2000 FIAT MAREA heater

Marea-Marea Weekend
2000 range O
Electrical equipment
Wiring diagrams
55.
Starting - Electronic injection - Recharging and warning light - Low engine oil pressure warning light - Heater plugs
warning light - Injection system failure warning light - Fuel preheating (1910 JTD)
Copyright by Fiat Auto 73

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.
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.
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

Electrical equipment
Connector blocks
Marea-Marea Weekend
2000 range @)
55.
344B I.E. protective fuse (JTD)
RN n.d.
RN n.d.
345 Fuel temperature sensor (JTD)
S55
SN 55
346 Additional heater relay 347 Additional heater relay
AR326
Mn.d
AG n.d.
Mn.d
Rn.d.
Rn.d
R326
AG n.d.
348 Additional heater remote control
swictch 349 Additional heater protection fuse
Mn.d
AV n.d
N n.d.
NZ 351D
Rn.d.
350 Additional heater sensor 351
AB326
Nn.d.
Additional heater spark plugs
\ N n.d.
N n.d.
0
NZ 348
0 N n.d.
136 Print n° 506.763/23

A
21
128 Connection between front/radiator cables
129 Engine cooling fan protection power fuse
129A Power fuse protecting engine cooling fan
no.2
131 Fiat-CODE electronic control unit
132 Petrol vapours cut-out solenoid valve
134 Connection between rear/heated driver's
seat cables
135 Connection between rear/heated passenger
seat cables
136 Detonation sensor
136A 2nd Detonation sensor
137 Vehicle speed sensor
138 Idle adjustment actuator
139 Tester socket for injection system
141A Heated Lambda sensor (upstream of cat.)
141B Heated Lambda sensor (downstream of
cat.)
142 Switch signalling insufficient engine oil
pressure
143 Alternator
144 Rev and TDC sensor
145 Starter motor
146 Throttle valve potentiometer
147 Compressor for air conditioning
148 Earth for electronic injection
150 Injection system relay feed
151 Relay feed for Lambda sensor, electric fuel
pump, injectors
152 Fuse protecting injection system
152A Fuse protecting injection system
152B Fuse protecting injection system
154 Engine cooling fan
155 Ignition coil unit
156 Spark plugs
159 Reversing lights control switch
162 Injector (1)
163 Injector (2)
164 Injector (3)
165 Injector (4)
165A Injector (5) (1998)
166 Idle adjustment actuator
167 Air flow meter
168 Timing sensor
170 Resistance for engine cooling fan
174 Power earth for A.B.S.
177 Sensor on left front wheel for A.B.S.
178 Sensor on left rear wheel for A.B.S.
179 Sensor on right front wheel for A.B.S.
180 Sensor on right rear wheel for A.B.S.
181 A.B.S. hydraulic control unit
182A Right brake pad wear sensor cable connec­
tion
183 Ignition coil (1°)
184 Ignition coil (2°)
185 Ignition coil (3°)
186 Ignition coil (4°)
187 Ignition coil (5°) (1998)
189 Variable valve timing
190 Injection/ignition electronic control unit
(1998)
193 Earth for electronic injection
194 Injection/injector braid lead connection
195 Injection/ignition electronic control unit
(1596)
199 FIAT CODE aerial
201 Heaer plugs control unit
202 Heater/air conditioning unit symbol lighting
bulbs
206 Car interior climate control fan
209 Intake air flap control actuator
211 Frost sensor
222 Climate control system earth
223 RPM sensor
228 Heater plugs (TD)
231 Clock spring connector
236 Connection betwen rear lead and tail-gate
238 Rear electric windows control unit
239 Connection between Air Bag/left preten­
sioner cables
240 Connection between Air Bag/right preten­
sioner cables
241 Left pretensioner
242 Right pretensioner
243 Luggage compartment light button
244 Integrated services control system
245 Rear courtesy light
248 Radio controls on steering wheel
252 Connection between automatic transmis­
sion/engine cables
253 Air conditioner control unit
254 Climate control system controls with pas­
senger compartment temperature sensor
255 Electronic speed governor for climate con­
trol fan
256 Air mixture control actuator
257 Fuel pump relay feed
258 Treated air temperature sensor
259 Required temperature adjustment switch
260 MAX-DEF microswitch
261 Tailgate locking/unlocking actuator
262 Seat belts warning light switch
264 Left rear vehicle interior courtesy light
265 Right rear vehicle interior courtesy light
267 Automatic transmission control unit
268 Connection between automatic transmis­
sion/front cables
269 Connection between automatic transmis­
sion/dashboard cables
270 Connection between automatic transmis­
sion/rear cables
271 Kick-down switch
272 Ignition switch solenoid
273 Automatic transmission system protective
fuse
Co