Heat FIAT MAREA 2000 1.G Repair Manual

Electrical equipment
Component location
Marea-Marea Weekend
2000 range ©
55.
Starting - Electronic injection - Recharging and warning light - Low engine oil pressure warning
warning light - Injection system failure warning light - Fuel preheating (1910 JTD)
ight - Heater plugs
Component key
3 Power fusebox
4 Junction unit
6 Instrument panel
8 Left front earth
10 Engine battery earth
12 Ignition switch
18 Left rear earth
22 Left facia earth
40 Brake lights control switch
55 Front/engine lead connection
56 Fuel level gauge control unit
57 Inertia switch
70 Connection between dashborad/front ca­
bles
127 Connection between front left ca­
ble/cable on relay holder bracket
143 Alternator
144 Rpm and TDC sensor
145 Starter motor
150 Injection system relay feed
151 Relay feed for Lambda sensor, electric
fuel pump, injectors
152 Fuse protecting injection system
167 Air flow meter (debimeter)
168 Timing sensor
193 I.E. control unit earth
201 Heater plugs control unit
228 Heater plugs (TD)
289 Thermal contact (PCT)
290 Heater coil (PCT)
291 Potentiometer on accelerator pedal
292 Clutch pedal switch
303 Diesel preheating protection fuse
304 Diesel preheating protection relay
333 Injection control unit (JTD)
334 Dual engine temperature sender unit
336 Injector 1 cyl (JTD)
337 Injector 2. cyl (JTD)
338 Injector 3. cyl (JTD)
339 Injector 4. cyl (JTD)
341 Fuel pressure regulator (JTD)
342 Fuel pressure sensor (JTD)
343 Turbo pressure sensor (JTD)
344 I.E. protective fuse (JTD)
334B I.E. protective fuse (JTD)
345 Fuel temperature sensor (JTD)
375 Standardized diagnostic socket
377 Variable geometry solenoid valve
378 Throttle adjustment solenoid valve
379 EGR solenoid valve
333A Injection control unit (JTD)
JTD 1 N n.d. * 16 BV55* 48 BR 375 76 ZB 291 *
2 N n.d. * 17 CR 377 * 49 VB6A* 77 GN 291 *
3 N n.d. * 18 MG 127 51 BN 127 78 ZN 291 * A 4 Rn.d.* 19 AB 127 52 B 127 79 A 291 *
5 RN n.d. * 20 AG 127 58 CB n.d. * 80 MB 291 * ,
11 GV131 21 LN6A 59 LRn.d. * 81 AN 291 * ' >
13 SB 150 22 RV201B* 60 S 127
14 CL6A 24 SN 151 * 61 BL 292 * 1
15 BG55* 47 Ln.d. * 62 NZ 201B*
5 43 24
-o
T7
2 62 81
oooooooooooooooooc oooooooooooooooooc
oooooooooooooooooc oooooooooooooooooc
~7
63 44
333B Injection control unit (JTD)
JTD 82 SN55* 92 H342* 103 L168* 120 V337*
83 S55* 93 LR 343* 104 C 168* 121 MV 338 *
84 BN 334 * 94 HM 343 * 108 CB 341 *
85 LN 334 * 95 HN 343 * 109 HB 341 *
86 G 167* 97 CN 167* 111 MB 55*
88 NZ167* 99 R144* 114 VB 339 *
89 HR167* 100 B 144* 117 VN n.d. *
90 LG 342 * 101 N 144* 118 NVn.d. *
91 HV 342 * 102 BV168* 119 NL 336 *
114
AA 115 117
116.
89 97 82 90
oooooc OOOOOOG OOOOOOO 'OOOOOC
119113105106 98
* The cables involved in the wiring diagram are marked with an asterisk.
74 Print n° 506.763/23

Electrical equipment
Connector blocks
Marea- Marea Weekend
2000 range ©
55.
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
39 Heated rear windscreen
MN 4E
Marea
39 Heated rear windscreen
MN 236B
N236B
Marea Weekend
40 Brake lights control switch 41 Additional brake light
Rn.d.
N 18
Marea
94 Print n° 506.763/23

