Fiat 500 1.4 16v – RADIO – – HI-FI – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

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WIRING DIAGRAM - RADIO - Fiat 500 1.4 16v

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COMPONENTS - RADIO - Fiat 500 1.4 16v

Component Code	Description	Reference to the operation
A001	BATTERY
B001	JUNCTION UNIT
C015	DASHBOARD EARTH, DRIVER'S SIDE	-
C030	LEFT REAR EARTH	-
D001	FRONT/DASHBOARD COUPLING	-
D006	FRONT/REAR COUPLING	-
D020	DASHBOARD/REAR COUPLING	-
D030	DRIVER'S FRONT DOOR COUPLING	-
D031	PASSENGER FRONT DOOR COUPLING	-
D047	CLOCK SPRING COUPLING
D168	COAXIAL CABLE FOR RADIO AERIAL COUPLING	-
H001	IGNITION SWITCH
M001	BODY COMPUTER
P020	RADIO
P025	AERIAL POWER SUPPLY
P030	LEFT REAR SPEAKER
P031	RIGHT REAR SPEAKER
P035	SPEAKER IN FRONT DOOR LEFT
P036	SPEAKER ON PASSENGER FRONT DOOR
P045	DRIVER'S FRONT TWEETER SPEAKER
P046	PASSENGER FRONT TWEETER SPEAKER
P070	RADIO HI-FI AMPLIFIER	-
P092	SUBWOOFER	-
P110	GPS/GSM AERIAL

COMPONENT LOCATION - RADIO - Fiat 500 1.4 16v

RADIO - COMPONENT LOCATION Fiat 500 1.4 16v

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Component Code	Description	Reference to the operation
A001	BATTERY
B001	JUNCTION UNIT
C015	DASHBOARD EARTH, DRIVER'S SIDE	-
C030	LEFT REAR EARTH	-
D001	FRONT/DASHBOARD COUPLING	-
D006	FRONT/REAR COUPLING	-
D020	DASHBOARD/REAR COUPLING	-
D030	DRIVER'S FRONT DOOR COUPLING	-
D031	PASSENGER FRONT DOOR COUPLING	-
D047	CLOCK SPRING COUPLING
D168	COAXIAL CABLE FOR RADIO AERIAL COUPLING	-
H001	IGNITION SWITCH
M001	BODY COMPUTER
P020	RADIO
P025	AERIAL POWER SUPPLY
P030	LEFT REAR SPEAKER
P031	RIGHT REAR SPEAKER
P035	SPEAKER IN FRONT DOOR LEFT
P036	SPEAKER ON PASSENGER FRONT DOOR
P045	DRIVER'S FRONT TWEETER SPEAKER
P046	PASSENGER FRONT TWEETER SPEAKER
P070	RADIO HI-FI AMPLIFIER	-
P092	SUBWOOFER	-
P110	GPS/GSM AERIAL

DESCRIPTION - RADIO - Fiat 500 1.4 16v

A HI-FI system with 6 speakers, a power amplifier and a subwoofer is available on request.The system has been developed specifically for the vehicle; the acoustic properties of the passenger compartment have been carefully studied so that the amplifier, speakers and subwoofer are perfectly suited to the vehicle: optimum listening is available in any part of the passenger compartment.Depending on the basic system, the HI-FI system includes:dedicated front speakers (mid-woofers in the doors and tweeters in the pillars) and rear speakers (full-range in the side panels);a subwoofer containing a power amplifier located under the right front seat;a 4 channel amplifier (4x30W) located in the right rear side panel.The other system components (radio, aerial, etc.) are the same as for the standard system.In this configuration 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 via the CAN: the volume increases and decreases in relation to the speed of the vehicle.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.The following functions are present on the steering wheel:change/preset CD track or radio station (forward);change/preset CD track or radio station (backward);SCR (switch audio source);VOL+ (increase volume);VOL- (decrease volume);MUTE.On versions with Bluetooth and Blue & Me (with a map navigation system) the controls on the steering wheel have 8 buttons.The radio is an integral part of the radio-telephone and navigation system.For more details,

FUNCTIONAL DESCRIPTION - RADIO - Fiat 500 1.4 16v

The radio P020 (pin A4 of connector A) receives a direct power supply from the battery via the line protected by fuse F36 of the Body Computer M001 (pin 12 of connector E).Pin A8 of connector A of P020 is connected to the driver''s dashboard earth C015.The radio P020 (pins A1 and A3 of connector A) is connected via the B-CAN to the Body Computer (pins 22 and 17 of connector D) and to the other system nodes.The radio aerial P025 (or, on versions with Blue & Me, the triple function aerial P110) is connected via the coaxial cable to connector C of P020.The amplifier located in the subwoofer P092 receives a direct power supply from the battery (pin 3) via the line protected by fuse F02 of the engine compartment junction unit B001 (pin 25 of connector B); pin 7 of P092 is connected to the left rear earth C030.Pin 8 of P092 is connected to the radio P020 (pin A5 of connector A) which supplies a positive signal to enable the subwoofer to be switched on. The same signal is supplied to the amplifier P070 (pin 8 of connector B).The amplifier P070 also receives a direct power supply from the battery (pin 1 of connector B) via the line protected by fuse F02 of junction unit B001; pin 2 of connector B is connected to the left rear earth C030.Connector A of the radio P020 also provides the connection for the signals with the amplifier P070 and with the subwoofer P092. Specifically:from pin B1 (+ right rear speaker), to pin 9 of connector B of P070 and to pin 2 of P092;from pin B2 (- right rear speaker), to pin 3 of connector B of P070 and to pin 5 of P092;from pin B7 (+ left rear speaker), to pin 10 of connector B of P070 and to pin 1 of P092;from pin B8 (- left rear speaker), to pin 4 of connector B of P070 and to pin 4 of P092;from pin B3 (+ right front speaker), to pin 7 of connector A of P070;from pin B4 (- right front speaker), to pin 1 of connector A of P070;from pin B5 (+ left front speaker), to pin 8 of connector A of P070;from pin B6 (- left front speaker), to pin 2 of connector A of P070.The following cables with signals for the speakers leave connector A of P070:from pins 6 (+) and 14 (-) to the driver''s front speakers P035 (mid-woofer) and P045 (tweeter);from pins 11 (+) and 10 (-) to the passenger side front speakers P036 (mid-woofer) and P046 (tweeter);from pins 5 (+) and 4 (-) to the left rear speaker P030 (full-range);from pins 12 (+) and 13 (-) to the right rear speaker P031 (full-range).The radio controls on the steering wheel are connected to the Body Computer M001 via the clock spring D47. Specifically:at pin 6 of D047 the reference earth signal from pin 35 of connector D of M001 is received;the signal is sent, from pin 4 of D047, for the MUTE, VOL+ and VOL- controls (located to the left of the steering wheel) to pin 50 of connector D of M001;the signal is sent, from pin 3 of D047, for the SOURCE, SCAN+ and SCAN- controls (located to the right of the steering wheel) to pin 52 of connector D of M001.On the Bluetooth and Blue & Me configurations, connector B of P020 is connected to the Convergence control unit M162.The Body computer M001 receives a direct battery power supply (pin 1 of connector A) protected by fuse F01 of the engine compartment junction unit B001 (pin 18 of connector B); it also receives an ignition-controlled power supply (INT) at pin 11 of connector E.The Body computer M001 is also connected to the driver''s side dashboard earth C015 via pins 9 and 10 of connector E.