section FIAT MAREA 2001 1.G User Guide
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Page 125 of 330

Marea- Marea Weekend
2000 range CJ
Auxiliary Units
Index
Compressor ( 1596 engine)
Compressor ( 1910 JTD)
Compressor ( 1998 engine)
Specifications
50
page
1
2
3
4
FOR ANYTHING NOT DEALT WITH,
REFER TO THE BASIC MANUAL, SECTION 50.
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Page 126 of 330

Marea- Marea Weekend
2000 range ©
Auxiliary Units
Climate control
50
COMPRESSOR ( 1596 engine)
The compressor fitted on this version is the HR V5 variable capacity type, illustrated in the diagram below,
and consists of:
- a crankcase (7) which contains the bores in which the pistons (4) slide;
- an assembly comprising a shaft on which an inclined plate (6) is fitted on which a disc (2) guided by
a pin (5) integral with the five connecting rods (3) controlled by the pistons (4) rotates on roller bear
ings;
- a cylinder head which contains the intake and supply ducts as well as the housing for the regulation
valve (9);
- a plate (8), between the crankcase and the cylinder head, which contains the inlet and supply valves;
- a pulley assembly with an electro-magnet coupling (1).
1. Pulley with coupling
2. Disc
3. Connecting rod
4. Piston
5. Disc guide pin
6. Inclined plate
7. Crankcase
8. Valve holder plate
9. Regulation valve
10. Valve control bellows
Operation
The alternating drive required for the sliding of the pistons in the bores/liners is produced by the rotary
motion of the inclined plate (6), whilst the variation in the capacity, dependent on the piston stroke, is
chieved through the alteration in the angle of the disc (2) controlling the connecting rods (3).
The inclination of the above mentioned disc depends on the difference in pressure between the intake
duct and the inside of the compressor. This difference, measured by the bellows (10), operates the regu
lation valve (9) and consequently causes the movement of the disc (2).
When the request for conditioned air is high, the regulation valve (9) is positioned in such a way that it
uncovers an opening which places the intake side in contact with the inside of the compressor; as, in this
case, there is no difference in pressure, the compressor operates at maximum capacity corresponding to
the position of the disc illustrated in the previous section.
When the air request is less, the valve is positioned so that the supply section is in contact with the crank
case and, at the same time, it stops the flow between the latter and the intake side activated previously.
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Page 131 of 330

