1981 Citroen CX fuse box

Downloaded from www.Manualslib.com manuals search engine TABLE OF FUSES
Supply to Fuse
Colour Rating Circuit protected
‘Air blower
Fast idle electro-magnet
Air-conditioning relay Mauve 16 Amps Fast idle relay
Compressor clutch
Relay for L.H. air-conditioning blower
Positive terminal of
battery (( t )) Red
Green Clock
Hazard warning
Stoplamps
Idling speed cut-off
Voltage regulator
16 Amps
I’ Horn
Anti-
Relay for compressor horn
theft Windscreen wiper and washers
device Instrument panel (lighting rheostat
battery meter. warning lamps for oil
pressure and temp., brake pad wear,
coolant, oil gauge lighting)
Direction indicators
Relay for front window-winder
Heater unit relay
E Relay for rear window-winder
Cigar-lighter on centre console
Exterior mirror
Anti- Water temperature gauge
theft Reversing lamps
16 Amps device Heated rear window
Handbrake warning lamp on instru-
ment panel
Glove-box lighting
Centre and rear interior lamps
Bonnet lighting
Boot lamp
Accessory terminal (radio 1
Front window-winder relay
Lighting switch White
Yellow 16 Amps L.H. & R.H. switches L.H. 6 RH. window-winder
Map-reading lamp ( + 5Amp. in-line fuse )
Lighting for heater controls
10 Amps Lighting for ashtray and cigar lighter
Lighting for water temp. gauge and intrument panel
Sidelamp warning lamp
L.H. and R.H. sidelamps. front and rear
Number plate lamp
Fog-lamp switch White 10 Amps Fog-lamp warning lamp
L.H. and R.H. fog-lamps
(( + 1) Battery terminal
Relay for rear window-
winder Yellow
White 16 Amps L.H. and R.H. rear cigar-lighters
16 Amps Switches -L.H. and R.H. window-winders, rear
-.. -- . ..-...- . . . -..---m-
IDENTIFICATION
OF WIRING HARNt33t3
AV Front ( no identification of circuit diagram) PD Rear R.H. door
C Boot PG
Rear L.H. door
co Compressor PR
Rear doors
M Engine Rear PC
Boot lid TRS Instrument panel Cl RCUI T DIAGRAM
L3
P.T.O.

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 510-00 b : i
.,.~//,q~~r~/~/// o/ //IV ~,lc,ctrit 01 iti.sfnl/nlio,l Op. MA. 510-00 b 7
I /IONI 9
1075 )
dent,
lark
1
2
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60 DESCRIPTION OF COMPONENTS
Description and Location
‘rant R.H. sidelamp 93 .........................
‘rant R.H. direction indicator .............
33
3 .H. headlamp main beam ............... 102
dipped .beam ............... 101
3.H. blower motor .......... ........ ...... 56
iorn ....... ...... ....
........................... 10
,,H, blower motor ...........................
54
,.H. headlamp main beam .................. 100
dipped beam ........... 99
‘rant L.H. sidelamp ........................
92
Front L.H. direction indicator ................ 30
[gnition coil and anti-interference condenser 58
‘I.T. sensor socket .............................
63
jensor for No. 4 cylinder ................
63
5tarter motor .......................... 3
41ternator and anti-interference condenser 6
Distributor ...... ......................
60
Thermal switch for ventilation ............ 57
Horn compressor ................................ 8
Relay for rear door window winder ....... 71
L H. air conditioning blower relay ............
49
Relay for fast-idle ........................... 52
Air-conditioning pressure switch ............ 51
Battery ...............................
1
Voltage regulator ..................... 6
Diagnostic socket ...................... 64
T.D.C. sensor .......................... 63
Reversing lamp switch ......................
78
Air-conditioning compressor clutch.. ........
51
Relay for compressed air horn ............... 8
Windscreen washer pump ......... ........ 15
Fast idle electro valve ......................
