Alfa Romeo 159 2.4 JTD 20V Da 01/06 – CONTROL LIGHTS – – Low setup – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

WIRING DIAGRAM - CONTROL LIGHTS - Alfa Romeo 159 2.4 JTD 20V Da 01/06

CONTROLS LIGHTING - WIRING DIAGRAM Alfa Romeo 159 2.4 JTD 20V Da 01/06

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COMPONENTS - CONTROL LIGHTS - Alfa Romeo 159 2.4 JTD 20V Da 01/06


B002	JUNCTION UNIT UNDER DASHBOARD
B099	MAXIFUSE BOX ON BATTERY
C015	DASHBOARD EARTH, DRIVER'S SIDE
C020	PASSENGER SIDE DASHBOARD EARTH
C030	LEFT REAR EARTH
C031	RIGHT REAR EARTH
D030	DRIVER'S FRONT DOOR COUPLING
D031	PASSENGER FRONT DOOR COUPLING
D035	LEFT REAR DOOR COUPLING
D070	DRIVER'S SEAT COUPLING
D071	PASSENGER SEAT COUPLING
D075	RADIO PHONE COUPLING
D217	REAR/COURTESY LIGHT WIRING COUPLING
E020	ANCILLARY INSTRUMENT
E050	INSTRUMENT PANEL
G010	FRONT COURTESY LIGHT
G020	REAR (CENTRE) COURTESY LIGHT
H005	STEERING COLUMN SWITCH UNIT
H020	HAZARD WARNING LIGHTS SWITCH
H035	TUNNEL SWITCHES
H044	ELECTRIC WINDOW CONTROLS ON FRONT DRIVER'S DOOR
H050	ELECTRIC WINDOW SWITCH ON FRONT PASSENGER'S DOOR
H090	SWITCH CONTROL PANEL
I065	DRIVER'S SEAT HEATING SWITCH
I066	PASSENGER SEAT HEATING SWITCH
M001	BODY COMPUTER
M066	DRIVER'S DOOR CONTROL UNIT (NPG)
M089	STEERING LOCK CONTROL UNIT (NBS)
P020	RADIO
P050	CIGAR LIGHTER/CURRENT SOCKET
P051	ADDITIONAL CURRENT SOCKET

COMPONENT LOCATION - CONTROL LIGHTS - Alfa Romeo 159 2.4 JTD 20V Da 01/06

CONTROLS LIGHTING - COMPONENT LOCATION Alfa Romeo 159 2.4 JTD 20V Da 01/06

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B002	JUNCTION UNIT UNDER DASHBOARD
B099	MAXIFUSE BOX ON BATTERY
C015	DASHBOARD EARTH, DRIVER'S SIDE
C020	PASSENGER SIDE DASHBOARD EARTH
C030	LEFT REAR EARTH
C031	RIGHT REAR EARTH
D030	DRIVER'S FRONT DOOR COUPLING
D031	PASSENGER FRONT DOOR COUPLING
D035	LEFT REAR DOOR COUPLING
D070	DRIVER'S SEAT COUPLING
D071	PASSENGER SEAT COUPLING
D075	RADIO PHONE COUPLING
D217	REAR/COURTESY LIGHT WIRING COUPLING
E020	ANCILLARY INSTRUMENT
E050	INSTRUMENT PANEL
G010	FRONT COURTESY LIGHT
G020	REAR (CENTRE) COURTESY LIGHT
H005	STEERING COLUMN SWITCH UNIT
H020	HAZARD WARNING LIGHTS SWITCH
H035	TUNNEL SWITCHES
H044	ELECTRIC WINDOW CONTROLS ON FRONT DRIVER'S DOOR
H050	ELECTRIC WINDOW SWITCH ON FRONT PASSENGER'S DOOR
H090	SWITCH CONTROL PANEL
I065	DRIVER'S SEAT HEATING SWITCH
I066	PASSENGER SEAT HEATING SWITCH
M001	BODY COMPUTER
M066	DRIVER'S DOOR CONTROL UNIT (NPG)
M089	STEERING LOCK CONTROL UNIT (NBS)
P020	RADIO
P050	CIGAR LIGHTER/CURRENT SOCKET
P051	ADDITIONAL CURRENT SOCKET

DESCRIPTION - CONTROL LIGHTS - Alfa Romeo 159 2.4 JTD 20V Da 01/06

The car is equipped with numerous light sources for optimal lighting of interior instruments and controls.Some of these are lit with the ignition ON (INT), others with the side lights on, others are dimmable in accordance with a rheostat-controlled adjustment strategy managed by the Body Computer.The Body Computer manages the lighting - with the side lights on - of:- cigar lighter and rear current socket;- controls on the front courtesy light- radio display (aftermarket version only)- radio phone preparationThe Body Computer manages (directly and via the door control units) the dimmed lighting of:- instrument panel and display;- auxiliary instrument- switches in the doors;- climate control system controls.All the other controls are lit up when the ignition is on (INT), i.e. with the TEG inserted.A brightness sensor for the automatic adjustment (day/night) of the brightness of the instrument panel is built-in; it has the task of measuring the ambient light conditions and sending this information (daytime or nightime) to the Body Computer which, on comparing this information with the state of the side lights, selects the appropriate lighting configuration for the vehicle interior (daytime or nightime mode).With this information available, the behaviour of the instrument is as follows:- In "daytime" mode the display can be adjusted to 8 settings, the graphics are switched off, the index lighting is 100% and cannot be adjusted.- In "nightime" mode the display, the graphics and the indexes can be adjusted to 8 settings and the level set will be transmitted to the components that regulate the brightness (climate control display, radio display).This adjustment is made using the "MODE", "MODE +" and "MODE -" buttons located on the steering column switch unit; there are 8 different possible settings. (fom 30% to 100% of the maximum intensity). The level set by pressing the buttons is shown on the instrument panel display; the setting is also memorized and used later on.

FUNCTIONAL DESCRIPTION - CONTROL LIGHTS - Alfa Romeo 159 2.4 JTD 20V Da 01/06

The "MODE" "+" and "-" controls, located on the left steering column switch unit lever +15, send an analogue signal to the instrument panel E50 at pin 5 of connector A.The dimmed power supply for the auxiliary instruments E20 leaves pin 5 of connector C of E50 (pin 2 of connector C provides the reference earth).The Body Computer M1 is connected via the CAN line to the instrument panel E50 from which it receives the "brightness adjustment" signal which is transmitted to the radio node and to the climate control system control unitThe power supply with the side lights switched on is provided by the Body Computer M1 - pin 40 of connector E for the cigar lighter light P50 and the rear current socket P51, in addition to the controls on the front courtesy light G10; the same lighting is sent, - pin 18 of connector H of M1 - to the controls for the radio P20 and to the preparation for the radio telephone D75.The lighting for the front door controls H44 and H50 is managed by the door control units M66 - at pin 11 of of connector D by the line protected by fuse F32 of the junction unit under the dashboard B2 , and connected via the CAN line to the Body Computer M1 .The ignition-controlled power supply line (INT), protected by fuse F35 of the junction unit under the dashboard B2, provides the lighting for the switch unit on the tunnel H35.The ignition-operated power supply line (INT), protected by fuse F49 of the junction unit under the dashboard B2, provides the lighting for the hazard warning lights control H20, the control panel to the left of the dashboard H90, the controls on the rear courtesy light G20, those on the seats I65 and I66 and the passenger side front door electric window switch H50.