Opel Corsa / Vauxhall. Manual - part 12
12•8 Body electrical system
11.19 Removing a rear foglamp lens
11.22 Prising out the number plate lamp
11.23 Number plate lamp bulb holder and
lens separated
11.25a Under-bonnet lamp unclipped note
11.25b Luggage area lamp unclipped
11.25c Removing the cover from the main
earth screw (arrowed)
interior lamp
Rear foglamp
carefully prise the lamp unit from its location
29 The pilot illumination in switches such as
(see illustrations).
that controlling the foglamps is integral with
19 Remove the lens from the foglamp by
26 Extract the old bulb. fit the new one and
the switch and cannot be renewed separately.
undoing its two retaining screws
(see
refit the lamp or cover.
illustration).
Check control display lamps
20 Extract the bayonet fitting bulb and fit the
Instrument illumination and
30 Carefully prise the check control unit from
new one.
warning lamps
its location. The bulb holders are accessible
21 Refit and secure the lens.
27 Instrument panel illumination and warning
from below.
lamp bulbs can be removed by turning the
31 Refit in the reverse order to removal.
Number plate lamp
combined bulbholder assembly anti-
22 Prise the lamp unit out of the rear bumper
clockwise and withdrawing it from the rear of
12 Headlamp/direction indicator
and disconnect its wiring plug
(see
the panel (see illustration). There is no need
to withdraw the panel completely to do this -
lens assembly - removal and
illustration).
just withdraw it far enough to gain access to
refitting
23 Unclip the two halves of the lamp unit to
the printed circuit.
gain access to the bulb (see illustration).
24 Refit in the reverse order to removal.
Switch illumination bulbs
Removal
28 Switches such as the lighting master
Interior lamps
1 Remove the direction indicator, headlamp
switch and the heated rear window/heater
and sidelamp bulbs (Section 11).
25 Bulb renewal is similar for all types of
blower control are illuminated by bulbs which
2 Undo the securing screw and withdraw the
interior lamp, and for the under-bonnet lamp
can be renewed after removal of the switch
direction indicator lens (see illustrations).
(when fitted). Either unclip the lamp cover, or
(see illustration).
11.27 Removing an instrument panel bulb
11.28 Removing a switch illumination bulb
12.2a Undoing a direction indicator lens
screw
Body electrical system 12•9
12.2b Removing a direction indicator lens
12.3a Headlamp lens outboard securing
12.3b Headlamp lens inboard securing
screw (arrowed)
screw (A). Do not disturb alignment
adjusting screw (B)
14 Headlamp dim-dip system (UK
are available, and an external temperature
sensor is also provided.
models only) - general
2 For detailed operating instructions, refer to
information
the owner’s handbook supplied with the
vehicle.
Fitted to UK models produced after
3 Testing of the computer and its satellite
October 1986, to prevent the possibility of
components is beyond the scope of the
vehicles being driven on parking lights only
average DIY mechanic, but there is no reason
and to comply with new lighting legislation, all
why defective components should not be
UK models produced from the above date are
renewed, as described in the next Section.
fitted with a dim-dip system in the headlamp
circuit. The function of the system is to ensure
Component renewal
that the car cannot be driven on parking lights
Temperature sensor
only.
12.3c Removing a headlamp lens
The system is activated by a dim-dip
4 Separate the temperature sensor lead at
control unit which, when activated, reduces
the multi-plug near the left-hand headlamp.
3 Remove the two screws which secure the
the voltage supply to the headlamps. This
5 Pull the temperature sensor from the front
headlamp unit, free it from its clips and
system is designed as a safeguard only and
bumper, unclip its lead and remove it.
withdraw it (see illustrations). Do not disturb
normal lighting legislation requirements still
6 Refit in the reverse order to removal.
the alignment adjusting screws.
apply and must be observed.
Distance sender
Refitting
7 The distance sender is located on the
15 Trip computer - general
speedometer cable take-off point on the
4 Refit in the reverse order to removal. Make
information and component
transmission; except with LCD instruments
sure that the front panel sealing lip aligns with
the headlamp; use sealing tape if necessary. If
renewal
the speedometer cable screws into the
sender.
a new unit has been fitted, or if the headlamp
8 Separate the sender multi-plug, then unclip
alignment has been otherwise disturbed, have
General information
the sender unit from the transmission
the alignment checked and adjusted (see
Section 13).
