Alfa Romeo 159 1.9 JTS Da 01/06 – RADIO – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

WIRING DIAGRAM - RADIO - Alfa Romeo 159 1.9 JTS Da 01/06

RADIO - WIRING DIAGRAM Alfa Romeo 159 1.9 JTS Da 01/06

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COMPONENTS - RADIO - Alfa Romeo 159 1.9 JTS Da 01/06

Component code	Description	Reference to the operation
B001	JUNCTION UNIT
B002	JUNCTION UNIT UNDER DASHBOARD
B099	MAXIFUSE BOX ON BATTERY
C020	PASSENGER SIDE DASHBOARD EARTH	-
D001	FRONT/DASHBOARD COUPLING	-
D020	DASHBOARD/REAR COUPLING	-
D030	DRIVER'S FRONT DOOR COUPLING	-
D031	PASSENGER FRONT DOOR COUPLING	-
D035	LEFT REAR DOOR COUPLING	-
D036	RIGHT REAR DOOR COUPLING	-
D047	CLOCK SPRING COUPLING	-
D096	CD CHANGER CABLE INTERMEDIATE COUPLING	-
M001	BODY COMPUTER
M089	STEERING LOCK CONTROL UNIT (NBS)
P020	RADIO
P025	AERIAL POWER SUPPLY
P030	LEFT REAR SPEAKER
P031	RIGHT REAR SPEAKER
P035	SPEAKER ON FRONT DOOR LEFT
P036	SPEAKER ON PASSENGER FRONT DOOR
P045	DRIVER'S FRONT TWEETER SPEAKER
P046	PASSENGER FRONT TWEETER SPEAKER
P047	LEFT REAR TWEETER SPEAKER
P048	RIGHT REAR TWEETER SPEAKER
P075	CD PLAYER/CHANGER	-

COMPONENT LOCATION - RADIO - Alfa Romeo 159 1.9 JTS Da 01/06

RADIO - COMPONENT LOCATION Alfa Romeo 159 1.9 JTS Da 01/06

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Component code	Description	Reference to the operation
B001	JUNCTION UNIT
B002	JUNCTION UNIT UNDER DASHBOARD
B099	MAXIFUSE BOX ON BATTERY
C020	PASSENGER SIDE DASHBOARD EARTH	-
D001	FRONT/DASHBOARD COUPLING	-
D020	DASHBOARD/REAR COUPLING	-
D030	DRIVER'S FRONT DOOR COUPLING	-
D031	PASSENGER FRONT DOOR COUPLING	-
D035	LEFT REAR DOOR COUPLING	-
D036	RIGHT REAR DOOR COUPLING	-
D047	CLOCK SPRING COUPLING	-
D096	CD CHANGER CABLE INTERMEDIATE COUPLING	-
M001	BODY COMPUTER
M089	STEERING LOCK CONTROL UNIT (NBS)
P020	RADIO
P025	AERIAL POWER SUPPLY
P030	LEFT REAR SPEAKER
P031	RIGHT REAR SPEAKER
P035	SPEAKER ON FRONT DOOR LEFT
P036	SPEAKER ON PASSENGER FRONT DOOR
P045	DRIVER'S FRONT TWEETER SPEAKER
P046	PASSENGER FRONT TWEETER SPEAKER
P047	LEFT REAR TWEETER SPEAKER
P048	RIGHT REAR TWEETER SPEAKER
P075	CD PLAYER/CHANGER	-

DESCRIPTION - RADIO - Alfa Romeo 159 1.9 JTS Da 01/06

The vehicle is equipped with a radio system comprising:- radio;- front speakers (woofers in the doors and tweeters in the dashboard);- rear speakers located in the doors- cables connecting the radio with the speakers;- aerial with support fitted at the rear of the roof with a coaxial connecting cable.A sophisticated Bose HIFI system with special HIFI speakers and an outside amplifier can also be fitted.The radio is a CAN node through which information is exchanged with the Body Computer and with the other electronic units.The radio is equipped with an anti-theft system through the connection of the radio at the CAN with the Body Computer; it also manages the volume control linked to the vehicle speed: the volume increases and decreases in relation to the speed of the vehicle: this information reaches the radio node via the CAN.Some versions are equipped with a series of buttons on the steering wheel: these make it possible to replicate some of the commands which are acquired in the same way by the actual radio.It is also possible to fit a multi-polar cable connecting the radio to a CD player located in the boot, on the right hand side.

FUNCTIONAL DESCRIPTION - RADIO - Alfa Romeo 159 1.9 JTS Da 01/06

Radio P20 is supplied directly (4 of connector A) from the battery via the line of fuse F23 of the engine compartment junction unit B1 .Pin 8 of connector A is earthed.Pins 1 and 3 of connector A receive the CAN line by which the radio P20 is connected to the Body Computer M1 and the other system nodes.The radio P20 is connected, via the CAN, to the radio controls on the steering wheel, via the clock spring D47.The following cables with signals for the speakers leave connector B of P20:- pins 5 and 6 to the left front speakers P35 and P45;- pins 3 and 4 to the right front speakers P36 and P46;- pins 7 and 8 to the left rear speakers P30 and P47;- pins 1 and 2 to the right rear speakers P31 and P48;The aerial P25 is connected to the radio by means of the special coaxial cable.A connection lead runs from connector E of P20 to CD player P75:. this cable, is divided into two sections: one under the dashboard and one under the passenger compartment lining (coupling D96).