Page 130 of 330
Marea-Marea Weekend Electrical system
2000 range (§) Index
55.
page
PROTECTION AND SAFETY DEVICES
- Protection and security devices 1
- Junction unit 4
- List of fuses and main protected circuits 5
- Supplementary fusebox 8
LOCATION OF VEHICLE COMPO
NENTS
- Location of vehicle relays and fuses. 9
- Location of control units and testing 12
sockets
CONTROL PANEL
- Control panel (except AT) 14
- Control panel (AT) 17
RADIO SYSTEM
- General description 19
- Warnings 23
- Description of controls 24
- Operation 33
- EXPERT control level 40
- Coding 44
- Compact Disc Player 46
- Cassette Player 47
- Multiple Compact Disc player 49
- Advice and precautions 51
Copyright by Fiat Auto XII-00 Supersedes previous, version
Page 149 of 330
Marea-Marea Weekend # *»
2000 range ©
Electrical system
Radio System
55.
GENERAL DESCRIPTION
The car radio reception and playing system has been developed with the acoustic properties of the pas
senger compartment in mind to offer outstanding sound reproduction at all times.
The system is installed on the car directly during production, without subsequent interventions. All wires
are integral with the car wiring.
The system includes:
- radio
- front speakers (with separate tweeters)
- rear speakers
- radio supply leads
- radio and speaker connection leads
- radio controls on steering wheel
- coaxial aerial connection lead
- stylus aerial on roof
- connection lead for CD changer, located in boot.
LOCATION OF SYSTEM COMPONENTS
Component key
1 Radio
2 Radio controls on steering wheel
3 Front speaker
4 Front tweeter
5 Rear speaker
6 Aerial
7 Coaxial aerial lead
8 Lead for CD changer
9 CD player/changer
Copyright by Fiat Auto XII-00 - Update 19
Page 150 of 330

Electrical system
Radio System
55.
CAR RADIO
The radio is customised to fit in with the instrument facia styling. It is fixed because it cannot be adapted
to any other car.
It comes in three versions:
RADIO H4 : with CD player, theft protection, predisposition for handsfree mobile phone use,
connection lead for CD changer, possibility of steering wheel controls.
RADIO H3 : with cassette player, theft protection, predisposition for handsfree mobile phone
use, connection lead for CD changer, possibility of steering wheel controls.
Marea-Marea Weekend
2000 range ©
RADIO M2 : with cassette player, predisposition for handsfree mobile phone use
AERIAL
The car is fitted with aN aerial on the roof.
Electrically-controlled aerial
The car radio is fitted with the wiring for controlling an automatic electric aerial (that rises when the car
radio is switched on and lowers when the radio is switched off).
SPEAKERS
The special sound system comprises:
- 2 elliptical mid-woofer speakers 130 x 180 mm with a power output of 30W max each;
- 2 diffusori fluid iron tweeter dome speakers with a max power output of 40W max;
- 2 full-range 0 130 mm speakers with a power output of 30W max each (only for H4 and H3)
20 XII-00 - Update Publication no. 506.763/24
Page 154 of 330
Electrical system Marea- Marea Weekend
Radio system 2000 range (§)
55.
CONTROL DESCRIPTION
RADIO H4
This comes with a CD player, antitheft protection, predisposition for mobile phone handsfree operation,
connection lead for CD changer, possibility of steering wheel controls.
4 5 2 14 7 6
13 18 17 16 15 12 11 10
The tables on the following pages details key functions according to operating mode (RADIO, CD, CD
CHANGER, PHONE).
24 XII-00 - Update Publication no. 506.763/24
Page 157 of 330
Marea-Marea Weekend
2000 range @
Electrical system
Radio System
55.
RADIO H3
This comes with a cassette player, antitheft protection, predisposition for mobile phone handsfree opera
tion, connection lead for CD changer, possibility of steering wheel controls.
/ / /' /
13 18 17 16 15 12 11 10
The tables on the following pages details key functions according to operating mode (RADIO, CASSETTE,
CD CHANGER, PHONE).
Copyright by Fiat Auto XII-00 Update 27
Page 206 of 330

Electrical equipment
Component location
Marea-Marea Weekend
2000 range ©
55.
RADIO SYSTEM - CIGAR LIGHER
Component key
3 Power fusebox
4 Junction unit:
6 Instrument panel
10 Engine battery earth
11 Battery
12 Ignition switch
22 Left facia earth
28 Connection between facia/rear cables
35 Connection between dashboard/left front
door cables
36 Connection between dashboard/right front
door cables
42 Right facia earth
48 Radio receiver with clock
49 Left front tweeter speaker
50 Right front tweeter speaker
51 Speaker in left front door
52 Speaker in right front door
53 Left rear speaker
54 Right rear speaker
69 Cigar lighter
248 Radio controls on steering wheel
310 Connection bridge
320 Aerial power supply
321 Connection for TELEPASS
28B Facia/rear lead connection
* BN n.d. S 120B HG310C Z120B
AG 48B *
HV310C
* NZ n.d
AB48B* AB
AR48B* .AR
*BR53
*SN 36
BR 48B *
SN n.d.'
36 Connection between dashboard/right front door cables
S28B.
HG 310D
GN 244A
Z28B
N 19
A n.d
AG n.d
B310E
MN n.d.
LR 66
BN 111B
HV66
H 111A
A111B
AG 68
MN68
48A Radio receiver with clock
*N22
BN 319*
* R n.d
* RV 320
*VN 6B
48 B Radio receiver with clock
BN 319*
(*) The cables involved in the wiring diagram are marked with an asterisk.
20 Print n° 506.763/23
Page 238 of 330