1 A trip computer is fitted to some top line
9 Unscrew the speedometer cable (when
models, The computer collects fuel
fitted) from the sender and remove the
consumption and distance data and
sender.
13 Headlamp beam adjustment -
integrates them with respect to time. In this
10 Refit in the reverse order to removal.
general information
way it can provide estimates of fuel
Fuel flow meter
consumption
(both instantaneous and
11 The fuel flow meter is located on the
1 Accurate adjustment of the headlight beam
average), speed and range on fuel remaining.
wheel housing.
is only possible using optical beam setting
Normal time clock and stopwatch functions
12 Disconnect the battery earth lead.
equipment and this work should therefore be
13 Disconnect the fuel flow meter multi-plug.
carried out by a Vauxhall/Opel dealer or
14 Identify the fuel hoses, then disconnect
suitably equipped workshop.
and plug them. Be prepared for fuel spillage.
2 For reference the headlights can be
15 Unbolt and remove the fuel flow meter.
adjusted using the adjuster assemblies fitted
16 Refit in the reverse order to removal.
to the top and bottom of each light unit. In an
emergency, adjustments can be made on a
Computer unit
‘trial and error’ basis. The vertical adjustment
17 Disconnect the battery earth lead.
screws are accessible from under the bonnet
18 Remove the radio (Section 25).
(see illustration). The lateral adjustment
19 Carefully press the computer out of its
screws are positioned as shown in illustration
location. Unplug its electrical connector and
12.3b. Note: Adjustment of the front foglights
remove it.
is correct when the inclination of the beam is
20 Refit in the reverse order to removal. A
12
20 cm over a distance of 10 m. Adjustment is
new computer will have to be calibrated on
made by turning the adjuster screw, on the
the vehicle; this should be done by a GM
13.2 Headlamp beam vertical adjustment
rear of each lamp as required.
dealer.
screw (arrowed)
12•10 Body electrical system
16.1 Central locking system components
(LHD shown, RHD similar)
1 Central wiring connector
2 Electronic control unit
3 Servo motor
4 Servo motor
5 Earth point
6 Driver’s door switch
Computer display lighting
Component renewal
4 Remove the two securing screws,
disconnect the switch plug and unhook the
21 Remove the computer, as just described.
Driver’s door switch
switch from the lock actuating rod. Remove
22 Grip the bulb holder carefully with pliers
3 Remove the door inner trim panel, as
the switch.
and twist it to remove it. The capless bulb can
described in Chapter
11. Peel away the
5 Refit in the reverse order to removal: make
then be extracted and renewed.
waterproof sheet in the area of the switch.
sure that the electrical plug is connected the
23 Refit in the reverse order to removal.
right way round. Renew the rubber mountings
if necessary.
16 Central locking system -
Passenger door and tailgate servo
general information and
motors
component renewal
6 Proceed as just described for the driver’s
door switch. Removal of the tailgate trim
panel is achieved by carefully releasing its
General information
retaining clips.
1 On models so equipped, electric servo
Boot lid servo motor (Saloon models)
motors cause all the passenger door locks
and the tailgate lock to follow the position of
7 Open the boot lid and remove the plastic
the driver’s door lock. The major components
cover (see illustration).
of the system are as shown (see illustration).
8 Remove the two nuts which secure the
2 An electronic control unit, located in the
latch mechanism and the two screws which
passenger footwell, generates the electrical
16.7 On Saloon models, unclip the cover
secure the servo motor (see illustration).
pulses needed to operate the lock motors.
from the boot lid lock . . .
Separate the servo motor from the latch,
Body electrical system 12•11
16.8 . . . to gain access to the boot latch
18.3 Removing the tailgate contact pins
19.1 Removing a wiper blade from its arm
nuts (1), servo unit mounting screw (2) and
the manual release control rod (3)
1 +ve permanent feed (wiper parking) -
retainer and slide the blade off the arm (see
black/violet
2 Heater rear window - black
illustration).
disconnect its wiring plug and remove it.
