2001 FIAT MAREA temperature sensor

Electrical system
Component location
Marea-Marea Weekend
2000 range ©
INSTRUMENT PANEL CONNECTIONS
Component key
3
4
6
8
10
11
12
18
22
28
55
56
70
88
89
90
Power fusebox
Junction unit
Instrument panel
Left front earth
Engine battery earth
Battery
Ignition switch
Left rear earth
Left facia earth
Connection between facia/rear cables
Connection between front/engine cables
Fuel level gauge control unit
Connection between facia/front leads
Insufficient brake fluid level sensor
Left brake pad wear sensor
Switch indicating handbrake applied
137 Vehicle speed sensor
142 Switch indicating insufficient engine oil
pressure
262 Seat belt warning light switch
334 Engine temperature twin sender unit
335 Sensor for detecting water in diesel filter
55.
Instrument panel
1
2
3
4
5
6
7
8
9
9
10
11
11
F3V95
BN 88*
BR 89A*
CL 333A I JTD
MN 131B
LN 333A | JTD
HN55
HG55*
LN 190A 1998
LN 195A | 1596
RV95
GN 195A 1596
GN 190A 1998
12
12
12
13
14
14
15
16
17
17
18
18
18
VB 333A JTD
VB 190A 1998
1596
1998
VB 195A | 1596
AG n.d. *
CN 55 *
CN 55C *
HB 55
HL70
HM 55*
HM 55C * |
L190A
Ln.d.
L195A
•••••••
•••••••
18 10
JTD
1596
1998
1998
JTD
1581
6B Instrument panel
13
1
2
3
4
5
6
8
9
11
12
13
14
RG4J
RV n.d.
RV n.d.
C117
GV 70 *| JTD
M28A*
A4H
AN4H
GN n.d.
LB4J
BN 28A *
RN 4H
15
16
18
19
20
21
22
23
25
26
H70
CN n.d.
GR 58
N22*
HG 28A *
GL34A
R4I *
N22*
VN48A
HM309
•••••••••••
•••••••••••
26 14
4F048ML03
The cables concerned are marked in the wiring diagram with an asterisk
48 Publication no. 506.763/24

Electrical equipment
Component location
Marea-Marea Weekend
2000 range ®
Instrument panel connections (C.A. version)
Component key
3 Direction indicator
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
28 Connection between facia/rear cables
55 Connection between front/engine cables
56 Fuel level gauge control unit
70 Connection between dashborad/front ca­
bles
88 Insufficient brake fluid level sensor
89 Left brake pad wear sensor
90 Switch signalling handbrake applied
137 Vehicle speed sensor
142 Switch signalling insufficient engine oil
pressure
262 Seat belt warning light switch
334 Dual engine temperature sending unit
55.
6A Instrument panel
AG n.d. * BR 89A *
MN 131
HG 55 *HM55
RV95
6B Instrument panel
GL34A
*N22
AN4H
28A Facia/rear lead connection
RN n.d
GN 309
NZ22
AR120
MB34A
V70
RN n.d.
V107A
70 Connection between dashborad/front cables
A1 B1 C1 — RN4C — M29 — AN4C A2 B2 C2 — VG127 — V328 — HR100B A3 B3 C3 — H100B — AG n.d. * — HN 100B A4 B4 C4 — HL6A — LN 100B — HG 100B A5 B5 C5 — CB 100A — BN 375 — HV 100B A6 B6 C7 | — S100B — B375 — GV335 JTD A7 B8 C8 • — V 100A — MN n.d. — RB 307 I TAXI A8 C8 — N 8 — GN 195A ^
A1 — RN120 A2 — VG120 A3 — H6B A4 — HL120 A5 — CB28A A6 — Rn.d. A7 — A34A A8 — N312
B1 — M 310C B2 — V28A B3 — AG 41* B4 — AB4I B5 — BN120 B6 — B117 B7 — AN 120 B8
C1 — AN 120 C2 — HR28B C3 — HN28B C4 — HG28B C5 — HV28B C7 — GV6B C8 JTD
C8 RB312 TAXI
RN315 — GN6BCS
4F060ML05
* The cables involved in the wiring diagram are marked with an asterisk.
50 Print n° 506.763/23

