1978 Citroen CX bonnet

Downloaded from www.Manualslib.com manuals search engine LIST OF OPERATIONS
IN MANUAL 818-l
Operation
number
MA. 450-00
MA,. 451-O
MA. 453-O
MA. 454-O
MA. 510-00
MA. 51 O-00 a
MA. 510-00 b
MA. 530-00
MA. 530-O
MA. 540-O
MA. 560-O
MA. 640-00
MA. 640-O
MA. 642-00
MA. 961-O
MA. 700-00
MA. 840-O
MA. 841-O
MA. 844-O
MA. 852-O
MA. 961-O DESCRIPTION BRAKES
Characteristics and special features of the braking system
Checking the brake components
Checking and adjusting the hydraulic brake control
- Bleeding the brakes on (( Saloon )) and (( Estate H vehicles (‘)/ lO76- )
- Bleeding the’brakes on (( Estate )) vehicles (
-911976)
- Adjusting the brake pedal free play
Checking and adjusting the handbrake ELECTRICITY - HEATING
I,0 12
Electrical installation ( 9, 1074 -1,1975)
- All C..X 2000 t’cJllicl0.Y. ( cJ.vc-u[)t those 1.ittcd with optimnl towitzg (,rjriiptueflt )
Electrical installation ( I/ 1975 - 711975)
- All <.X 2000 nrtcl 2200 I c>hiclcs (esrept optiwnl towing ccjrli/mv~~t )
Electrical installation ( c)/ 1 !J7 5 - J
- All Pnllas whirlck (Of 1975 :.I __._._.___............................ (Pfiges j-4)
- Prc,.s tige (I 1976 ----tJ . . . . . . . . . . . . . . . . .._.................. (Pngc~s 5-8)
- Estntc SIIpw IIf 1976 -1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (Pugc,s 9-12 )
- I~~strriv~cut pajf~,I. nil r~c~hicles (9!’ 1975 - ) . ( Page 13 )
- Tvrqrl~~ COIlI erter. (l/l976 - ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ( I’ogc, 14 )
- Air rotiditioffir~g ( - 7:
1076 ) : . . . (PcIgc- 16)
- Air covditiorli,lg (7! 1976 - J . . . .
- ‘l’orytrc~ coilr’f’rter + air contlitiotfirfg ( 12/ 1976 - )
- I?Iect~~r~ic j&l
if~iectiov . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Characteristics of the electrical units
Checking the electrical units
Checking and adjusting the headlamps
Checking and adjusting the windscreen wiper
Pngc 17)
Pogc 15 )
Pup 19)
Characteristics and special features of the air-conditioning system
- Refrigeration
Checking and adjusting the air-conditioning system
- Refrigeration
Characteristics of the (( FROID - 20 )) heating system
Checking and repairing a rear window heating element
(Set, r/JP cc I~OI~~‘WOKK 1) rilnptc~rj
BODYWORK
*0 13
Securing the body-shell to the assembled under-frame
Adjusting the body panels
Adjusting the front and rear doors
Adjusting the boot lid
Adjusting the bonnet
- Adjusting the bonnet
- Unlocking the bonnet ( if the bonnet control is uncoupled )
Checking and repairing a rear window heating element TOOLING
Special (( T )) Tools *O 14
Manufacturing diagrams for special tools not sold (cc MR )) tools )
O1)
11
Ol) 12
Ok 13
O1) 14

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 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.