Marea- Marea Weekend
2000 range ©
Electrical equipment
Protection and security devices
55.
PROTECTION AND SAFETY DEVICES
All the vehicle supply lines were designed taking into account the most up-to-date directives in terms of
safety and protection, especially to prevent fires.
There are 2 types of protection:
- active protection, aims to reduce the causes of faults "at source"
- passive protection, aims to limit the effects of a fault as much as possible
The first category includes a carefully designed wiring layout with wires positioned and carefully anchored
on tracks that are repaired and protected if necessary.
The cables connected to the alternator and the motor were modified for this reason by adding protective
caps etc. A strengthened sheath was also introduced for some of the more exposed sections of wiring.
The passive protection includes all interventions to reduce faults due to high current (overload, short cir
cuit).
All system fuses were rated based on the nominal absorbtion of the loads activated at the same time, to
ensure intervention in cases of a clear short circuit.
The introduction of a box containing 4 maxifuses with other fuses connected on the outside means all
the supplies can be protected except for the cable that connects the battery to the starter motor and the
cable that connects the starter motor to the recharging alternator. These cables are therefore protected by a
strengthened supplementary sheath.
In "MAXI" fusebox A:
EFI electronic injection fuse (petrol)
GLOW: plug fuse (diesel)
IGN: ignition switch fuse
J/B2 fuse master supply .
J/B1 fuse master supply
Next to the box.
B: fan fuse (see table)
C: ABS 60A fuse
D: second fan fuse: 40A (JTD)
115961 1998
iFil 30A IJ/B21 BOA
fiGNl 4OA IJTBTI BOA
1910JTD
IGLOWl 60A P7B21 80A
MGNI 40A IJ/Bll 80A
FUSE B
30A engine petrol without air conditioner
40A 1596 with air conditioning, JTD
50A 1998 wth air conditioning
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Electrical system Marea- Marea Weekend
Radio System 2000 range @
55.
Tuning RDS programmes (IS LEARN) function (see EXP)
The IS LEARN function (which can be run only after activating the EXPERT function) can be used to
store up to 30 programmes in the IS memory (virtual memory area that does not correspond to storage
keys).
Stored programmes can be called up one by one as described in the EXP section.
The IS memory is useful when the station selection keys are restored or when the tuning stops on a new
reception field and you do not wish to deleted stored stations from preset keys.
Starting the automatic IS LEARN function
Use the BN key to select the range «FM 1», «FM 2» or «FM 3».
Press the SRC key for longer than 2 seconds. «IS ...» will appear on the display, the receiver starts the
search.
If an attempt is made to start the IS LEARN search without the IS mode being active (see EXPERT), the
display will show the message "EXPERT".
NOTE: Always wait for the end of the automatic intelligent search (IS).
If no reception is possible, the automatic intelligent research may stay on, e.g. in an underground garage
or if the aerial is defective. In this case, the automatic search can be interrupted by pressing one of the
station selection keys from 1 to 6.
The automatic intelligent search IS ensures up to 30 stations can be stored with optimum reception.
During automatic intelligent search IS, RDS programmes are stored first ordered by programme code, fol
lowed by FM stations.
Calling up the contents of the IS memory
Stations can be called up from the memory in the required direction by giving a short press to one of the
keys A or B. «IS-SCAN» appears on the display during station selection.
Programme types (PTY)
Many radio programmes offer the programme type service (PTY) in the FM range (FM1, FM 2, FM3) The
message «NEWS» is displayed during a news programme, for example.
The PTY function activates a search filter that allows the radio to tune only to stations that broadcast pro
grammes with a preset PTY code.
Programme types
The types of programme offered by a radio station vary according to the type of programme transmitted.
NEWS News and topical matters
AFFAIRS Politics and events
INFO Special information programmes
SPORT Sports broadcasts
EDUCATE Education and training
DRAMA Radio plays and readings
CULTURE Culture, church and religion
SCIENCE Science
VARIED Various
POP Pop music (hits and chart music)
ROCK M Rock music
EASY M Easy listening
LIGHT M Light classical music
CLASSICS Classical music
OTHER M Unclassified music programmes
(*) differs from phone-in function, activated only
WEATHER Weather forecasts
FINANCE Financial news
CHILDREN Children's programmes
SOCIAL A Social information
RELIGION Religious and philosophical
broadcasts
PHONE IN Listeners' phone-ins (*)
TRAVEL Tourist information
LEISURE Leisure, hobbies and pastimes
JAZZ Jazz music
COUNTRY Country music
NATIONAL National broadcasts
OLDIES Golden Oldies
FOLK M Folk music
DOCU Special documentaries
NO PTY No identification code
the handsfree connection for mobile phone
38 XII-00 - Update Publication no. 506.763/24
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Marea-Marea Weekend Electrical system
2000 range (§j) Radio System
55.
10 - suppression of sound in case of incoming/outgoing phone call
- turn volume knob clockwise: «PHONE 0FF» no use of phone connection
- turn volume knob clockwise: «PH0NE 0N»: the radio sound is automatically deactivated in the case of
a phone call
The «PH0NE ON" function required the mobile phone mount base to be connected.
The «PH0NE IN» function allows a conversation via the car speakers in the case of a phone call.
The «PH0NE IN» function requires the mobile phone to be connected in handsfree mode
If the radio is off, a phone call (IN or OUT) is still possible. In this case the radio
- comes on automatically;
- allows listening under sound conditions identical to the last phone call (BASS, TREBLE, FADER,
BALANCE);
- goes off automatically at the end of the phone call
11 - setting mobile phone input sensitivity
Allows adaptation to the signal broadcast level for the type of handsfree system installed.
- turn volume knob anticlockwise: «PHONE 00» : low input sensitivity
- turn volume knob clockwise: «PHONE 03»: high input sensitivity
12 - security code activation
The code is not activated if «CODE» appears on the display.
If «SAFE» appears on the display, the code is activated.
NOTE: See next section for more detailed instructions.
13 - Controlling volume according to vehicle speed (SCV)
Standard value: «SCVOL 19»
Function off: «SCVOL - -«
Function at maximum efficiency: «SCVOL 34»
Setting:
1. Vehicle still, engine on: set required volume using the relevant knob.
2. Depress the EXP key for more than 2 seconds until «EXPERT» appears on the display.
3. Use keys A or B to select the «SCVOL» setting.
4. Set the required value using the volume knob:
- turn volume knob clockwise: VOL +
- turn volume knob anticlockwise: VOL -
14 - audible function confirmation (BEEP)
The BEEP function is active in the system
This function gives an audible confirmation (BEEP) of the functions. Function activation requires continu
ous pressing of the key for a time greater than or equal to 2 seconds.
15 - select MONO/STEREO radio reproduction
turn volume knob clockwise: «MONO ON».
turn volume knob anticlockwise: «MONO OFF».
16 - activate/deactivate LOC
The automatic search in the FM range may be used at two sensitivity levels When in search of stations,
the set may be tuned with high field intensity (local stations) or low field intensity (distant reception).
- turn volume knob clockwise: «LOC ON».
- turn volume knob anticlockwise: «LOC OFF».
Copyright by Fiat Auto XII-00 Updale 43