Page 54 of 330

Marea- Marea Weekend Technical Data
2000 range (§) Electrical equipment: starting
00.55
STARTER MOTOR l^p| 20v I^P) JTD
Make Bosch
DW -12V -1,1 kW
Bosch
0 74.5-1.1/12
Bosch
0 78.5-2 KW/12
Voltage V 12
Nominal power kW 1.1 1.1 2
Rotation, pinion side clockwise
No. of poles 6 4 6
Winding windings in series permanent magnets
Engagement free wheel
Operation solenoid
End float of armature shaft mm 0.1-0.5 0.1-0.5 0.1-0.5
Data for bench test
Operating test (*):
current A
speed rpm
voltage V
torque developed daNm
-
360-380
1150
8.15
1.30
500
1950
7.30
1.30
Engagement test (*):
current A
voltage V
torque developed daNm
-680-700
4.9
3.11
1200
5.5
3.0
Idle test (*):
current A
voltage V
speed rpm
-
60-80
4.9
4040
70-80
11.5
5450-5750
Relay [ pull in Q -0.33-0.37 0.4
Winding
resistance (*) 1 hold in Q -1.13-1.27 1.7
Lubrication
Internal splines and
shaft bushes
VS+ SAE 10W
Enagement sleeve and intermediate
disc TUTELA MR3
(*) Data obtained at an ambient temperature of 20°C.
NOTE When overhauling it is not necessary to undercut the insulator between the commutator bars
Copyright by Fiat Auto 47
Page 55 of 330

Technical Data Marea-Marea Weekend
Electrical equipment: recharging 2000 range @)
00.55
ALTERNATOR
l^p) lev rgp> JTD
Make
Bosch
KCB1-14V-45/80A
M. Marelli A127IR-14V-55/100A
M. Marelli A115IM-14V-55/105A
Make
Bosch KCB2-14V-
50/90A (•) (*)
M. Marelli A127IR-14V-55/100A M. Marelli
A127IR-14V-70/120A
(•)
Nominal voltage y
of system 14 14 14
Maximum current A 80 (90) (*)(•) 100 105 (120)(«)
Nominal current at 1800 rpm rpm 45 (50) (*)(•) 55 55 (70)(»)
Nominal current at 6000 rpm A 80 (90) (*)(•) 100 105 (120)(«)
Field winding resistance between
the two slip rings (A)
2.66-2.94
(2.47-2.73) (*)(•) 2.66-2.94 -
Direction of rotation (seen from control
side) Clockwise
Diode power rectifiers preconstituted bridge
(A) Data obtained at an ambient temperature of 20°C. (•) For vehicles with climate control system C) For the TAXI version
VOLTAGE REGULATOR Electronic, built-in
Make BR1 RTM 151 B RTM 151A
Alternator speed rpm
for test 7000
Thermal stabilization corrector ^ -
Test current A -
Regulation voltage (A) y 14.3-14.6
(A) Data obtained at an ambient temperature of 23°C.
48 Print n° 506.763/23
Page 56 of 330
Technical Data
Electrical equipment: recharging
00.55
Bosch KCB1-14V-45/80A
Bosch KCB2-14V-50/90A
M. Marelli A127IR-14V-55/100A
M. Marelli A115IM-14V-55/105A
M. Marelli RTM 151 B
Marea- Marea Weekend
2000 range ©)
Alternator wiring diagram
Typical voltage regulator curves
M. Marelli RTM 151 A
Copyright by Fiat Auto 49
Page 57 of 330
Technical Data Marea-Marea Weekend
Electrical equipment: electronic injection- ignition 2000 range ©)
00.55
INTEGRATED ELECTRONIC
INJECTION/IGNITION SYSTEM r^p) lev
Make I.A.W. M.P.I. WEBER - MARELLI
Firing order 1-3-4-2
INJECTION/IGNITION CONTROL UNIT
Make and versions with manual gearbox I.A.W. 4EF. B3
type versions with automatic transmission I.A.W. 4EF. L1
IGNITION COIL WITH 4 HIGH TENSION INTAKES
Make Champion
Type BAE 920 A
Ohmic resistance of primary winding at 20°C Q 0.580
Ohmic resistance of secondary winding at 20°C Q 9100
SPARK PLUGS
Make and type NGK BKR5EZ
CHAMPION RC10YCC
Thread on engine M14x1.25
Spark gap mm 0.8
TOP DEAD CENTRE AND RPM SENSOR
Make M. Marelli
Type CVM 02
Sensor winding resistance at 20°C Q 575-750
Distance (gap) between sensor and
crankshaft pulley tooth 0.5 + 1.5
ADVANCE ON ENGINE
With engine idling 700±50/min 4°
50 Print n° 506.763/23
Page 58 of 330
Marea- Marea Weekend Technical Data
2000 range © Electrical equipment: electronic injection- ignition
00.55
INTEGRATED ELECTRONIC
INJECTION/IGNITION SYSTEM I^P) 20v
Make Bosch ME31F001
Firing order 1-2-4-5-3
IGNITION COIL (1 PER SPARK PLUG)
Make Bosch
Type 0.221.504.014
Ohmic resistance of primary winding at 20°C Q 0.,4
Ohmic resistance of secondary winding at 20°C Q 8500
TOP DEAD CENTRE AND RPM SENSOR
Make and type Bosch 0.281.002.102
Sensor winding resistance at 20°C Q 774 + 946
Distance (gap) between sensor and
crankshaft pulley tooth 0.8 H- 1.5
DETONATION SENSOR
Make Bosch
Type 0.261.231.095
SPARK PLUGS
Make and type CHAMPION RC8BYC
Thread on engine M 14x 1.25
Spark gap mm 0.8
Copyright by Fiat Auto 51
Page 72 of 330

