AUTOMOTIVE ELECTRICIANS

Alfa Romeo GT 3.2 V6 – HEADLAMP AGLINMENT CORRECTOR – – Xenon Gas headlamps – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Alfa Romeo GT 3.2 V6   – HEADLAMP AGLINMENT CORRECTOR –  – Xenon Gas headlamps – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram - HEADLAMP AGLINMENT CORRECTOR - Alfa Romeo GT 3.2 V6





Components - HEADLAMP AGLINMENT CORRECTOR - Alfa Romeo GT 3.2 V6



Component codeNameAssembly reference
B1JUNCTION UNIT-
B2JUNCTION UNIT UNDER DASHBOARD
B5MAXI FUSE-1 BOX-
B99MAXIFUSE BOX ON BATTERY
C10FRONT LEFT EARTH ( FRONT )-
C11RIGHT FRONT EARTH ( FRONT )-
C15FACIA EARTH, DRIVER''S SIDE-
D105AXIS CORRECTION REAR POTENTIOMETER COUPLING-
D97SHORT CIRCUITING COUPLING-
E50INSTRUMENT PANEL
F10LEFT HEADLAMP ( FRONT )
F11RIGHT HEADLAMP
H1IGNITION SWITCH
H10CONTROLS FOR HEADLAMP ALIGNMENT INSTRUMENT LIGHTING ADJUSTMENT ( FACIA )
K1HEADLAMP ALIGNMENT FRONT POTENTIOMETER
K2HEADLAMP AGLINMENT REAR POTENTIOMETER ( CONNECTORS )
M1BODY COMPUTER

Location of components - HEADLAMP AGLINMENT CORRECTOR - Alfa Romeo GT 3.2 V6





Components - HEADLAMP AGLINMENT CORRECTOR - Alfa Romeo GT 3.2 V6



Component codeNameAssembly reference
B1JUNCTION UNIT-
B2JUNCTION UNIT UNDER DASHBOARD
B5MAXI FUSE-1 BOX-
B99MAXIFUSE BOX ON BATTERY
C10FRONT LEFT EARTH ( FRONT )-
C11RIGHT FRONT EARTH ( FRONT )-
C15FACIA EARTH, DRIVER''S SIDE-
D105AXIS CORRECTION REAR POTENTIOMETER COUPLING-
D97SHORT CIRCUITING COUPLING-
E50INSTRUMENT PANEL
F10LEFT HEADLAMP ( FRONT )
F11RIGHT HEADLAMP
H1IGNITION SWITCH
H10CONTROLS FOR HEADLAMP ALIGNMENT INSTRUMENT LIGHTING ADJUSTMENT ( FACIA )
K1HEADLAMP ALIGNMENT FRONT POTENTIOMETER
K2HEADLAMP AGLINMENT REAR POTENTIOMETER ( CONNECTORS )
M1BODY COMPUTER

Description - HEADLAMP AGLINMENT CORRECTOR - Alfa Romeo GT 3.2 V6


The vehicle is equipped with two GAS DISCHARGE headlamps.For more details.The left headlamp is the Master control unit while the right acts as a Slave unit.The master downloads the dipped beam command, car speed and - to manage the function - signals from two sensors (potentiometric) on the wheel axles that manage front and rear ride.The control unit controls the adjustment motor - located in the headlamps - and tilts it by the required amount on the basis of input.768- on the version with gas discharge headlamps, the light beam is adjusted automatically and the two buttons on the left side of the panel are no longer active.The device is enabled only when the dipped beam headlamps are on.The electronics for the two headlamps are supplied by a fuse that protects other supplies controlled by the ignition.

Functional description - HEADLAMP AGLINMENT CORRECTOR - Alfa Romeo GT 3.2 V6


The ignition-operated power supply (INT) for the electronics of the two headlsmpsF10 and F11 reaches pin 6 through the line of fuse F37 of the unit under the dashboard B2, whilst pin 14 of F10 and F11 is earthed.Pins 8 ofF10 and F11 are connected to one another (serial communication line between MASTER and SLAVE), whilst pin 13 of the control unit located in headlamp F10 receives the speedometer signal from pin 28 connector A of the Body Computer M1.HeadlampF10 incorporates the headlamp alignment function: the two sensors (potentiometers) that record the alignment at the front K1 and the rear K2 are connected: a supply and reference earth are sent from pins 9 and 10 of F10: the signals proportional to the load return to pins 11 and 12;on the basis of these signals, the electronics for the headlamp automatically adjusts the light beam by means of a special motor (the motor for the left headlamp is adjusted directly, the one for the right headlamps via the serial line betweenF10A and F11A).Self-diagnostic data can be read by connecting the unit to connector G of Body ComputerM1- pin 12: this receives signals from pins 7 of F10 and F11 via the special diagnostic line.

Engine compartment junction unit



B1A



B1A



B1A



B1B



B1B



B1B



B1C



B1C



B1C



B1D



B1E



B1E



B1X



B1X



Junction unit under dashboard



B2A



B2A



B2A



B2A



B2A



B2A



B2B



B2B



B2C



B2C



B2D



B2E



B2F



B2G



B2H



MAXI FUSE box



B5A



B5B



B5C



B5D



B5E



B5F



Maxifuse box on battery



B99A



B99A



B99B



B99D



Front left earth



C10



C10



C10



Right front earth



C11



C11



C11



Facia earth, driver's side



C15A



C15B



C15C



Axis correction rear potentiometer coupling



D105



D105



Short circuiting coupling



D97A



D97A



D97A



D97C



D97D



D97E



D97G



D97H



D97I



D97M



Instrument panel



E50A



E50B



Left headlamp



F10



F10



F10



F10



Right headlamp



F11



F11



F11



F11



Ignition switch



H1A



H1A



H1B



Controls for headlamp alignment instrument lighting adjustment



H10



Headlamp alignment front potentiometer



K1



Headlamp aglinment rear potentiometer



K2



Body computer



M1A



M1A



M1A



M1A



M1A



M1A



M1B



M1C



M1D



M1E



M1F



M1G


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