Electrical equipment
Component location
Marea- Marea Weekend
2000 range ®
Climate control system/heater with thermostatic adjustment (1596)
Component key
3 Power fusebox
4 Junction unit
6 Instrument panel
9 Right front earth
10 Engine battery earth
11 Battery
12 Ignition switch
13 Connection between right/left front cables
28 Connection between facia/rear cables
34 Switch control unit
36 Connection between dashboard/right
front door cables
68 Right door mirror
70 Connection between dashborad/front ca­
bles
120 Connection for air conditioning unit ca­
bles
124 Air condiitoning compressor control relay
127 Connection between front left cable/cable
on relay holder bracket
147 Air conditioner compressor
195 Ignition/injection control unit (1596)
202 Heater/air conditioner unit control symbol
lighting bulbs
206 Climate control system fan
207 Fan speed adjustment switch
209 Air intake flap control actuator
211 Frost sensor
222 Earth for air conditioning system
233 Thermal switch on engine coolant pump
244 Integrated services control system
253 Air conditioner control unit
254 Climate control system controls with inte­
rior temperature sensor
255 Electronic speed variator for climate control
fan
256 Air mixing control actuator
258 Treated air temperature sensor
259 Required temperature adjustment solenoid
260 MAX-DEF microswitch
365 4-stage pressure switch
375 Standardized diagnostic socket
55.
36 Connection between dashboard/right front door cables
* S 28B.
HG310D
GN 244A
Z28B
N 19 _
A n.d.
AG n.d
B310E
MN n.d.
LR66
BN 111B
HV66
AG 68
MN 68
1 20 Connection for air conditioning unit cables
1Z 28B.
*N22.
"AN 70
' RN 70.
. Z n.d.
127
1596
Connection between front left cable/cable on relay holder bracket
62 AN n.d. *
B3 MG 195A*
A2 RN 13 B4 S195A*
A4 AB 195A B5 VN3A
A5 AG 195A B6 B195A
A6 M3A* B7 VG70*
A7 MN 13* C2 BN 195A
A8 Cn.d. C3 HL n.d.
C4 SG n.d.
RN 98
_AlAV123 g*]
A5 AG 122
_A6_ M 124 * [§]
JiL MN 124 *[§]
_*!L C n.d.
_§?_ AN 124*[§]
_B3_MG 124 *§]
-US 365* [$]
J*!LVN98
J?6. B 365 [ffi
_g7_ VG 365*[ _2?_BN365 [§]
_Pi_ HL98
_?i_SG 98
The cables involved in the wiring diagram are marked with an asterisk.
52 Print n° 506.763/23

Electrical equipment
Component location
Marea- Marea Weekend
2000 range ®
Climate control system/heater with thermostatic adjustment (1910 JTO)
Component key
Power fusebox
Junction unit
Instrument panel
Right front earth
Engine battery earth
Battery
Ignition switch
Connection between right/left front cables
Connection between facia/rear cables
Switch control unit
Connection between
front door cables
Right door mirror
Connection between
cables
Connection for air conditioning unit ca­
bles
124 Air condiitoning compressor control relay
127 Connection between front left ca­
ble/cable on relay holder bracket
Air conditioner compressor
I.E. system relay feed
Heater/air conditioner unit control sym­
bol lighting bulbs
Climate control system fan
Fan speed adjustment switch
3
4
6
9
10
11
12
13
28
34
36
68
70
120
147
150
202
206
207
dashboard/right
dashborad/front
209 Air intake flap control actuator
211 Frost sensor
233 Thermal relay on engine coolant pump
244 Integrated services control system
253 Air conditioner control unit
254 Climate control system controls with in­
terior temperature sensor
255 Electronic speed variator for climate control
fan
256 Air mixing control actuator
258 Treated air temperature sensor
259 Required temperature adjustment sole­
noid
260 MAX-DEF microswitch
333 Injection control unit (JTD)
334B I.E. protective fuse (JTD)
365 4-stage pressure switch
375 Standardized diagnostic socket
55.
36 Connection between dashboard/right front door cables
' S 28B.
HG310D
GN 244A
Z28B*
SN 28B
A n.d.
AG n.d.
B310E
MN n.d
LR66
BN 111B
HV66
1 20 Connection for air conditioning unit cables
' Z 28B
*N22.
"AN 70
.Zn.d.
1 27 Connection between front left cable/cable on relay holder bracket
JTD
HL BR n.d.
_ALMNI3*
HL AR n.d.
HL MG 333A'
HL GN55
HL AR n.d. *
HL AG 333A A8 RG289
_A1_ BR 303 B4 B365 A2 MN 124* $ B5 VG 365 * A3 AR124 B6 N365 A4 MG 124* $ B7 BN 365 A5 GN 304 B8 VN 98 A6 HN 304 * C1 SG 98 A7 AG 122 C2 M 124*[*g A8 RG304 C3 Cn.d. B1 RN 98 C4 AB n.d. B2 HL 98 C8 R152 B3 S365*
The cables involved in the wiring diagram are marked with an asterisk.
54 Print n° 506.763/23

