Page 258 of 330

Electrical equipment
Component location
Marea-Marea Weekend
2000 range ®
Starting - Electronic ignition and injection - Recharging and warning light
light- Injection system failure warning ilight - Rev counter (1998)
Insufficient engine oil pressure warning
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 Connection between front/engine cables
57 Inertia switch
70 Connection between dashborad/front
cables
68 Right door mirror
70 Connection between dashborad/front
cables
127 Connection between front left cable/ca
ble on relay holder bracket
132 Petrol vapour cut out solenoid valve
136 Knock sensor
141A Heated Lambda sensor (upstream of cat.)
141 B Heated Lambda sensor (downstream of
cat.)
143 Alternator
145 Starter motor
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
162 Injector (1st)
163 Injector (2nd)
164 Injector (3rd)
165 Injector (4th)
167 Air flow meter
168 Timing sensor
184 Ignition coils (2nd)
185 Ignition coils (3rd)
186 Ignition coils (4th)
187 Ignition coils (5th) (1998)
189 Variable valve timing
193 I.E. control unit earth
223 Rpm sensors
291 Potentiometer on accelerator pedal
292 Clutch pedal switch
296 Accelerator control lever potentiometer
334 Dual engine temperature sender unit
363 Variable valve timing actuator (998)
364 Motorized throttle body
375 Standardized diagnostic socket
376 Acceleration sensor
55.
55 Front/engine lead connection
1998
* BV n.d
MN 127
' HN 6A
* AR n.d
1 27 Connection between front left cable/cable on relay holder bracket
1998
A1 R n.d.'
HL RN 13
HL BG 190A
A4 AB 190A
HL AG 190A
A6 M3A
HL MN55
HL C n.d. *
J*L MB 4C *
J*L AN n.d.
_§§_ MG 190A
_§£. S 190A
VN3A
66 B190A
_§7_ VG70
R n.d.
C2 BN190A
_2L HL n.d.
C4_ SG n.d.
C5 HRn.fi.'
C6 AR n.d. *
_5L G 190A
A1 R n.d. * B4 S365
HL RN98 B5 VN 98 A3 BV 151 * B6 B365 A4 AB 123 J7_ VG365 J*I
HL AG 122 B8 R 150 A6 M 124 C2 BN365 A7 MN 124 C3 HL98 A8 Cn.d.* C4 SG 98 B1 MB 151 * C5 HR152A* B2 AN 124 C6 AR 152B *
B3 MG 124 C7 G 150*
1 90A Injection/ignition electronic control unit (1998)
1998 3 GV131 22 GN6A 41 BN 127 57 V 167*
6 S 127 24 ZB 291 * 44 VB6A* 59 SB 292 *
7 AN 291 * 25 A n.d* 46 LN6A* 62 AB 127
"U 8 GN 291 * 27 RN n.d. * 47 Cn.d* 63 H 167* "U
9 B 127 30 BG 127 * 48 BV n.d *
13 MG 127 31 G 127* 50 AG 127
15 RV n.d. * 32 BV n.d * 53 BR 375 *
16 BV n.d * 35 L6A* 54 MN 167 *
21 VG376 40 HB 291 * 56 ZN 291 *
32 16
49 33
1 90B Injection/ignition electronic control unit (1998)
1998 1 G n.d. * 17 V n.d. * 32 V184* 52 L165A*
2 G 141B* 19 V162* 33 B n.d. * 54 L 136*
3 G 165* 20 V164* 34 B 141A* 55 L 141 *
4 G 189* 22 V136* 35 B 163* 58 L364*
5 G 132* 23 V141A* 36 B363* 59 L223*
6 G 136A* 24 V364* 38 B 136A*. 60 L141B*
10 G223* 25 V334* 40 B364*
14 G 185* 26 V n.d. * 42 B 168*
15 G 186* 28 V 141B* 49 L n.d. *
16 G 183* 31 V187* 51 L 168*
49 33
* The cables involved in the wiring diagram are marked with an asterisk.
72 Print n° 506.763/23
Page 259 of 330
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
Page 260 of 330

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
Page 261 of 330
Marea-Marea Weekend
2000 range ©
Electrical equipment
Wiring diagrams
55.
Automatic transmission - System failure warning light ( 1596 c.a.)
11
:t-»4WIII^
276 283
Copyright by Fiat Auto 75
Page 262 of 330

Electrical equipment
Component location
Marea-Marea Weekend
2000 range ©
Automatic transmission - System failure warning light ( 1596 c.a.)
Component key
3 Power fusebox
4 Junction unit
6 Instrument panel
8 Left front earth
10 Engine battery earth
11 Battery
12 Ignition switch
19 Right rear earth
22 Left facia earth
35 Connection between dashboard/left front
door cables
40 Brake lights control switch
55 Connection between front/engine cables
110 Left front door lock
145 Starter motor
195 Ignition/injection control unit (1596)
244 Integrated services control system
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
274 Automatic transmission system protective
fuse
276 Starting enablement relay
279 Automatic transmission gear selector
280 ICE/SPORT selector for automatic
transmission
281 Shift Lock solenoid
282 Additional PARK cut out for automatic
transmission
283 Safety control unit for automatic trans
mission
284 Automatic transmission connection on
gearbox
375 Standardized diagnostic socket
55.
267L Automatic transmission control unit
*RNn.d , . Nn.d.' HN 284 * *Z269 'V284
AG 279 *
N n.d.'
OS
VN 284*
* MB 284
* C n.d.
M284
• BR 286
BG 268'
HR 279 *
* AB 268 HG 284 *
267R Automatic transmission control unit
* LN 284
' HM 280
* MN 269
' MB 279
* S 279.
GN 252'
* SN 280.
L284 / \ V284*
LR 252 *
V252*
268 Connection between automatic transmission/front cables
B 279 *
AR 279 *
*B4D NZ 276 *
• AR n.d
' BG 279 AB 279 * BG 195'
269 Connection between automatic transmission/dashboard cables
' MN 267R
The cables involved in the wiring diagram are marked with an asterisk.
76 Print n° 506.763/23
Page 277 of 330
Marea- Marea Weekend
2000 range ©
Electrical equipment
Connector blocks
55.
20 Left front side direction indicator
AN n.d
21 Right front side direction indicator
A n.d
22 Left facia earth 23A Hazard warning lights switch unit
LB7D
AB4I
N120B
N319 N332
N313
N309
N319
AR4I
23 B Hazard warning lights switch unit 24 Windscreen wiper motor
A4H
LR 7C AN4H HN7A
HG7A GV7A
25 Electric windscreen/rearscreen washer
pump 26 Windscreen wiper motor
NZn.d.
CL 236B
CB 236B
Copyright by Fiat Auto 91
Page 311 of 330
Marea- Marea Weekend
2000 range (§)
Electrical equipment
Connector blocks
55.
258 Treated air temperature sensor
Nn.d.
C253A
260 MAX-DEF microswitch
259 Required temperature adjustment switch
Nn.d.
S253A
BL n.d.
AN n.d.
Bn.d
262 Seat belts warning light switch
M28A
N 18
261 Tailgate locking/unlocking actuator
H263B
G263B
264 Left rear vehicle interior courtesy light
265 R'9HT rear vehicle interior courtesy light
Copyright by Fiat Auto 125
Page 319 of 330
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