2 Before removing a wiper arm, make sure
3 Wiper (switch) - blue
9 Refitting is the reverse of removal.
that the motor is in its parked position. Mark
the position of the blade on the screen with
Control unit
18 Tailgate contact pins and
sticky tape or wax crayon as a guide to
10 Remove the trim panel from the
refitting.
plate - removal and refitting
passenger side footwell.
3 Lift up the cover and unscrew the arm
11 On fuel injection models, release and
retaining nut (see illustration).
move aside the fuel injection control unit and
Removal
4 Pull the arm off the splined shaft. If it has
its bracket.
not been moved for a long time it will be tight:
1 A three-pole contact unit transfers electrical
12 Remove the single screw which secures
apply some penetrating fluid.
power for the tailgate units (heated window,
the control unit bracket to the A-Pillar.
wiper motor) when the tailgate is shut. The
Refitting
13 Extract the control unit and bracket.
unit consists of a contact plate in the load
Disconnect the electrical plug and unscrew
5 Refit in the reverse order to removal.
area sill and spring-loaded pins in the tailgate.
the unit from the bracket to remove it
2 To remove the plate or the pins, first
completely.
disconnect the battery earth lead.
20 Windscreen wiper motor and
14 Refit in the reverse order to removal.
3 Remove the tailgate trim or rear sill trim, as
linkage - removal and refitting
appropriate. Unclip the contact plate or pins
from its location and disconnect the wire (see
17 Heated seats - general
illustration).
Removal
information
1 Remove the windscreen wiper arms, as
Refitting
described in the previous Section.
1 In some territories, electric heating
4 Refit in the reverse order to removal. The
2 Disconnect the battery earth lead.
elements for the front seats can be specified
component mountings are inhibited to prevent
3 Remove the four screws and take off both
as an option. The heating elements are
incorrect fitting.
halves of the wind deflector panel See
controlled by facia-mounted switches, they
Chapter 11, Section 11.
also incorporate a thermostatic control.
19 Wiper blades and arms -
4 Remove the clamp nuts from both wiper
2 Do not use the heating elements when the
spindles (see illustration).
removal and refitting
engine is not running, or the battery will
5 Free the bulkhead rubber seal, remove the
quickly be discharged.
single securing screw and take off the water
3 In the event of malfunction, first check the
Removal
deflector.
wiring and connectors.
6 Release the retainer and disconnect the
1 To remove a wiper blade, lift the wiper arm
4 Element renewal should be referred to a
electrical multi-plug from the motor
(see
away from the glass. Swivel the blade on the
GM dealer or upholstery specialist.
illustration).
arm, depress the catch on the U-shaped
12
19.3 Wiper arm retaining nut
20.4 Wiper spindle clamp nut (arrowed)
20.6 Releasing the wiper motor electrical
plug
12•12 Body electrical system
20.7 Wiper motor securing screw (arrowed)
20.8b Undoing the wiper motor securing
20.8a Wiper motor spindle nut (arrowed)
the motor from its bracket, also remove the
9 Undo the retaining nut, withdraw the motor
three securing screws (see illustrations).
from its location a little way and support it
(see illustration).
Refitting
10 Remove the tailgate inner trim panel by
9 Refit in the reverse order to removal. Note
prising free the plastic retainers.
that two sets of motor mounting holes are
11 Remove the tailgate contact pins as
provided, to provide for different sweep and
described in Section 18.
parking requirements for RHD and LHD cars
12 Detach the motor wiring from the retainer
(see illustration).
inside the tailgate. Remove the motor with its
wiring and bracket.
13 To inspect the motor and control circuitry,
21 Rear window wiper motor -
remove the two screws which secure the
removal and refitting
bracket to the cover and the four screws
which secure the cover to the motor. Remove
20.9 Choice of wiper motor mounting holes
Removal
the cover (see illustrations).
- RHD arrowed
Tailgate-mounted motor
Refitting
7 Undo the single securing screw and remove
the motor and linkage (see illustration).
