Fiat 1998 Marea Service Manual page 776

Starting - Electronic injection - Recharging and warning light - Low engine oil pressure warning light - Glow plug pre-
heating warning light - Injection system failure warning light - Fuel preheating (1910 JTD)
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 cable/cable
on relay holder bracket
139 Diagnostic socket for fuel injection
143 Alternator
144 Rpm and TDC sensor
145 Starter motor
150 Injection system relay feed
151 Control relay for lambda probe, fuel pump
and injectors
P4F906N03
152 Fuse protecting injection system
167 Air flow meter (debimeter)
168 Timing sensor
201 Glow plug preheating control unit
228 Glow 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 sending 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. protection fuse (JTD)
345 Fuel temperature sensor (JTD)
Electrical system
Component location
55.
3 3 3 Injection control unit (JTD)
7
x n
A1 A6
— C 3 4 4 * — N n . d . *
A 7 • _ J *
A4
B n d
— N n . d . * — -
— N n . d . * — B n . d . *
19-
B1 G 2 0 1 B * B8 SN 55A *
13—paPciaE—-is
B2 BL 55A * B13 C 5 5 A *
B3 ZB 55C B23 G N 5 5 C
1
C1 NZ 345 * C20 BG 55C
C 5 LB 291 * C21 L291 *
4 0 . 0
laDDDnnnannnncf
C 8 N291 * C22 L G 291 *
C 9 BN 291 * C23 B 3 4 5 *
^ • • • • • • • • • • • • • r
14
C10 R G 291 * C26 G 5 5 A * ^ • • • • • • • • • • • p l
1 ^ I n — i
C13 HV55A
_ E 1
C N 1 6 7 ' H 8 L R 3 4 3 *
[ULr
El
3 1 .
1
jE?
C 1 6 8 *
•
VN 167 *
El
3 ^••••arjrjrjB-
_ E ? 21¬
L 1 6 8 *
LG 342 *
11-
- ^ • • • • • • • • E f -
jE . D14 HR 167"
4 N Z 1 6 7 *
El
5
jE . U u •
6
H M 3 4 3 '
B 55C
.EI
HN343"
7 ^
J ? NVn.d. * J r 5 . M V 3 3 8 *
J 3 .
V B 3 3 9 * J r l V 3 3 7 * 4
J 2
31 V N n . d . * N L 3 3 6 *
(*) The cables involved in the wiring diagram are marked with an asterisk.
XII-99
106
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S 150*
BR 139"
C37 CV 285 * C48
i • n
. 5 2
S 5 5 A *
C50
C 3 8
C 201B * HG 285 *
Et°
C51
ZN 55A * M G 2 0 1 B '
EL
C43 MZ 55A *
2
i [] 13 S N 151
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5
G L 55C
E -
3 1
H B 3 4 1 *
E l 1
J l . 4 0
C B 341 *
• • • • • • • • B f
D23 .
G 1 6 7
E!
2 HL 55A*
E .
-30 2 4
• c
D34
-20 HV 342 *
El H 3
6
D26 .
R 1 4 4 BN 334 *
10
i—il
D27 LN 334' D37
B
A
P n R n
1 1
I i — n — i r - " ?
I s n C Z i c J — e
Jk_ll IC3U
Cancels and replaces
Publication n°
'99 range
,
4 2
*
1 4 4
P4F906N02
506.763/19