Downloaded from www.Manualslib.com manuals search engine 20 OPERATION No MA. 510-00 b : Ivstallatiov oj the c,lcctriral iv~stallatiov
( [KM 9 / I 07 5 )
TABLE OF BULBS
juantity Type French standard
Ref. No. Power
60/ 55 W Voltage
12 v Base
P. 43 t 38 Use
lipped and main beam
Front foqlamps
Direction indicators
Rear foqlamps
Reversinq lamps
Rear sidelamps
and stoplamps
Front sidelamps
Number plate lamps
Under bonnet ‘lighting
Interior lamps -centre
-rear
Boot lamp
Map-reading lamp
&iqhtinq f . speed0 & tachl
~~$;~q for anti-theft
diqhtinq for glove-box
-iqhtinq for coolant
.emp. gauge
[nstrument panel
warning lamps
Lighting for cigar -
lighter
Lighting for ashtray
Lighting for oil gauge
Lighting for instrumen
panel
Lighting for
odometers Yellow
for France )
H4 2
x 51 H2 12 V 55 w
--
21 w R. 136-17
4
2
2 Pear-shaped
P 25/ 1 R. 136-12
BA. 12 v
12 v 21,‘5 W R. 136-12
2 BA. 15 d P 25/2
R. 136-13
BA. 15s/ 5w
7w
5w
5w 12 v
12 v
12 v
14 v 3
2 R. 136-05
Festoon
Festoon
BA.9s
T 874 R. 136-14 1
1
2
1
T 8/2 12 v 2w R. 136-34
BA. 9,s
16
Wedge base dia 5 12 v 1.2 w
Wedge base dia. 10 2w 12 v
24 V 3w
1 --
KEY TO CIRCUIT DIAGRAM SYMBOLS +
Wiring qonnector
0 Capacitor.
4 6V Connection block (S-way )
Motor, electric
Fuse Lighting
b b
Switch, manual Warning I amp
A P
P u
Switch, mechanical Instrument .dial
P A
)# Switch, pressure Resistor
b P
IQ Switch, thermal Rheostat
?
Coil winding