49
Engine oil pressure switch ............... 26
Idle cut-off ...................................
6
Oil temperature switch .: ....................
28
Coolant temperature switch ............
22
Coolant temperature sensor ...............
76
Relay for L.H. blower ....................... 55
Relay for front window-winders ............
44
Relay for heating and air-conditioning
.... ..4 7
Relay for F.H. tlower ........................
57
Front R H. brake unit .........................
21
Front R.H. door lighting switch ............ 81
Windscreen wiper motor ...........................
13
Under-bonnet lighting. ..................... ..... 84
Air blower motor ...................................... 47
Hydraulic fluid pressure switch ............ 24
Stoplamp switch ..................................
37
Fuse box ( 2 fuses ) ......................
69-71
Fuse box (6 fuses ) ..... 12-44-47-75-94-98
Front L.H. brake unit ............................
18
Front L.H. door ‘lighting switch .............
80
Glove-box lighting ................................. 79
Map-reading lamp and fuse .....................
92
Handbrake warning flasher unit ..............
90
Air-conditioning thermal switch .......... 51
Lighting for pneumatic oil gauge ............
27
L.H. outside mirror switch ................
75
&.H. outside mirror ................................. 75
R.H. front door window-winder motor ...... 43
Front R.H.loudspeaker ....................... 88
Interior lamp centre .............................. 81
Cigar,lighter on console and lighting .... 73-94
Lighting for ashtray .............................. 95 dent.
lark
2
63
b:
66
67
68
69
3:
5;
5:
76
77
78
79
80
to9
8:
93
94
95
99s Description and Location
Anti-theft switch
.._.. _..,..... _. 3-12-58-75
L H front door window-winder motor i;
Front L.H. loudspeaker
Front R.H. window-winder switch ....... .... 43
Front heater control lighting ..............
93
Front L.H. window-winder switch
........ 39
Coolant temp. gauge + lighting
........ 76-95
Direction indicator flasher unit ......... 34
Rear R.H. door lighting switch
................ 83
Rear R.H. cigar-lighter ’ ...................
69
Rear R H. window-winder switch
........ 70
Air blower switch ...............................
48
Centre interior lamp switch
.................. 81
Heater rear window switch
...................... 89
Lighting for rear heater controls
....... 94
Air conditioning switch
................
51
Handbrake warning switch
....................
91
Light.ing t rear foglamp switch
.... 94 to 100
Speed0 t tacho lighting rheostat
....... 20
Instrument panel
Lighting .............. 93-94
Tachometer
........................................ 58
Battery meter ( thermal voltmeter )
.....
18
Fuel gauge .., ................... ...................... 16
Lighting for speed0 + tacho
............. 19-20
Clock and lighting ........... ...............
92-29
Warning lamp for heated rear window
...... 90
Warning lamp for dipped beam
............. 99
Warning lamp for bt-ake pad wear
.......... 19
Warning lamp for engine oil temp. .......... 28
Warning lamp for coolant temp
..........
22
Warning lamp for eng. oil pressure ......... 26
Emergency (( STOP )) warning lamps
... ...23-2 5
Test button for (( STOP )) warning lamps
21-23-25
Warning lamp for hydraulic fluid press ..7.4
Warning lamp for hazard warning 30
Warnina lamu for converter oil temo.
Warnin; lamb for sidelamps
..... : ..........
95
Warning lamp for direction indicators
.... 36
Warning lamp for main beam
................. 101
Warning lamp for handbrake
....................
91
Warning lamp for rear fog lamps ........... 97
L.H. control unit
Direction indicators and haz.warning 30 to35
Horns ... ........................................
9 and 10
Windscreen wipers and washers
.... 12 to 15
L.H. rear door lighting switch
................
82
Rear L.H. cigar-lighter
............................ 65
Rear L.H. window-winder switch
............ 65
Rear R.H. window-winder motor
......... 69 Rear Re H loudspeaker
............................ 88
Fuel gauge rheostat ....................... .....
