AUTOMOTIVE ELECTRICIANS

Fiat STILO 1.2 16v Da 05/2005 — FOG LIGHTS — — Xenon Gas headlamps — WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION — WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram

Components
Component codeNameAssembly reference
B1Engine compartment junction unit5505A
B2Junction unit under dashboard5505A
B99Maxifuse box on battery5530B
C10Front left earth-
C11Right front earth-
C15Facia earth, driver's side-
E50Instrument panel5560B
F10Left headlamp5540B
F11Right headlamp5540B
H1Ignition switch5520A
H90Switch control unit7040A
M1Body computer5505A
Location of components

Components
Component codeNameAssembly reference
B1Engine compartment junction unit5505A
B2Junction unit under dashboard5505A
B99Maxifuse box on battery5530B
C10Front left earth-
C11Right front earth-
C15Facia earth, driver's side-
E50Instrument panel5560B
F10Left headlamp5540B
F11Right headlamp5540B
H1Ignition switch5520A
H90Switch control unit7040A
M1Body computer5505A
DescriptionThe vehicle has two additional fog lights in the light clusters.The fog lights are activated through a button on the left of the panel; with the lights on the warning light in the instrument panel also comes on.A special relay, in the engine compartment control unit, controls the switching on of the fog lights via a line protected by a special fuse.The relay is managed by the Body Computer: the relay is energized in the following conditions:go ahead signal with ignition ON (INT);signal coming from the switchside lights on signal.In addition, if the side lights are switched off, the fog lights are also switched off even if the button is pressed. When the side lights are turned on again, the fog lamps come back on.If the ignition key is switched OFF and then turned back to the ON position, the operating button must be pressed once again in order to turn the fog lights back on.
Functional description The fog lights activated signal reaches pin 1 of connector I of M1 from the control button in the centre panel H90 . The side lights activated signal is sent to pin 28 of connector G of the Body Computer M1 from the steering column switch unit H53360674SeeE2010SIDE LIGHTS / NO. PLATE LIGHTS . The 'ignition ON' signal (INT) for the switch H1 reaches the underdashboard control unit B2 at pin 11 of connector H and from there moves on to the Body Computer M1 (pin 9 of connector F). The Body Computer M1 controls the supply for the fog lights by sending an earth signal to the engine compartment control unit B1 from pin 8 of connector A of M1 which energizes the relay T14: this supplies the fog lights F10 (left) and F11 (right). The circuit is protected by fuse F30 of control unit B2 . The command is actually sent to the internal headlamp electronic circuit that manages fog lamp activation. The Body Computer M1 is connected, via the CAN line, to the instrument panel E50 to manage the fog lamps on warning light and the light failure warning light in case of a fault.

Engine compartment junction unit



B1E



B1E



B1E



B1X



B1A



B1B



B1B



B1B



B1C



B1C



B1C



B1C



B1C



B1C



B1C



B1D



B1E



B1E



B1E



MULTI-FUNCTION COMPONENTS



5505A10


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the negative battery terminal.1. Remove the junction unit protective cover.192009560

5505A35


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363361-7040A44facia lh side cover - r r1. Disconnect the front electrical connectors of the junction unitcomplete with body computer.2. Unscrew the retaining bolts.3. Remove from its seating the junction unit complete with bodycomputer.4. Disconnect the rear electrical connectors of the junction unitcomplete with body computer.2027438

5505A36


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Separate the junction unit (1a) from the body computer (1b),by releasing the retaining lugs (1c).2027440

5505A41


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363151-5580C18air bag module - r+r . 769- 4110A16 steering wheel - r r for replacement or checks forversions with airbag and manual gearbox with hydraulic selection . 1. Disconnect the electrical connectors (1a) and remove the controlunit (1b) from its seating.2027441

5505A42



5505A43


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Disconnect the electrical connectors (1a) and (1b).2. Undo the fixing bolts (2a) and remove the door node (2b).2027444

5505A48


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363442-7050A06LEFT SLIDING REAR SEAT - R.R.3363402-7040L44rear compartment scuff strip - r r1. Undo the fixing bolts (1a) on the left side trim of the luggagecompartment (1b).2. Unscrew the seat belt retaining bolt.Move aside the luggage compartment sidetrim.3. Disengage and move aside the carpet from the pressure fixings.2027445