1 Disconnect the battery earth lead.
14 Refit in the reverse order to removal, but
8 The motor may be separated from the
2 Remove the wiper arm, as described in
check for correct operation before refitting the
linkage by undoing the spindle nut. To remove
Section 19.
trim panel.
3 Remove the clamp nut from the wiper
spindle.
4 Remove the tailgate inner trim panel.
5 Remove the contact pin nut (Section 18)
and disconnect the wiper motor wire from it.
(On Estate models, simply disconnect the
motor from the tailgate harness.)
6 Remove the two securing screws and
carefully withdraw the motor and its wiring
(see illustration).
Window-mounted motor
7 Disconnect the battery earth lead.
8 Remove the rear wiper arm and withdraw
the rubber cover from the spindle
(see
21.9 Removing the window-mounted
21.6 Rear wiper motor securing screws
illustration).
motor
(arrowed) - tailgate-mounted motor
21.13a Undo the retaining screws and
21.13b . . . then undo the retaining
21.13c . . . and remove the motor cover to
remove the mounting bracket . . .
screws . . .
gain access to the motor wiring
Body electrical system 12•13
22 Windscreen/rear window
washer system - general
information
1 All
models are fitted with an
electrically-operated windscreen washer. The
reservoir is mounted on the left-hand side of
the engine bay; the pump is a push fit into a
grommet in the base of the reservoir.
2 When a rear window washer is fitted, this
uses a second pump which shares the same
reservoir. A small bore tube carries the water
25.2a Inserting the special clips for radio
25.2b Removing the radio from its aperture
through the car to the tailgate.
removal
3 To renew a pump, first drain the reservoir (if
necessary). Disconnect the electrical plug
any warning light stays on, or comes on
from the pump and rock the pump out of its
during operation, the components or system
25 Radio/cassette unit - removal
grommet. Cut the tube off as close as
indicated should be checked.
and refitting
possible to the pump outlet stub.
3 The main bulb failure indicator light
4 Use a new grommet when fitting a new
monitors dipped headlights and tail lights; the
pump. A short length of rubber hose should
stop-lamp indicator light monitors the
Removal
be used to connect the tube to the pump, as
stop-lamps and stop-lamp switch.
1 All models are fitted with at least a radio,
the tube is too stiff to pass over the outlet
4 The bulb failure monitor unit is located
and most leave the factory with a combined
stub easily.
under the facia panel on the passenger side. It
radio/cassette player. This Section outlines
5 Washer jet aim can be adjusted by inserting
is secured by two screws which are
removal and refitting procedures for the
a pin and carefully moving the jet.
accessible after removing the trim and
standard fitment equipment.
opening the glovebox.
Early models
5 The oil level warning light receives
23 Headlamp washer system -
information from a sender on the engine.
2 Radio/cassette units are to the latest DIN
general information
Obviously a correct reading will only be
standard; they are released by inserting two
obtained if the car is parked on level ground.
special clips into the holes on each side of the
1 When fitted, the headlamp washer system
On early models the sender is incorporated in
unit. The clips are pressed in until they snap
has its own reservoir and high pressure pump.
into place, then used to pull the radio out of its
a dipstick and on later models it is bolted onto
The reservoir is located in the engine bay,
the side of the sump.
aperture. The various plugs can then be
except on models with fuel injection and/or a
removed from the rear of the radio
(see
6 The brake fluid level warning light is
trip computer, when it is located under the
controlled by a float switch in the master
illustrations).
left-hand wheel arch.
3 The special clips used to release the radio
cylinder reservoir.
2 A relay controls the headlamp washer
7 Brake pad wear is detected by wear
should have been supplied with the car; if not,
pump so that it operates when the windscreen
they can be obtained from a car entertainment
sensors incorporated into the pads. This
washer is in use and the headlamps are on.
warning light will illuminate during braking if
specialist.