16
Rear R.H. interior lamp
......................
83
Rear R.H lamp cluster
Stoplamp and sidelamp
................ ... 37-97
Direction indicator .............................. 32
Reversing lamp ...................................
78
Foglamp .................................................
98
Heated rear window
.................................. 89
R.H. number plate lamp
97 ..........................
Boot lamp
.......................................
85
L.H. number plate lamp.. ..........................
95
Boot lamp switch
.............................. 85
Rear L.H. lamp cluster Stoplamp and sidelamp
....................... X6-95
Direction indicator ......................... ........
31
Reversing lamp
.......................
................
Fog lamp
.................................................. ii
Rear L.H. interior lamp ............................
Rear L.H. window-winder’motor
............. 68;
Rear L.H. loudspeaker ............................ 87

Downloaded from www.Manualslib.com manuals search engine TABLE OF BULBS
Use Quantity Base
Type Voltage Rating French standard
Bain and dipped beams Yellow
2
‘. 43 t. 38 ( for France) l2 ’ 60/55 W
3ear sidelamps and
3tOplamps
2 BA15d P.25/ 2 12 v 211’5 W R. 136-12
Direction indicator
Foglamps
Reversing lamps
Front sidelamps
yumber-plate lamps
Under- bonnet lamp
[nterior lamp
Wap-reading lamp
Rear interior lamps
Lighting for speedo.
2nd tacho.
Slave-box lamp 4
2
2
2
2
1
3
1
2
2
1 Pear-shaped
BA15s’1g
P,. 25/l 12 v 21 w R. 136-12
BA15s/19 12 v 5w R. 136-13
Festoon 12 v 7w R 136-05
Festoon 12 v 5W R. 136--14
BA.9 s T 8/4 14 v 4w
BA. 9 s T 8/2 12v 2w R 136-34
tiarning lamps 15
Lighting for cigar
lighter 1
Lighting for ashtray 1 Wedge base dia. = 5 12 v 1.2 w
Lighting for oil gauge 1
Lighting for instrument
2 12 v 2w
panel
Wedge base diu. =
10
Lighting for odometers 1 24 V 3w
KEY TO CIRCUIT DIAGRAM SYMBOLS +
Wiring connector A
-r C,apacitor
t 0 6V Connection block Motor, electric
Fuse Lighting
b b
16 Switch,manual Warning lamp
A P
P Switch, mechanical Instrument dial
? b
)# Switch
b Y , pressure Resistor
IQ Switch, thermal Rheostat
P
Coi I winding

Downloaded from www.Manualslib.com manuals search engine 10 OPERATION No MA. 510-00 b : A ,tnrt g ’
( O.fjtft 91 107 5 ) TABLE OF FUSES
Supply to
I
Fuse
Circuits protected
Rating Colour
Heater unit relay 16 A Mauve Heater unit
Positive terminal of
battery (( + u 16
A Red Stoplamps
Accessory terminal
Glove-box lighting
E Direction indicators
Windscreen wipers and washers
Horns
Ignition
SW itch
Warning lamp panel ( Battery
meter ( thermal voltmeter ) -Brake pad wear warning
lamp -Fuel gauge- Oil pressure warning lamp - Hydraul.
fluid pressure warn. lamp-Water temp. warning lamp )
Tachometer, (( STOP)) warning lamp
16 A Green Interior lamp
Boot lamp
Cigar lighter
Clock
Hazard warning lamps
Voltage regulator
Reversing lamps
Ignition Heated rear window
switch
E Handbrake warning lamp
Rear screen washers and wiper
Window-winder relay
Lighting switch 16 A
10 A White
Yellow R.H. switch - R.H. window-winder
L.H. switch - R H. window-winder
Ashtray lighting
Cigar-lighter lighting
Heater controls lighting
Instrument panel lighting : Clock
Battery meter
Odometers
Sidelamp warning lamp
L.H. sidelamps, front and rear
10 A Blue R.H. sidelamps. front and rear
Number plate lamp Cl RCU IT DIAGRAM

Downloaded from www.Manualslib.com manuals search engine Op. MA. 510-00 b 11 DESCRIPTION OF COMPONENTS
lent.
lark Description and Location Ident.
mark Description and Location
1
Front R.H. sidelamp
........................ 79
54 Switch for L.H. window-winder
..... ....... 52
Front R.H. direction indicator
.............. 26 55 Flasher unit
26 ....................................