Electrical equipment
Component location
Marea- Marea Weekend
2000 range ®
Climate control system/heater with thermostatic adjustment (1596)
Component key
3 Power fusebox
4 Junction unit
6 Instrument panel
9 Right front earth
10 Engine battery earth
11 Battery
12 Ignition switch
13 Connection between right/left front cables
28 Connection between facia/rear cables
34 Switch control unit
36 Connection between dashboard/right
front door cables
68 Right door mirror
70 Connection between dashborad/front ca
bles
120 Connection for air conditioning unit ca
bles
124 Air condiitoning compressor control relay
127 Connection between front left cable/cable
on relay holder bracket
147 Air conditioner compressor
195 Ignition/injection control unit (1596)
202 Heater/air conditioner unit control symbol
lighting bulbs
206 Climate control system fan
207 Fan speed adjustment switch
209 Air intake flap control actuator
211 Frost sensor
222 Earth for air conditioning system
233 Thermal switch on engine coolant pump
244 Integrated services control system
253 Air conditioner control unit
254 Climate control system controls with inte
rior temperature sensor
255 Electronic speed variator for climate control
fan
256 Air mixing control actuator
258 Treated air temperature sensor
259 Required temperature adjustment solenoid
260 MAX-DEF microswitch
365 4-stage pressure switch
375 Standardized diagnostic socket
55.
36 Connection between dashboard/right front door cables
* S 28B.
HG310D
GN 244A
Z28B
N 19 _
A n.d.
AG n.d
B310E
MN n.d.
LR66
BN 111B
HV66
AG 68
MN 68
1 20 Connection for air conditioning unit cables
1Z 28B.
*N22.
"AN 70
' RN 70.
. Z n.d.
127
1596
Connection between front left cable/cable on relay holder bracket
62 AN n.d. *
B3 MG 195A*
A2 RN 13 B4 S195A*
A4 AB 195A B5 VN3A
A5 AG 195A B6 B195A
A6 M3A* B7 VG70*
A7 MN 13* C2 BN 195A
A8 Cn.d. C3 HL n.d.
C4 SG n.d.
RN 98
_AlAV123 g*]
A5 AG 122
_A6_ M 124 * [§]
JiL MN 124 *[§]
_*!L C n.d.
_§?_ AN 124*[§]
_B3_MG 124 *§]
-US 365* [$]
J*!LVN98
J?6. B 365 [ffi
_g7_ VG 365*[
_2?_BN365 [§]
_Pi_ HL98
_?i_SG 98
The cables involved in the wiring diagram are marked with an asterisk.
52 Print n° 506.763/23
Page 240 of 330

Electrical equipment
Component location
Marea- Marea Weekend
2000 range ®
Climate control system/heater with thermostatic adjustment (1910 JTO)
Component key
Power fusebox
Junction unit
Instrument panel
Right front earth
Engine battery earth
Battery
Ignition switch
Connection between right/left front cables
Connection between facia/rear cables
Switch control unit
Connection between
front door cables
Right door mirror
Connection between
cables
Connection for air conditioning unit ca
bles
124 Air condiitoning compressor control relay
127 Connection between front left ca
ble/cable on relay holder bracket
Air conditioner compressor
I.E. system relay feed
Heater/air conditioner unit control sym
bol lighting bulbs
Climate control system fan
Fan speed adjustment switch
3
4
6
9
10
11
12
13
28
34
36
68
70
120
147
150
202
206
207
dashboard/right
dashborad/front
209 Air intake flap control actuator
211 Frost sensor
233 Thermal relay on engine coolant pump
244 Integrated services control system
253 Air conditioner control unit
254 Climate control system controls with in
terior temperature sensor
255 Electronic speed variator for climate control
fan
256 Air mixing control actuator
258 Treated air temperature sensor
259 Required temperature adjustment sole
noid
260 MAX-DEF microswitch
333 Injection control unit (JTD)
334B I.E. protective fuse (JTD)
365 4-stage pressure switch
375 Standardized diagnostic socket
55.
36 Connection between dashboard/right front door cables
' S 28B.
HG310D
GN 244A
Z28B*
SN 28B
A n.d.
AG n.d.
B310E
MN n.d
LR66
BN 111B
HV66
1 20 Connection for air conditioning unit cables
' Z 28B
*N22.
"AN 70
.Zn.d.
1 27 Connection between front left cable/cable on relay holder bracket
JTD
HL BR n.d.
_ALMNI3*
HL AR n.d.
HL MG 333A'
HL GN55
HL AR n.d. *
HL AG 333A A8 RG289
_A1_ BR 303 B4 B365 A2 MN 124* $ B5 VG 365 * A3 AR124 B6 N365 A4 MG 124* $ B7 BN 365 A5 GN 304 B8 VN 98 A6 HN 304 * C1 SG 98 A7 AG 122 C2 M 124*[*g A8 RG304 C3 Cn.d. B1 RN 98 C4 AB n.d. B2 HL 98 C8 R152 B3 S365*
The cables involved in the wiring diagram are marked with an asterisk.
54 Print n° 506.763/23