Electrical equipment
Component location
Marea- Marea Weekend
2000 range ©
Climate control unit/heater with thermostatic control (1998)
Component key
] 3 Power fusebox
4 Junction unit
6 Instrument panel
10 Engine battery earth
11 Battery
12 Ignition switch
28 Connection between facia/rear cables
34 Switch control unit
36 Connection between dashboard/right
front door cables
55 Connection between front/engine cables
68 Right door mirror
70 Connection between dashborad/front ca­
bles
120 Connection for air conditioning unit ca­
bles
124 Air condiitoning compressor control relay
127 Connection between front left cable/cable
on relay holder bracket
147 Air conditioner compressor
190 Injection/ignition electronic control unit
(1998)
202 Heater/air conditioner unit control symbol
lighting bulbs
206 Climate control system fan
207 Fan speed adjustment selector
209 Air intake flap control actuator
211 Frost sensor
222 Earth for air conditioning system
244 Integrated services control system
253 Air conditioner control unit
254 Climate control system controls with inte­
rior temperature sensor
255 Electronic speed variator for climate control
fan
256 Air mixing control actuator
258 Treated air temperature sensor
259 Required temperature adjustment solenoid
260 MAX-DEF microswitch
365 4-stage pressure switch
375 Standardized diagnostic socket
55.
36 Connection between dashboard/right front door cables
* S 28B.
HG 310D
GN 244A
Z28B
N 19.
A n.d.
AG n.d.
B310E.
MN n.d
LR66
BN 111B
HV66
1 20 Connection for air conditioning unit cables
* Z 28B.
*N22.
'AN 70 _
*RN70
'BN 70
AR28A
GN310A*
. Zn.d.
1 27 Connection between front left cable/cable on relay holder bracket
1998
A1 Rn.d. B1 MB 4C A2 RN 13 B2 AN n.d. * A3 BG 190A B3 MG 190A* A4 AB 190A B4 S190A* A5 AG 190A B5 VN3A A6 M3A* B6 B 190A A7 MN 55* B7 VG70* A8 Cn.d. B8 Rn.d.
C2
C3
C4
C5
C6
C7
BN190A B1
HLn.d. C1
SG n.d.
HRn.d.
AR n.d.
G 190A
A1 Rn.d. B4 S365* 0 A2 RN 98 B5 VN 98 A3 BV151 B6 B365 A4 AB123 @ VG 365' A5 AG 122 @ B8 R 150 A6 M 124* C2 BN 365 A7 MN 124* C3 HL98 A8 Cn.d. C4 SG98 B1 MB 151 C5 HR 152A B2 AN 124 * C6 AR152B B3 MG 124* C7 G 150
The cables involved in the wiring diagram are marked with an asterisk.
56 Print n° 506.763/23

Electrical equipment
Component location
Marea-Marea Weekend
2000 range ©
55.
Starting - Electronic ignition and injection - Recharging and warning light
light - Injection system failure warning light - Rev counter (1596)
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
2 Left facia earth
55 Front/engine lead connection
56 Fuel level gauge control unit
57 Inertia switch
70 Connection between dashborad/front
cables
132 Petrol vapour cut out solenoid valve
136 Knock sensor
138 Idle adjustment actuator
141A Heated Lambda sensor (upstream of
cat.)
141 B Heated Lambda sensor (downstream of
cat.)
143 Alternator
144 Rpm and TDC sensor
145 Starter motor
146 Potentiometer on throttle valve
150 Injection system relay feed
152 Fuse protecting injection system
155 Ignition coil unit
156 Spark plugs
162 Injector (1st)
163 Injector (2nd)
164 Injector (3rd)
165 Injector (4th)
168 Timing sensor
193 Earth for electronic injection
194 Injection lead/injector braid connection
195 Ignition/ injection control unit (1596)
334 Dual engine temperature sender unit
373 Air pressure and temperature sensor
375 Standardized diagnostic socket
55 Front/engine lead connection
1596
CN6A.
HG6A.
* HN 6A
1 CN n.d.
MB6A.
NZ8_
* ZB n.d
*RG195A_
HM6A
CN n.d. HN 143 *
HG 142
1 95A Injection/ignition electronic control unit (1596)
1596 1 N 141A* 20 L 141A* 29 RN n.d. *
2 NZ141B* 21 BN 127 35 B 127
4 L6A* 23 GN 6A* 36 LR252 [c*
5 V252 0 23 GN70 0 40 AG 127
9 LN 141A* 24 B141B* 41 MG 127
12 R 141B* 25 BR n.d. 0 44 Vn.d.*
13 GV131 25 BR 375 * 46 BG 268 [a
14 AB 127 26 LN6A* 47 C n.d. *
15 SB 150* 27 N 193* 48 S 127
16 GN 252 [cal 28 N 193* 49 NZ252
27 282,9 41 52
O I I I I I I -r-r-r'n , , r'l -r-
rrrri '/ 1 1 1 1 1 1 1 1 1 1 1 \1 L/-HJ 'A i I I i i ,I
40
1 95B Injection/ignition electronic control unit (1596)
1596 53 R144* 65 VB 138* JL. NZn.d. *
54 N n.d. * 66 LR 155 * _ZL HM194*
55 ZB 278 * 67 B 144* _7JL HV194*
56 L136* 68 V278*
57 C138* 69 B 168*
58 HN 138* 70 Z136*
59 GN 155 * 71 HG 194 *
60 S 146* 72 HL194*
62 SN 339 * 75 RN 278 *
64 GR138* 76 BR 146 *
74
67-Jf Mill i i r r-l I I I
60-
IE
L -j |l
53 59
The cables involved in the wiring diagram are marked with an asterisk.
70 Print n° 506.763/23

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

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