2 R.H. headlamp - main beam ............... 83 Lighting for heater controls
................... 73
L dipped beam
........... 81 “5;
Switch for interior lamp
10 ..........................
4 Horn
.... 46 58 Switch for heated rear window
................ 19 ..................................
5 L.H. headlamp main beam
82 59 Rear screen wiper switch
.................... 15
Front L.H. sideli?pped..beam ... 80 60 Contact for handbrake
..................... 21
6 ............... ..
74 61 R.H. control unit ( lighting )
............... 77
Front L.H. direction indicator
............ 21 Lighting rheostat for tacho and speed0
.... ..3 3
8 H.T. Sensor .................................
69 62 Lighting for instrument panel
........ 73-74
9 Ignition coil
........................... 66
Tachometer .............................
69 10
Blower motor ...............
.................
63 Battery meter (thermal voltmeter )
........ 31 11 starter
...............................................
3 Fuel gauge unit ................ ..... ...... 30
12 Alternator ............................................
5 Lighting for odometers
...................... 32-33 13 Distributor
.... ......... .......... ..........................................
66 Clock and lighting
29-72 14
Electric fan thermal switch 64 Warning lamp for heated rear window ......
................. 20
15
Compressor for horns ........................... 48 Warning lamp for dipped beam
................. 80 16
Compressor relay .............................. 47 Warning lamp for brake pads
................... 32 1’;
Battery ...........................................
1 Warning lamp for oil temp. ...................... 40
Voltage regulator .............................. 6 Warning lamp for water temp. ............. 34
19
Sensor for No. 4 cylinder ....................
69 Red (( STOP )) warning lamp ..... ..... 36-38
:: Windscreen washer pump ....... ................. 45
Warning lamp for hydraulic fluid pressure 36
Socket for fault-finding (diagnostic )
.... 70 Warning lamp for hazard warning
....... 22 23
Oil pressure switch ..........................
39 Warning lamp for sidelamps .......
.......... 75 :“5
Idle cut-off ....................................... 65 Warning lamp for direction indicators ...... 28
Oil temperature switch ..................... ... .. 40 Warning lamp for main beam
........... 82
:; Coolant temperature switch
.....................
35 ,Warning lamp for handbrake
............... 21
T.D.C. sensor .......................................... 68 63
L.H. control unit
28 Switch for reversing lamps ....................... 8
Direction indicators and hazard warning
24
29 Relay for window-winder ........................
54 1
Horns 46 .............. ............... ..........
30 Relay for heater unit
........................
50 Windscreen wiper motor
.. .............. 43
31
Relay for electric fan ................
63 Windscreen washer pump .................... 45
32
Front R.H. brake unit
.................... 34 64 Fuel gauge rheostat ..............................
30
33 Windscreen wiper motor ........................... 12
................ 43 65 Rear interior iamp
34 Blower motor 50 66
Rear screen washer pump ...................
17
................... ................. 35
Stoplamp switch
58 67 Rear screen wiper motor
.......................... 13
..........................
36 Hydraulic fluid pressure switch
37 68 Heated rear window ...............................
19
..............
;‘8 Fuse box 8-49-50-54-74-77 ;; Rear screen wiper timer ....................
15
............. .........
Front L.H. brake unit
............................... 31 Rear R.H. lamp cluster
39 Front R.H. door lighting switch’
............ 10 Sidelamp
.......................................... 78
10 R.H. window-winder motor
................... 56 Stoplamp ..............................................
