Fiat 1998 Marea Weekend, Service Manual

Page: 503 / 846

Electrical system
Location of components
Marea-Marea Weekend
55.
Starting - Electronic injection - Recharging and warning light - Low engine oil pressure warning light - Heater plug warn-
ing light - Fuel injection fault warning light - Fuel preheating (2387 engine)
Key to components
3 P o w e r fuse box
4 F u s e and relay unit
6 Instrument panel
8 Front left earth
10 Battery earth on engine
10A Battery earth on body shell
11 Battery
12 Ignition switch
18 Rear left earth
22 Left dashboard earth
40 S t o p lights switch
55 Front left/engine c a b l e s connection
55A Front left/engine c a b l e s connection
55C Front left/engine c a b l e s connection
56 Fuel gauge sender unit
57 Inertial switch
121 Three-stage pressure s w i t c h
124 Air conditioner compressor relay
front left c a b l e / c a b l e on
unit
127 Connection between
relay holder bracket
131 Fiat C O D E electronic control
137 V e h i c l e speed sensor
139 Diagnostic socket for fuel injection
142 L o w oil pressure w a r n i n g light s w i t c h
143 Alternator
145 Starter motor
148 Electronic fuel injection earth
167 Air flowmeter
192 Air temperature sensor
200 Electrostop relay (TD)
201 Heater plug control unit ( T D )
223 Rpm sensor ( T D )
224 Instrumented fuel injector ( T D )
228 Heater plugs ( T D )
229 Engine cut-out electrostop ( T D )
266 Fuel injection electronic control unit ( 2 3 8 7 T D )
285 E.G.R. solenoid (TD)
286 Diesel pump (2387 T D )
287 Solenoid on diesel pump for a d v a n c e ( T D )
288 Electronic fuel injection relay ( T D )
289 P C T thermal contact ( T D )
290 P C T heater resistor ( T D )
291 Throttle pedal potentiometer ( 2 3 8 7 T D )
292 Clutch pedal switch ( 2 3 8 7 T D )
303 Diesel preheating fuse ( T D )
304 Diesel preheating relay ( T D )
307 Water temperature double sender unit
N,D. Ultrasound-soldered joint taped in wiring loom
167
Air f l o w meter
* L N 2 6 6
' H L n.d.
' H n . d .
N 148 '
1 92
t e m
^
e r a t u r e
sensor
' H R 2 6 6
H n . d
Fuel injection electronic control unit ( ( 2 3 8 7 )
1
* A n . d .
1 7
* R n . d .
4 2
* H V 5 5
2
* A n . d .
1 8
* N 1 4 8
4 4
• V 5 5
3
* R 2 2 3
1 9
* N n . d .
4 7
* B 2 2 3
4
* C N 5 5
21
* A V 2 8 6
5 0
* A R 5 5
5
* G 2 2 4
2 5
* B L 5 5 A
5 2
* H R 1 9 2
6
* M 2 8 5
2 6
* R N 5 5
5 3
* S N 3 0 7
8
* A N 201
2 7
* A B 1 3 9
5 5
* V N n.d.
9
* N Z 5 5
2 8
* L G 5 5 A
10
* A G 2 8 7
2 9
* M G n . d .
11
* C L 5 5
3 3
* Z B 5 5 A
1 2
* N 2 2 4
3 5
* M N 2 8 6
1 3
* H n.d.
3 7
* V B 5 5 A
1 4
* A C 2 8 6
3 8
* L N 1 6 7
1 5
* N Z 2 8 8
3 9
* C 2 8 6
1 6
* R n.d.
41
* H M 2 0 1
J* r I I I I I I I I J I I I i I I
rrn
307 Water temperature g a u g e d o u b l e s e n d e r unit
H B 5 5
• H n.d.
S N 2 6 6 "
* The wires involved in the wiring diagram are marked with an asterisk.
VII-98 - Update 1 4 / 4 VII-98 - Update Publication no. 506.763/11