Fiat 1998 Marea Weekend, Service Manual

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Electrical system
Component location
Marea- Marea Weekend
'99 range
55.
Starting - Electronic injection - Recharging and warning light - Low engine oil pressure warning light - Glow plug
preheating warning light - Injection system failure warning light - Fuel preheating (engine 1910-75)
Component key
3 Power fusebox
4 Junction unit
6 Instrument panel
8 Left front earth
10 Engine battery earth
11 Battery
12 Ignition switch
18 Left rear earth
22 Left facia earth
55 Front/engine lead connection
57 Inertia switch
127 Connection between front left cable/cable
on relay holder bracket
131 Fiat electronic control unit
143 Alternator
145 Starter motor
148 Earth for electronic injection
150 Injection system relay feed
157 Coolant temperature sensor for injection
system
223 Rpm sensors
226 Tester socket for Fiat CODE system (1910
TD-75)
228 Glow plugs (TD)
229 Electric engine stop device (TD)
285 EGR control solenoid
289 Thermal contact (PCT)
290 Heater coil (PCT)
296 Accelerator control lever potentiometer
298 E.G.R electronic control system (1910 TD-
75)
299 Coolant temperature sensor (preheating)
(191 OTD-75)
300 K.S.B. thermal switch (191 OTD-75)
301 KSB device (191 OTD-75)
302 Tester socket for EGR system (1910 TD-75)
370 Inertia switch relay (1910 TD-75)
55
1910-75
1910-75
Front/engine lead connection
MN
H B 6 A
HM6A
A R n . d
* L 6 A
C N 6 A
' RN 12A
* V 1 2 7
5 5 A Front/engine lead connection
' BR 2 2 6 .
2 2 9 '
223
R p
M sensor
298
E G R
electronic control unit (191 OTD-75)
1
R n.d. *
7
C n.d. *
2
B n.d. *
8
A R 296 *
3
BR 229*
9
N 1 4 8 *
4
V G 1 5 7 *
10
MG 5 5 *
5
V 2 9 6 *
11
HV 285 *
6
G 2 9 6 *
(*) The cables involved in the wiring diagram are marked with an asterisk.
1 0 8 XII-99 - Cancels and replaces
Publication n° 506.763/19