53 11
Glove-box lighting 59 Direction indicator ..................................
24 ...... ...........................
42
Lighting for ashtray 72 Reversing lamp ... ........... ............ .......
9 .....................
43 Accessory terminal (radio ) .................. 56 71
R.H. number plate lamp .......................... 75
44
Lighting for oil gauge ........................ 38 72 L.H. number plate lamp ............... ... ....... 77
45
L.H. front door lighting switch
...........
9 73 Rear L.H. lamp cluster
46 L.H. window-winder motor
76 ..................... 52 Sidelamp
.............................................
47 Central interior lamp 57
..........................
10 Stoplamp
..........................................
48
Cigar-lighter and lighting ...............
9-71 Direction indicator 23 .........................
49 Handbrake warning lamp flasher unit ....... 20 Reversing lamp
8 ................................
50 Anti-theft switch
.......................... 4-8-4966
53 Switch for R.H, window-winder
............ 56 IDENTlFlCATlON OF WIRING HARNESSES
No mark
RD
LMG TB
co UF
Front wiring harness RG Rear L.H. harness
Rear R.H. harness H Rear door harness
Engine harness D
Diagnostic harness ( fault-finding )
Window-winder MC1
Centre console earth lead
Instrument panel MC2 Centre console earth lead
Compressor FV
Flying lead
Front brake pad wear CFR Reversing iamp switch harness

Downloaded from www.Manualslib.com manuals search engine 12 OPERATION No MA. 510-00 b : .A rlan ement oi the CIerlrical iustallatiw
I:
( from 9/ 1075 i
TABLE OF BULBS
Use Quantity Base
Type Voltage Power French standard
Ref. NO.
Yellow
3ipped beam headlamps 2 P. 45 t 41
(for France) 12 v 40/‘45 w R. 136-15
Main beam headlamps 2 x 511 H2 12 v 55 w R. 136-17
Direction indicators 4
Stoplamps 2 BA 15s/19 Pear-shaped 12 v 21 w R. 136-12
P 25/ 1
Reversing lamps 2
Front and rear side-
lamps 4 BA15s/19 12 v SW R. 136-13
!Iumber plate lamp 2
[nterior lamp 3 Festoon 12 v 7w R. 136-05
Boot lamp 1 Festoon 12 v 5 w. R. 136-14
Lighting for tachometer
2 BA 9 s T
md speedometer 8/4 14 v 4w
Lighting for glove-box 1 BA 9 s T 8/2 12 v 2w R. 136-34
Warning lamps 14
Lighting for cigar-
lighter 1
Wedge base dia. 5 12 v 1.2 w
Lighting for ashtray 1
Lighting for pneumatic
1
gauge
Instrument panel
lighting 2 12 v 2w
Wedge base dia.. 10
Lighting for odometers 1 24 v 3w
KEY TO. ClRCUlT DIAGRAM SYMBOLS +
, Wiring connector
I lavl
P
Connection block ( &way ) Connection block ( &way )
Fuse Fuse
A Switch, thermal
A P
P Switch; mechanical Switch; mechanical
? A
b ?
I@ )# Switch, pressure Switch, pressure
Switch, thermal Switch, thermal
? Capacitor
Motor, electric
Lighting
Warning lamp
ltistrument dial
Resistor
Rheostat
Coil winding

Downloaded from www.Manualslib.com manuals search engine DESCRIPTION OF COMPONENTS
1.
Battery
2. Starter
3. Anti-theft switch ignition and starting
4. Safety relay for starting and controlling the clutch electro-valve f ~/lr,c,r/(,r J
5. Clutch electro-valve ( co,/, V~IO~ J
6. Control relay for idling speeds f W//I r,~/or J
relay energized engine idling speed
- relay not energized 1 fast idling speed
7. Switch housing on gearbox ( WJ,, c,~/(,v J
8. Fast idle control relay / ~i)-c o~r/i/ir~//i,l~ 1
relay energized contact open fast idle
9. (( PIERBURG )) electro-valve for fast idle
- energized engine idle
not energized fast idle
10. I6 Amp. fuse 11.
General control relay 12.