Marea- Marea Weekend
2000 range ©
Electrical equipment
Connector blocks
55.
131 Fiat-CODE electronic control unit
J_ MN6A
JL RVn.d.
4 N55 N 193
1993 1596
JTD
JL GV190A G333A GV 195A 1998 JTD 1596
JL CBn.d.
1 32 Petrol vapours cut-out solenoid valve
1596 1998
4F1O9ML02
1 OA Connection between rear/driver's heated
' seat cables
1 Connection between rear/passenger
' heated seat cables
... my ... my
N 18 / N 18 /
4F109ML03 4F109ML04
1 36A 2# Detonation sensor
1998
G 190B
B 190B
Copyright by Fiat Auto 109

Electrical equipment
Connector blocks
Marea-Marea Weekend
2000 range ©
55.
1 36 Detonation sensor
1596 1998
L 195B
Z 195B
L 190B
V190B
1 37 Vehicle speed sensor
1596
LN 55.
MG55.
55C.
55C.
1998
JTD
1 38 Idle adjustment actuator
1596
VB 195B
GR 195B
C 195B
HN 195B
1 41 A Heated Lambda sensor (upstream of cat.)
110 Print n° 506.763/23

Marea- Marea Weekend
2000 range ©
Electrical equipment
Connector blocks
55.
1 41 B Heated Lambda sensor (downstream of cat.)
ZB n.d.
NZ195A
1998
Ln.d.
G190B
B195A
R195A
L 190B
V190B
142 Switch signalling insufficient engine oil
pressure
HG55
143 Alternator
R145
HN55
1 44 RPm and TDC sensor
B195B
1596
N333B
R1QSR ' '
1 45 Starter motor
R11
R143
JTD
Copyright by Fiat Auto 111

Electrical equipment
Connector blocks
Marea-Marea Weekend
__ 2000 range ©
55.
201 A Heater plugs control unit
JTD
&
Rn.d..
201 C Heater plugs control unit
JTD
RV 333A
Nn.d.
AR n.d
NZ 333A
206 Car interior climate control fan
2>
N255B
Rn.d.
211 Frost sensor
Z253B
Nn.d.
201 C Heater plugs control unit
JTD
&
R228.
OflO Heater/air conditioning unit symbol
AUA lighting bulbs
N n.d.
GN n.d
GN n.d
209 Air intake flap control actuator
AR 253B
M253B
222 Earth for climate control system
Nn.d.
120 Print n° 506.763/23

Marea- Marea Weekend
2000 range ©
Electrical equipment
Connector blocks
55.
223 RPm sensors
1998
228 Heater plugs
R201C
231 Connection between rear/clock spring cables
JTD
236 Connection betwen rear lead and tail-gate
CB 26
Copyright by Fiat Auto 121

Electrical equipment
Connector blocks
Marea-Marea Weekend
2000 range ©
55.
282 Additional PARK cut out for automatic
transmission
N n.d.
B283
283 Safety control unit for automatic trans­
mission
B282 NZ n.d
B270
BR 270
L281
VN 269
284 Automatic transmission connection on gearbox
VN 267L
M267L
HN 267L
B267R LN 267R
MB 267L
MN 267L
290 Heater coil (PCT)
JTD
RG 127
291 Potentiometer on accelerator pedal
JTD
ZN 333A
A333A
AN 333A
GN 333A
ZN 190A
A
1998
ZB 333A
MB 333A
AN 190A
MB 190A
GN 190A
128 Print n° 506.763/23

Marea- Marea Weekend
2000 range ©
Electrical equipment
Connector blocks
55.
292 Clutch pedal switch
JTD 1998
303 Fuse protecting diesel preheating
JTD
RV304
R127
304 Diesel preheating protection relay
JTD
HN 127
RG 127
GN 127
RV303
306 Coupling for TAXI radio preparation 307 Protective fuse for TAXI radio
RB312 R11
RB70
308 Taxi meter protective fuse 309 Taxi meter
Rn.d.
R309
HM6B
BN 312
Copyright by Fiat Auto 129

Marea- Marea Weekend
2000 range ©
Electrical equipment
Connector blocks
55.
319 Connection for car phone
GN310A.
V48C.
Z48C.
N 22.
RV4J
BV48A
321 TELEPASS connection
R310F
320 Aerial feeder
RV48A
322 Seat height adjustment connection
N 19
323 Seat lumbar adjustment connection
Sn.d.
SN 19
328 Hazard warning lights relay
Sn.d.
SN 19
326 Additional heater control unit
AB350
R347 AV n.d.
332 Ignition activated power relay
Vn.d.
Sn.d. N22
AN n.d.
Copyright by Fiat Auto 133