Junction unit under dashboard



B2A



B2A



B2A



B2A



B2B



B2C



B2D



B2D



B2D



B2D



B2E



B2G



B2H



Maxifuse box on battery



B99A



B99B



B99C



B99D



B99D



B99E



BATTERY AND LEADS



5530B10


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.1. Release the clips and remove the protective cover for the uniton the battery.2. Undo the bolts (2a) and remove the battery fixing bracket (2b).3. Slacken the nut and disconnect the battery's negative terminal.2027495

5530B52


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Op. 5530B56 BATTERY DRIP TRAY COVER - R.R.3363098Op. 5530B10 BATTERY - R+R3363096- Disconnect the engine management unit electrical connections.Release the wiring from the retaining bands.1. Undo the rear fixing bolt (1a), release the front fastenings (1b) and place the engine compartment junction unit (1c) at the side.192008351

5530B56


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Undo the fixing bolts (1a) and remove the battery cover (1b).2027502

Right front earth



C11



Facia earth, driver's side



C15A



C15B



C15C



C15C



Instrument panel



E50A



E50B



E50C



analogue control panel



5560B10


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363357-7040A26steering column trim - r+r1. Undo the bolts fixing the analogue instrument panel trim.2. Remove the trim under the instrument panel.3. Undo the upper bolts fixing the instrument panel to the dashboard;then partly release the panel.2027547

Left headlamp



F10



HEADLAMPS



5540B28


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.1. Undo the top fixing nut (1a) on the window washer fluid reservoir(1b).2. Slacken the bottom fixing nut on the window washer fluid reservoir.2027513

5540B40


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Op. 5530B56 BATTERY DRIP TRAY COVER - R.R.3363098Op. 5530B10 BATTERY - R+R

5540B41


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negativeterminal.1. Disconnect the electrical connection for the right front lightcluster. 2062681

5540B48


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negativeterminal.1. Disconnect the electrical connection for the headlamp alignmentcontrol unit.2. Adjust the clip (2a) and remove the protection (1b).2062684

5540B51



5540B52


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Disconnect the electrical connection on the front left lightscluster.2027517

5540B53


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.1. Undo the top fixing nut (1a) on the window washer fluid reservoir(1b).2. Slacken the bottom fixing nut on the window washer fluid reservoir.2027523

5540B55


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Op. 5530B56 BATTERY DRIP TRAY COVER - R.R.3363098Op. 5530B10 BATTERY - R+R

5540B57


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Disconnect the battery negativeterminal.1. Disconnect the electrical connection for the right front lightcluster. 2062695

5540B78


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.Raise the car on a lift.3363488-7055B54under-engine guard - r r- 7055B64 Engine compartment DUST shield in front wheel arch(one), left or right - R.R. 3362946-4450B02left front wheel r r3363534-7210E10R.R. FRONT BUMPERLower the car with the lift.1. Undo the fixing bolts (1a) and remove the lights cluster mountingbracket (1b).2027530

5540B79


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363488-7055B54under-engine guard - r r3363485-7055B42Additional FRONT WHEEL ARCH (one), left or right- R.R. (right and left) 3362952-4450B12front or rear wheels (two) - r+r3363534-7210E10R.R. FRONT BUMPER1. Undo the top (1a) and bottom (1b) nuts fixing the window washerfluid reservoir.2. Remove the window washer fluid reservoir.2027532

5540B81


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.Raise the car on a lift.3363488-7055B54under-engine guard - r r- 7055B64 Engine compartment DUST shield in front wheel arch(one), left or right - R.R. 3362946-4450B02left front wheel r r3363534-7210E10R.R. FRONT BUMPERLower the car with the lift.1. Undo the fixing bolts (1a) and remove the lights cluster mountingbracket (1b).2062700

5540B82



Right headlamp



F11



Ignition switch



H1A



H1A



H1A



H1A



H1B



ignition switch



5520A12


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363357-7040A26steering column trim - r+r1. Disconnect the ignition block electrical connectors.2027465

5520A14


767 It is not possible toorder a single lock barrel or to order barrels using a single partcode. When ordering barrels, observe the special procedure illustrated 3363161See assembly5580E anti-theft device .