Engine
Fuel feed system
Marea- Marea Weekend •
2000 range @
FRONT LAMBDA SENSOR
Removing
- Disconnect the negative battery terminal.
1. Disconect the electrical conection (1a), re
lease the wiring from the retaining band
(2) and disconnect the Lambda sensor (3).
Refitting
- Position the sensor and tighten it to torque
avoiding forcing the component which
would damage it irreparably.
Apply special grease (e.g. Bosch 5
964080112) to the threaded part of the
sensor.
REAR LAMBDA SENSOR
Removing
- Position the vehicle on a lift.
- Disconnect the negative battery terminal.
2. Disconnect the electrical connection (1)
and release the wiring from the retaining
bands.
3. Raise the vehicle and disconnect the
Lambda sensor.
Refitting
- Position the sensor and tighten it to torque
avoiding force on the component which
would damage it irreparably.
Apply special grease (e.g. Bosch 5
964080112) to the threaded part of the
sensor.
- Connect the connector and renew the
Lambda senor cable fastenings.
4 Print n° 506.763/23
Page 75 of 330

Marea- Marea Weekend •
2000 range ©
16v Engine
Fuel feed system
10.
1. Loosen the belt tension using the lock nut
(2) and the adjustment screw (1); then re
lease the belt from the pulley.
2. Undo the bolts fixing the bracket for the
power assisted steering pump mounting
and detach the pump.
3. Undo the nuts fixing the exhaust manifold
to the cylinder head and detach the mani
fold.
- To refit, reverse the order of the operations
carried out for the removal; tension the
power assisted steering pump drive belt,
using the adjustment screw; use tool
189576200 to check that the tension is
between 32 and 45 daN.
ELECTRIC FUEL PUMP WITH LEVEL
SENDER UNIT
Removing-refitting
- Disconnect the negative battery terminal.
- Lift up the lining in the luggage compart
ment and remove the fuel pup protective
cover.
- Disconnect the electrical connection for the
electric pump assembly and the fuel supply
and breather pipes.
4. Undo the ring nut fixing the electric fuel
pump to the tank using tool 1870736000.
The gasket on the tank housing should be
replaced each time the pump drip tray is
removed-refitted.
NOTE The position of the fuel pump is fixed
and is established by a reference in
the housing in the tank which sou Id
correspond to the projection on the
pump drip tray.
Copyright by Fiat Auto 7
Page 80 of 330
Marea- Marea Weekend •
2000 range ©
Engine
Fuel feed system
10.
REMOVING-REFITTING ACCELEROMETER
Removing
- Disconnect the negative battery terminal.
1. Disconnect the electrical connector (1a),
undo the fixing bolts (1b) and remove the
device (1c).
Refitting
- Reverse the order of the operations carried
out for the removal.
REMOVING-REFITTING FRONT LAMBDA
SENSOR
Removing
- Position the vehicle on a lift.
- Disconnect the negative battery terminal.
- Raise the lift.
2. Undo the lower fixing bolts (1a) and the
side fixing bolts (1b) and remove the
shield (1c) under the engine.
3. Undo the fixing nuts (1a) and remove the
lower section (1 b) of the heat shield.
4. Disconnect the electrical connector (1a)
and undo the front Lambda sensor (1b).
Copyright by Fiat Auto 3