3 The washer jets are located in the bumper
4 With the radio removed, its surround can be
attention is required.
overriders. They can only be renewed as an
8 Screen washer fluid level is monitored by a
removed if necessary by unclipping it (see
assembly; the front trim panel must be
float switch in the reservoir. On later models
illustration).
removed first (Chapter 11).
the coolant level in the expansion tank is also
5 To refit the radio, reconnect its plugs and
4 Pump renewal is similar to that of the
monitored by a similar float switch.
push it home until the retaining springs click
windscreen and rear window washer pumps
9 Renewal of the check control warning light
into place.
(Section
22). To remove the wheel arch
bulbs is covered in Section 4.
Later (1989 onwards) models
protective panelling, press the centres out of
10 Note that fitting bulbs of incorrect wattage
6 For the 1989 model year, various anti-theft
the plastic rivets; use new rivets or clips on
may cause the bulb failure unit to give false
measures were introduced on the
reassembly. The reservoir can be removed
alarms. For the same reason, the advice of a
factory-fitted radio/cassette players. These
from under the wing after unscrewing its filler
GM dealer should be sought if it is proposed
are as follows:
neck and removing the securing screw.
to wire in a trailer socket.
a) Blanking screws in removal holes.
b) Serial number embossed in housing.
24 Check control system - general
c) Electronic coding of most units.
information
7 The blanking screws must be removed with
an Allen key before the unit can be removed
1 Fitted to some higher specifications
(see illustration). Removal is then carried out
models, the check control system monitors
by inserting two special clips as described in
important fluid levels, brake pad wear and
paragraph 2.
bulb failure. A bank of six or seven warning
8 The wiring connections on later units are
lights to the left of the instrument panel
made automatically by special connectors
conveys the information to the driver.
which engage as the unit is pushed home.
2 All the warning lights should come on for a
Adapters are available to enable later units to
12
few seconds when the ignition is first
be fitted to earlier models, and vice versa.
switched on; they should then all go out,
9 Units with electronic coding will not
except for the stop-lamp warning light, which
25.4 Removing the radio surround
function after an interruption of the power
supply until a
3-figure security code,
will go out once the brake pedal is operated. If
12•14 Body electrical system
25.7 On later models it will be necessary to
26.2a On Saloon models, unclip the plastic
26.2b . . . the speakers are retained by four
remove the blanking screws to be able to
covers to gain access to the underside of
screws
insert the removal tools
the rear speakers . . .
determined by the original owner of the unit, is
2 On Saloon models the rear loudspeakers
remove the wheel arch protective panelling by
keyed in. Only
8 attempts at coding are
are mounted in the rear parcel shelf. Access
pressing out the centres of the plastic rivets.
allowed, after this the unit will be mute and
to them is gained from the boot area. Unclip
The aerial can then be released from its
will have to be returned to the manufacturer
the plastic cover from the base of the speaker
bracket and the top mounting nut be undone.
for decoding. More details of this procedure
and disconnect the electrical leads then return
2 If the aerial cable (and motor cables, when
are contained in the operating instructions
to the inside of the car, undo the retaining
applicable) cannot be disconnected at the
supplied with the unit.
screws and lift out the speaker
(see
aerial end, they will have to be disconnected
illustrations).
at the radio and fed back through the inner
wing. Removal of some facia trim may be
26 Loudspeakers - removal and
Refitting
necessary to gain adequate access.
refitting
3 Refitting is the reverse of removal.
Refitting
3 When refitting the aerial, make sure that a
Removal
27 Radio aerial - removal and
good earth connection is made at the
1 Loudspeakers are positioned one at each
refitting
mounting bracket.
end of the facia panel, and (on some models)
one at each end of the parcel shelf or in the
Removal
tailgate.
Removal and refitting are
self-explanatory once the appropriate trim has
1 The radio aerial is mounted on the
been removed (see Chapter 11).