5520A18


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363357-7040A26steering column trim - r+r1. Disconnect the electrical connectors of the ignition block (1a)and Cruise Control (1b).2. Release the retaining clips on the ignition switch contact block.2027470

Switch control unit



H90A



H90B



PASSENGER COMPARTMENT TRIMS



7040A07


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Open the glove compartment.1. Undo the fixing bolts (1a) and remove the upper compartment (1b).2027818

7040A10



7040A19


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Release the fixing buttons.2. Remove the cover under the dashboard.2027821

7040A25


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363399-7040L33ARMREST ON TUNNEL COVER WITH ODDMENTS POCKET - R.R.3362902-3380A46handbrake lever protective boot - r r

7040A26


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Undo the bolts fixing the lower part of the trim.2. Remove the lower part of the trim.2027825

7040A31


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363362-7040A45facia rh side cover - r r1. Undo the fixing bolts (1a) and release the rods for the compartmentflap (1b) from the housing.2. Remove the compartment from the housing.Disconnect the electrical connector forthe glove compartment light.2027827

7040A37


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Undo the cover fixing bolts.2. Remove the fuse access cover in the dashboard.2027829

7040A38


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363399-7040L33ARMREST ON TUNNEL COVER WITH ODDMENTS POCKET - R.R.3362902-3380A46handbrake lever protective boot - r r3363400-7040L37gear lever plate - r r3363366-7040A65passenger compartment box lock , one , r r (frontand left sides) 3363505-7065C42ashtray (one) r+r3362983-5010C32air outlet on panel trim for rear seats - r r3363403-7040L70TUNNEL COVER REAR TRIM - R.R.3363398-7040L20tunnel trim - r r3363358-7040A31flap assembly - r r3363505-7065C42ashtray (one) r+r (front) 3363145-5570T80car radio unit - r+r3363356-7040A25central facia trim - r r1. Undo the radio support fixing bolts.Move the climate control unit aside.2. Remove the radio support.2027830

7040A44


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Open the flap for the dashboard control unit complete with bodycomputer. 2. Undo the fixing bolts (2a) and remove the left dashboard sidetrim (2b).2027831

7040A45


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.Open the flap for the compartment in thedashboard.1. Undo the bolts fixing the right dashboard side trim.Release the right side trim from its housingand disconnect the electrical connector for the Air Bag disablingswitch.2. Remove the right side trim.2027832

7040A51


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Op. 5530B56 BATTERY DRIP TRAY COVER - R.R.3363098Disconnect the negative battery terminal. 7040A45 RIVESTIMENTO LATERALE DESTRO plancia portastrumenti - S.R.3355838Op. 5570T80 CAR RADIO EQUIPMENT - R+R3363145 7040A07 RIPOSTIGLIO SUPERIORE su plancia - S.R.3355829 7040A31 GRUPPO RIPOSTIGLIO PLANCIA - S.R.3355834Op. 5580C22 AIR BAG MODULE - PASSENGER SIDE - R.R3363152769FOLLOW ALL THE RECOMMENDED SAFETY INSTRUCTIONS (see assembly 5580C - AIR BAG SYSTEM).1. Unscrew the facia bolts near the upper glove compartment.2. Unscrew bolts (2a) and (2b) securing the facia near the central facia.3. Undo the bolts securing the passenger airbag module bracket to the body inside the upper glove compartment.192009536

7040A52


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Open the flap for the upperglove compartment.1. Undo the trim fixing bolts.2. Remove the cover.2027835

7040A60


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Break the fixing buttons.2. Remove the cover under the dashboard.2027836

7040A65


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363355-7040A19cushion padding - rr1. Place one hand under the centre tunnel side trim, then pull inthe direction shown by the arrow (A) and, at the same time, extractthe trim as shown by the arrow (B). This releases the upper clips(1a) from the openings (1b) and the side clip (1c) from the opening(1d). 767Follow the procedure describedabove carefully because if you only exert force towards the outside(arrow B) then there is the risk of damaging the side clip (1c).2. Extract the side trim further outwards in order to release thebutton which is a press fit.3. Remove the centre console side trim.2027837

7040A82


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363098-5530B56BATTERY DRIP TRAY COVER- R.R.Disconnect the battery negative terminal.3363361-7040A44facia lh side cover - r r1. Undo the bolts (1a) fixing the switch unit (1b).2. Disconnect the electrical connector for the switch unit.Remove the switch unit.2027838

7040A89


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting213363366-7040A65passenger compartmentbox lock , one , r r1. Undo the bracket retaining bolts.2. Disconnect the earth lead.3. Remove the bracket.2027839

7040A97



Body computer



M1A



M1A



M1A



M1A



M1A



M1A



M1B



M1B



M1B



M1B



M1C



M1D



M1D



M1D



M1D



M1E



M1E



M1E



M1E



M1F



M1G



M1H



M1I


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