16 Amp fuse 13.
Air blower ( tr’n~r// or c-old ) 14.
3-speed blower control
15. Regulating thermostat ( ~i,.=ror,c/i/irrr,i,l~: i
16. Air-conditioning switch 17.
Pressure switch on de-watering tank f ni,-=( or~rli/irrr/i~~~c ) 18.
Compressor clutch f nifsc o//di/io~i/l~ i 19.
Control relay for L.H supplementary electric fan (21 ) ( ~il..r~l/di/io//il/~ )
20. Control relay for electric fan (21 ) (
coolir~g o/ rficJiNlor (I nlc,r )
21. Supplementary electric fan for condenser ( ~il.~rol/ni/i~~ll/i//~ ) and water radiator ( cooling: J
22. Control relay for R.H electric fan ( 24) ( tooli~!: J
23. Thermal switch on water radiator ( (r)olir~,r~ to~trol )
24. R.H. electric fan for gearbox oil radiator and coolant radiator
25. Converter oil temperature warning lamp ( CM, c~sl~r J
26. Thermal switch for converter oil ( COMWKI~B ) KEY TO WI RING HARNESSES
No Mark
: Standard circuit (no optional equipment ) TB :
Instrument panel
Circuit for optional (( Converter - air-conditioning )) - No mark
; Converter wiring on body-shell
- CM : Converter wiring on engine

Downloaded from www.Manualslib.com manuals search engine Op. MA. 510-00 b 19 ELECTRONIC FUEL INJECTION ( i/ 1077 -)
TABLE OF FUSES ( LHD )
SUPPlY Fuses
Circuits protected
Ratinq Colour
Lightinq for qlove-box, bonnet and boot
Centre and rear interior lamps
Accessory terminal
Front L.H. mirror
16 Amps Green (F-2)
Flasher unit. and handbrake warninq lam1
Anti-theft
E Water temperature gauge
switch Cigar lighter
Reversinq lamps
Heated rear window, and warning lamp
+ )) Battery terminal
Instrument panel fuel gauge and low fuel
warninq lamp
Anti-theft
switch Liqhtinq for speed0 and tacho ( Rheostat )
16 Amps
(RFe3d)
_ Battery meter (thermal voltmeter ).
tachometer, warning lamp for brake pad
wear, coolant and engine oil temp. 1
enqine oil and hydr. fluid pressure.
direction indicators ( flashing )
Direction indicators
Voltage requlator
Windscreen wiper and washers
Horn
Windinq for relays for heater unit front
window-winders and horn compressor
Hazard warning lamps
Stoplamps
Clock
Winding for r-elays, for front and rear foglamps
Front and rear, L.H. and R.H. sidelamps, + warninq lamp
Number plate lamps
Lighting switch 10 Amps Yellow Liqhtinq for instrument panel (battery meter. clock. odo-
meters )
(Fl) Lighting for iqnition switch, cigar-lighter, ashtray, water
temp. gauge and heater controls.
Map-reading lamp and fuse ( 5 Amps )
10 A.mps Blue
(F4) Rear foglamps and warninq lamp
Relay for window-
winder 16 Amps White
Front L.H. and R.H. window-winder motors (FE)
Relay for air-
conditioning 16 Amps Mauve
(F5) Air blower
Air-conditioning, compressor clutch, windinq for L.H.
electric fan relay, idlinq speed control electro-valve
( according to model )
Alternator 81) Amps
Incorporated fuse ( on printed circuit ) Components not protected
: Starter, and horn compressor
- OII anti-theit .switrh : ignition circuit, E.C.U. and injector relay, petrol pump, electric fan relays and electric
fans
- cm lighting switch : main and dipped beam headlamps and warning lamps, front foglamps, winding for rear foglamp
cut-out relay.