right-hand front wing. To remove it, first
Wiring diagrams 12•15
Key to Diagram 1 - all models to 1986 (Not all items are fitted to all models)
No
Description
Track
No
Description
Track
E1
RH sidelamp
235
K15
Fuel injection control module
173 to 1 83
E2
RH tail lamp
237, 440
K20
Ignition module (electronic ignition) 118, 119
E3
Number plate lamp
238, 451
K25
Preheater relay (Diesel)
195 to 198
E4
LH sidelamp
231
K28
Day running light relay (not UK)
421, 422
E5
LH tail lamp
232, 438
K30
Rear window wiper relay
319 to 321
E6
Engine bay lamp
240
K31
Fuel pump relay (fuel injection)
169 to 171
E7
RH main beam
246
K35
Mirror heating timer
397, 399
E8
LH main beam
245
K36
Computer relay
360 to 362
E9
RH dipped beam
249, 444
K37
Central locking relay
402 to 408
E10
LH dipped beam
248, 442
K39
Dashpot relay (not UK)
160, 162
E11
Instrument illumination
242
K45
Preheater relay (not UK)
164 to 166
E12
Auto transmission selector lamp
346
K46
Ignition timing control (not UK)
145 to 150
E13
Luggage area lamp
285
K52
Ignition module (not UK)
142, 143
E14
Interior lamp
291
K53
Ignition timing control (not UK)
134 to 139
E15
Glovebox lamp
339
L1
Ignition coil (contact breaker system) 109
E16
Cigarette lighter lamp
338
L2
Ignition coil (electronic system)
117,126,143
E17
RH reversing lamp
336
L3
Ignition coil (not UK)
136
E18
LH reversing lamp
335
M1
Starter motor
105 to 107
E19
Heated rear window
202
M2
Windscreen wiper motor
303 to 306
E20
LH front foglamp
257
M5
Heater blower motor
205 to 207
E21
RH front foglamp
258
M4
Radiator cooling fan
210
E24
Rear foglamp
253
M3
Windscreen washer pump
302
E25
LH seat heater
368
M8
Rear window wiper motor (not GTE) 317 to 319
E30
RH seat heater
372
M9
Rear window washer pump
322, 330
E32
Clock illumination
297
M12
Starter motor (Diesel)
193, 194
E33
Ashtray lamp
347
M14
LH front window motor
411
E34
Heater control lamp
242
M15
RH front window motor
417
E38
Computer illumination
355
M16
LH rear window motor
413
E39
Rear foglamp
254
M17
RH rear window motor
415
E40
Number plate lamp (Estate)
239,452
M18
Front passenger door lock actuator 404, 407
E41
Interior lamp with delay unit
287, 289
M19
LH rear door lock actuator
404, 407
E42
Radio illumination
431, 433
M20
RH rear door lock actuator
404, 407
F1 to F2Fuses
Various
M21
Fuel pump (fuel injection)
169
F22
Fuse (mixture preheating)
164
M24
Headlamp washer pump
314
F25
Instrument voltage stabiliser
213
M26
Radio aerial motor
433, 434
G1
Battery
101
M30
LH electric mirror
368 to 381, 387 to 390
G2
Alternator
113
M31
RH electric mirror
394 to 397
H1
Radio
429, 431
M36
Rear window wiper motor (GTE only) 327 to 330
H2
Horn
211
M37
Tailgate lock actuator
404, 407
H3
Direction indicator repeater
279
P1
Fuel gauge
214
H4
Oil pressure warning lamp
221
P2
Temperature gauge
206
H5
Brake fluid level warning lamp
219
P3
Clock
296
H6
Hazard warning repeater
276
P4
Fuel gauge sender
214, 471
H7
No charge warning lamp
113
P5
Temperature gauge sender
216, 481
H8
Main beam pilot lamp
247
P7
Tachometer
225
H9
RH stop-lamp
269, 448
P10
Oil pressure sensor
488
H10
LH stop-lamp
268, 446
P11
Airflow meter (fuel injection)
188 to 190
H11
RH front direction indicator
281
P12
Temperature sensor (fuel injection)
188 to 190
H12
RH rear direction indicator
282
P13
Temperature sensor (ambient air)
360
H13
LH front direction indicator
277
P14
Distance recorder
