiophone 3WO38ELO1 38 Publicationno 506 586 14...

Page 164: ...unction unit 33 Ignition switch 39 Battery earth 40 Battery 51 Connection between facia lead and passen ger door lead 55 Left facia earth 82 Junction between dashboard and right ca bles 101 Steering c...

Page 165: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 3WO4OELO1 40 Publication no 506 586114...

Page 166: ...ure warning light 31 Junction unit 33 Ignition switch 39 Battery earth 40 Battery 55 Left facia earth 58 E ectroniccontrol unit for airbag and preten sloners 59 Driver sairbag 61 Driver s pretensioner...

Page 167: ...Electrical system Wiringdiagrams Fiat barchetta 2000 range 55 Driver s side and passenger airbag and failure warning light Seat belt pretensioners 61 62 3W042ELO1 42 Publication no 506 586 14...

Page 168: ...arning light 31 Junction unit 33 Ignition switch 39 Battery earth 40 Battery 55 Left facia earth 58 Electronic control unit for airbag and preten sioners 59 Driver s side airbag 60 Passenger side airb...

Page 169: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Alarm system 3W044ELO1 44 Publicationno 506 586 14...

Page 170: ...or cables 48 Alarm system control unit 51 Junction between facia cable and passenger door cable 55 Left facia earth 56 Right dashboard earth 64 Bonnet opening button 65 Left rear direction indicator 6...

Page 171: ...Electrical system Wiringdiagrams Fiat barchetta 2000 range 55 EOBDdiagnostic socket 3W046ELO1 46 Publicationno 506 586 14...

Page 172: ...t 39 Battery earth 40 Battery 48 Alarm system control unit 58 Electronic control unit for airbag and preten sioners 82 Junction between dashboard and rear cables 114 Junction between dashboard and air...

Page 173: ...Electrical system Wiring diagrams Fiat barchetta 2000 range 55 Junction unit interior wiring diagram Publicationno 506 586 14 48...

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Page 175: ...the cassette 6 Scanning cassette CD tracks 7 Searching for alternative frequencies 8 Repeating cassette CD track 9 Selecting TA function 10 Selecting PTY NEWS function 11 Random playing of CD tracks 1...

Page 176: ...matic CriMe equalisation Dol by B and Pause Blank skip Scan functions NOTE Forfurther detailsof operationandfor a full descriptionof radio controls refer to the special supplementto the Owner sHandboo...

Page 177: ......

Page 178: ...retainers A and lift up the lid 8 3WOO1DLO1 Undo the bolts A and removebracket 8 Disconnectthe electrical connection C Loosen the battery terminal D and move control unit E Disconnect the electrical c...

Page 179: ...8 2 Turn bullb holder A anticlockwise and remove If necessary remove bulb 8 3 Undo nuts A and remove the third brake light B NOTE To refit follow the removalprocedure in reverse TESTERINPUT 4 Working...

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Page 181: ...Fiat barchetta 2000 Update Electrical equipment Wiring diagrams 55 Exterior lighting and brake lights see key overleaf 3W81ZLO1 Copyright Fiat Auto...

Page 182: ...y 44 Brake lights signal switch 56 Right dashboard earth 69 Left front light cluster 70 Right front light cluster 101 Steering column switch unit 102 Left number plate light 103 Right number plate lig...

Page 183: ...Fiat barchetta 2000 Update Electrical equipment Wiringdiagrams 55 Radio receiver see key overleaf 3W83ZLO1 Copyright FiatAuto 3...

Page 184: ...column switch unit 169 Earth for radio receiver aerial 171 Aerial for radio receiver 300 Coupling between radio and sub woofer cables 301 Sub woofer 24 Fuse box Fuse 4 60A Fuse 5 50A 31 Junction unit...

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Fiat Barchetta 1998, Manual

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Summary of Contents for Barchetta 1998

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