Alfa Romeo GT 3.2 V6 – COURTESY LIGHTS – – Right hand drive – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

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Wiring diagram - COURTESY LIGHTS - Alfa Romeo GT 3.2 V6

COURTESY LIGHTS - WIRING DIAGRAM Alfa Romeo GT 3.2 V6

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Components - COURTESY LIGHTS - Alfa Romeo GT 3.2 V6

Component code	Name	Assembly reference
B1	JUNCTION UNIT	-
B2	JUNCTION UNIT UNDER DASHBOARD
B5	MAXI FUSE-1 BOX	-
B99	MAXIFUSE BOX ON BATTERY
C15	FACIA EARTH, DRIVER''S SIDE	-
C38	EARTH ON TUNNEL	-
D30	REAR COUPLING FOR /FRONT DOOR. DRIVER''S SIDE	-
D31	RIGHT FRONT DOOR REAR COUPLING/.	-
D97	SHORT CIRCUITING COUPLING	-
E50	INSTRUMENT PANEL
G10	FRONT COURTESY LIGHT ( REAR )
G20	REAR COURTESY LIGHT
H1	IGNITION SWITCH
M1	BODY COMPUTER
N50	RIGHT FRONT DOOR LOCK LEFT
N51	RIGHT FRONT DOOR LOCK MOTOR

Location of components - COURTESY LIGHTS - Alfa Romeo GT 3.2 V6

COURTESY LIGHTS - LOCATION OF COMPONENTS Alfa Romeo GT 3.2 V6

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Components - COURTESY LIGHTS - Alfa Romeo GT 3.2 V6

Component code	Name	Assembly reference
B1	JUNCTION UNIT	-
B2	JUNCTION UNIT UNDER DASHBOARD
B5	MAXI FUSE-1 BOX	-
B99	MAXIFUSE BOX ON BATTERY
C15	FACIA EARTH, DRIVER''S SIDE	-
C38	EARTH ON TUNNEL	-
D30	REAR COUPLING FOR /FRONT DOOR. DRIVER''S SIDE	-
D31	RIGHT FRONT DOOR REAR COUPLING/.	-
D97	SHORT CIRCUITING COUPLING	-
E50	INSTRUMENT PANEL
G10	FRONT COURTESY LIGHT ( REAR )
G20	REAR COURTESY LIGHT
H1	IGNITION SWITCH
M1	BODY COMPUTER
N50	RIGHT FRONT DOOR LOCK LEFT
N51	RIGHT FRONT DOOR LOCK MOTOR

Description - COURTESY LIGHTS - Alfa Romeo GT 3.2 V6

The front courtesy light includes two bulbs with two control switches.With the left switch (A) it is possible to select the following two operating modes:centre position: both lights come on for a timed periodleft-hand position: both lights are off all the time;right-hand position: both lights are on all the time.The right-hand switch turns on only one of the lights:left-hand position: left-hand light always on;right-hand position: right-hand light always on;central position: both lights always off.The rear courtesy light only has one bulb with different operating modes according to the position of the actual lens cover which operates an internal switch:neutral position: light comes on for a timed period;positioned to one side: lights always off;positioned to the other side: light always on.The lighting for the two courtesy lights is timed on the basis of a logic managed by the Body Computer.when one of the front doors is opened, the courtesy lights are timed to stay on for 3 minutes;if, whilst opening one door, another is opened, the counting of the three minutes starts again from zero;if a door remains open for longer than three minutes, the courtesy lights go out and remain off until one of the doors is next opened;If, during this period of 3 minutes, all the doors are closed again, a second period of 7 seconds is activated and is interrupted if the ignition key is turned on.when the doors are opened using the remote control, the courtesy lights come on for 15 seconds; the timing is interrupted if the ignition key is turned ON;when the remote control is used to lock the doors, the courtesy lights go off.The switching off and on should be gradual (dimmer) with a cycle lasting 3 seconds.When the ignition key is turned OFF, the Body Computer checks that the key has actually been removed (no transponder): in these circumstances it switches the front and rear courtesy lights on as described previously.The courtesy lights are also on (without the dimmer) if the inertia switch is operated (the information is sent via the instrument panel CAN).The function is activated with the ignition key in the ON position.The Body Computer continuously acquires the ''battery voltage'' signal and compares it with a limit: if the battery voltage level measured is below this limit, it intervenes through the CAN sending a signal to disable a series of loads: these include the two front and rear courtesy lights; the function is activated with the ignition key in the OFF position.If the Body Computer detects that one of the doors or the boot has been left open and the vehicle speed exceeds around 5 Km/h, a buzzer is sounded.

Functional description - COURTESY LIGHTS - Alfa Romeo GT 3.2 V6

The Body ComputerM1receives the ''door open'' input signals at pin 8 (left door) and pin 25 (right door) of connector E.On the basis of the timing and control logic described previously, the Body Computer M1 supplies the two courtesy lights:from pin 23 of connector E it supplies the front courtesy light G10 ; from pin 21 of the same connector it supplies the earth signal for the timer;from pin 33 of connector E it supplies the rear courtesy light G20 ; from pin 37 of the same connector it supplies the earth signal for the timer;The Body ComputerM1is connected, via the CAN line, to the instrument panelE50, from which it receives the ''inertia switch operated'' signal which lights up the courtesy lights and sends a signal which, if necessary, can light up the ''doors open'' warning light.The ''low battery voltage'' signal which switches off the courtesy lights if they are on, always arrives via the CAN.