133, 134, 156, 157, 351,
H14
LH rear direction indicator
278
352, 492, 493
H16
Glow plug light (Diesel)
195
P15
Fuel flow meter
353, 354
H17
Trailer direction indicator repeater
273
P23
Vacuum sensor (not UK)
135 to 137
H19
Buzzer (headlamps on)
293
P24
Temperature sensor (not UK)
138, 139
H20
Choke warning lamp
340
P25
Bulb failure sensor
438 to 448
H21
Handbrake warning lamp
218
P26
Engine oil level sensor
457, 458
H23
Radio receiver (with automatic aerial) 432, 433
P27
LH brake pad wear sensor
460
H25
Mirror heating pilot light
383, 392
P28
RH brake pad wear sensor
461
K1
Heated rear window relay
201, 202
R1
Ballast resistor (points ignition)
109
K2
Flasher unit
274
R2
Carburettor heater
341
12
K5
Front foglamp relay
258, 259
R3
Cigarette lighter
337
K8
Wiper delay relay
305 to 308
R5
Glow plugs (Diesel)
188 to 190
K9
Headlamp washer relay
312 to 314
R7
Mixture preheating
164
K10
Trailer flasher unit
273, 274
R11
Instrument illumination rheostat
475
12•16 Wiring diagrams
Key to Diagram 1 - all models to 1986 (Not all items are fitted to all models) (continued)
No
Description
Track
No
Description
Track
R12
Automatic choke heater
343
U5.1
Bulb failure warning lamp
454
S1
Ignition/starter switch
106, 107
U5.2
Stop-lamp failure warning lamp
456
S2.1
Main lighting switch
239, 240, 439, 440
U5.3
Oil level warning lamp
457
S2.2
Interior light switch
289
U5.4
Brake fluid level warning lamp
458
S3
Heater blower/
U5.5
Brake pad wear warning lamp
460
heated rear window switch
203 to 207
U5.6
Washer fluid level warning lamp
461
S5.2
Dipswitch
247,248,444
U6
LCD instrument panel
469 to 492
S5.3
Direction indicator switch
280,281
U6.1
No charge warning symbol
469
S5.5
Horn switch
211
U6.2
Voltmeter
470 to 472
S6
Distributor (contact breaker type)
109, 111
U6.3
Fuel gauge
471
S7
Reversing lamp switch
335
U6.4
Oil pressure warning symbol
486
S8
Stop-lamp switch
268,446
U6.5
Oil pressure gauge
488
S9.2
Windscreen wiper switch
302 to 306
U6.6
Temperature gauge
481
S9.3
Rear window wiper switch (not GTE) 320,321
U6.7
Running lights pilot lamp
478
S9.4
Rear window wiper switch (GTE)
329,330
U6.8
Speedometer
491, 492
S10
Starter inhibitor switch (automatic)
107
U6.9
Main beam pilot lamp
482
S11
Brake fluid level switch
219
U6.10
Direction indicator repeater (LH)
486
S13
Handbrake switch
218,484
U6.11
Direction indicator repeater (RH)
488
S14
Oil pressure switch
221,486
U6.13
Handbrake warning lamp
484
S15
Luggage area light switch
285
U6.14
Tachometer
484
S16
RH door switch
290
U6.15
Trailer direction indicator repeater
480
S17
LH door switch
291
U6.21
Relay (display lighting)
474 to 476
S18
Glovebox lamp switch
339
U6.22
Display lighting
475, 476
S21
Front foglamp switch
260,262
U6.23
Speedometer illumination
491
S22
Rear foglamp switch
253,255
U6.24
Miles/km changeover switch
493
S29
Radiator fan thermoswitch
210
U6.25
Calibration switch
478
S30
LH seat heating switch
368,370
V4
Blocking diode (rear foglamps)
253
S37
Window switches
410 to 418
V5
Blocking diode (rear foglamps)
257
S41
Central locking switch
402,403
V6
Blocking diode (park lights, not UK) 240
S44
Throttle valve switch (fuel injection) 188 to 190
X1
Trailer socket
Various
S47
Door switch (with headlamp buzzer) 292,293
X2
Auxiliary connectors
Various
S50
Choke warning switch
340
X5
Engine wiring harness connector Various
S52
Hazard warning switch
274 to 278
X6