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 510-00 b : A,.,.N//~w~/w/ of I/J<, c~l~~clriccrl iti7tollnliou (0 1075 -i Op. MA. 510-00 b 21 DESCRIPTION OF COMPONENTS
dent.
lark Description and Location Ident.
mark Description and Location
1
Front R.H. sidelamp ............................ 112 42
Engine oil temperature switch 71 ...............
Front R.H. direction indicator .... ... .........
66 43 Water temperature sensor .... .............. 92
2 Front R.H. foglamp 107 44 Reversing lamp switch ................... 95
..................... ....... ....
3 R.H. headlamp main beam
;:: :: Horn compressor relay ..................... 53-54
............... ....
dipped beam Window- winder relay .................. 44-45
......................
47
Heating and air-cond. relay ...............
4 R.H. electric fan ............................... 35 42-43
48
.............. 34-35
5 LH electric fan ( air--conditioning ) Relay for R.H. electric fan
........ 37 49
Relay for L.H. electric fan (air-cond. ) ..... 36-37
6 Thermal switch for electric fan .............. 34 50
R.H. brake unit
........... 80-81
......... ............
7 Horn
....................................
.......... ..... 55 51
Widscreen washer pump .............. .... 56
8 L.H. headlamp main beam ........... ..........
gg 52 Electra-valve for fast idle (air-cond. ) ......... 41
dipped beam ......................
100 53
Windscreen wiper motor ............. 57 to 60
9 Front L.H. foglamp ... . ...............................
106 54
Air blower ..............
........... ..... ........... 42 10
Front L.H. sidelamp ......................... ... ... .. 111 55 Regulating thermal switch (Air-cond. ) .... 40
Front L.H. direction indicator
63 56 ................... Hydraulic press. switch .......................
75 11
Air-flow sensor 13 to 18 57
........................... ... Injector resistor housing .................... .20 to 23 12
Coil. and ignition module
28 to 30 58 Fuse box ............................ 42-45-58-90-105-l 11
................. 13
Butterfly spindle switch 10 to 12 S9 Hydraulic fluid level switch ...................... 76
.................... 14
Starter 3 t0 5 6o L.H. brake unit ........................ 78-79
..........................................
88 15
Cold start injector 11 61 Front R.H. door lighting switch ....... ....
.................................. 16
Alternator 5 62 Glove-box lighting ................................ 90
...........
....... ..................... ....... 17
Compressor clutch ( air-conditioning ) 40 63 Map-reading lamp and fuse ............... ..... ... 110
.........
64 18
Pressure switch 40 Cigar-lighter and lighting ...................... 94-l 12
........................................
65 Ashtray lighting 113 ..................................... 19
Double relay for injection control 7 to 27 ............ 66
Radio(equip. locat. t aerial ) .......... 83 to 85
20 L.H. electric fan relay (air-conditioning) 38 = 39 67
Handbrake flasher unit housing .............. 97-98 21
Rear foglamp cut-out relay (main beam) 104 to 105 68
Electronic control unit (injection ) ....... 8 to 25
22 Front foglamp relay ....................... .. 106 - 107 69
Lighting for pneumatic oil- gauge .............. 72
23
Supply relay for rear foglamps ............ 106 to 108 70
Anti-theft switch ............................ 4-28-58-93 24
u Diagnostic )) socket 52 ......... ....... ... ..... ........ 33 71 Stoplamp switch ...................................... 25
Connector for HT sensor 72 ................... 87
....................... 32 Front L.H. door lighting switch 26
Water temp. sensor ( Injection ) Rear view mirror ............................ 92 to 95
... 25 73
27
Ignition sensor on No. 4 cylinder 32 74 Rear view mirror switch ................... 92 to 95
............. 28
Injector for No. 4 cylinder ...................... 23 75 Front L.H. window winder motor .......... 45-46 29
Injector for No. 3 cylinder 22 76 Front R.H. window-winder motor .............. 49-50
...........................
......................... 85 30
Injector for No. 2 cylinder 21 77 Speaker ( in front R.H. door )
......................... 78 Centre interior lamp ............................... 87 to 89 31 Injector for No. 1 cylinder 20 ............................. 79 R H. window-winder switch .................... 49 to 51 32 Thermal switch
........... .......................... 10-11 8 o
Interior lamp switch .................... ................ 88
33 Supplementary air control ............................
8 81
Air-blower switch and lighting .......... 42-112-113 34 T.&c.
SenSOr ........................................... 31 82 Air-conditioning switch ............... ............ 40
35
Magnetically triggered distributor ........ 29 to 32 83
L.H. window-winder switch .....................
45-47 36
Compressor for air horns ............. ..... ......... 53 85 Handbrake contact ......................................... 98 37
Voltage regulator 5-6 86 Water temp. gauge + lighting ..................
92-110
....................................... 38
Battery 1 87 Windscreen wiper timer
.......................... 59 to 61
....................................................... 39
40
41
Under-bonnet lamp ........................................ 81 88 R.H. switch unit for lighting
Engine oil pressure switch 73 - Speedo. t tacho. lighting rheostat ............ 79
............................
99-103
Coolant temperature switch 77
- General lighting ................................
....... ....................
- Rear foglamps ..................................... 105

Downloaded from www.Manualslib.com manuals search engine III. AIR CIRCUIT
Heater
radiator
El
E2
Air
blower
I-
FROID - 20
__------- ----- _; Al
E2 : Air intake for recycling in passenger compartment, on RH side of scuttle panel.
Outlets for regulated air in the passenger compartment :
Sl
: Dashboard air vents ( LH and RH )
52 : Air vents on centre console
Air intakes for blower ;
El : Exterior intake on bonnet
53 : Lower front heater unit outlets ( LH and RH )
54 : Rear outlet on centre console
55 : De-misting and de-frosting of windscreen
56 : Centre outlet on dashboard
Distribution of regulated air :
Vl
: Distribution flap between outer and inner air-intakes ( controlled by C 1
V2 : Flap for cutting off outlets S3 -S 4 - S5 - S6 ( controlled by C 2 )
V3 : Distribution flap between outlets S3 - S4 and S5 - S6 ( controlled by C 2
V4 : Distribution flap between outlets S5 and S6 (controlled by a lever on the left of the centre outlet on the
dashboard ).
V5 : Cut-off flap for outlet S6 ( controlled by ‘a lever on the centre outlet on the dashboard )
V6 : On vehicles fitted with the u FROID - 20 )I heater unit
Distribution flaps for outlets Al and A2 at outlets Sl ( controlled by a lever under the side vents ),