Rear wiring harness connector
Various
S55
RH seat heating switch
372 to 374
X7
Front wiring harness connector
Various
S60
Clutch pedal switch (not UK)
159
X8
LCD instrument connector (26-way) 469 to 492
S66
Vacuum switch (not UK)
148
S68.1
Mirror adjustment switch
377 to 380, 385 to 389
X9
LCD instrument connector (16-way) 476 to 490
X10
Ignition timing connector (not UK)
138 to 140
S68.2
Mirror heating switch
383,392
S68.3
Mirror changeover switch
386 to 390
Y5
Solenoid valve (Diesel)
199
S73
Mixture preheating switch
165
Y6
Auxiliary air valve (fuel injectors)
188 to 190
S74
Engine temperature switch (not UK) 151
Y7
Fuel injectors
188 to 190
S75
Oil temperature switch (not UK)
151
Y10
Distributor (with Hall sensor)
122
S77
Distance switch (not UK)
153 to 156
Y11
Hall sensor
108, 109, 145 to 147
S81
Brake fluid level switch
459
Y14
Inductive sensor (not UK)
135 to 137
S82
Washer fluid level switch
462
Y15
Inductive sensor with ignition module 125, 126
U1
Day running light transformer (not UK) 422 to 426
Y17
Idle cut-off solenoid
342
U3
Computer board
352 to 361
Y18
Dashpot solenoid ( not U K)
159
U3.1
Clock priority switch
359
Y22
Distributor (not UK)
147
U3.2
Function select switch
359
Y23
Distributor (with inductive sensor)
129
U3.3
Reset/adjust switch
359
Y24
Distributor (not UK)
139
U5
Check control display
454 to 462
Colour codes
BL
Blue
BR
Brown
GE
Yellow
GN
Green
GR
Grey
HBL
Light blue
Ll
Lilac
RT
Red
SW
Black
Vl
Violet
WS
White
Wiring diagrams 12•21
Key to diagram 2 - all 1987 models
Not all items are fitted to all models; not all engines or systems are found in UK models
No
Description
Track
No
Description
Track
E1
Parking lamp left
328
H30
Engine systems warning lamp
151, 209
E2
Tail lamp left
329, 528
H33
Direction indicator repeater- left
376
E3
Number plate lamp
551
H34
Direction indicator repeater right
380
E4
Parking lamp right
332
K1
Relay heated rear window
301, 302
E5
Tail lamp right
334, 540
K2
Flasher unit
374
E6
Lamp engine compartment
337
K5
Foglamp relay
358, 359
E7
High beam left
341
K8
Relay windscreen wiper delay
405, 408
E8
High beam right
342
K9
Relay headlamp washer
412, 414
E9
Low beam left
344, 542
K10
Trailer flasher unit
373, 374
E10
Low beam right
345, 544
K15
Control unit (injection) (L3 Jetronic)
284, 291
E11
Lamps instrument
339
K30
Relay - rear wiper delay
419, 421
E12
Selector lever lamp (automatic
K35
Relay - heated mirror
497, 499
transmission)
446
K36
Relay - trip computer
460, 462
E13
Luggage area lamp
385
K37
Relay - central locking
502, 508
E14
Interior lamp
391
K45
Relay - manifold heater
186, 187, 263, 264
E15
Glovebox lamp
439
K53
Control unit EZ61 ignition
272 to281
E16
Cigarette lighter lamp
438
K57
Control unit TBI (not UK)
145, 164
E17
Reversing lamp left
435
K58
Relay - fuel pump, TBI
165, 166
E18
Reversing lamp right
436
K61
Control unit Motronic
204, 228
E19
Heated rear window
302
K62
Control unit dim-dip system
347, 351
E20
Front foglamp - left
357
K63
Relay twin horns
173, 174
E21
Front foglamp - right
358
K68
Relay fuel injection
229, 232, 295 to 299
E24
Rear foglamp left
353
K73
Ignition module EZ 61
269, 270
E25
Seat heating mat front left
468
K74
Control unit ignition system (MZV)
177, 185
E26
Light switch lamp
334
K75
Relay idle control (not UK)
131, 132
E30
Seat heating mat front right
472
L1
Ignition coil (points system)
109, 110
E32
Clock lamp
397
L3
Ignition coil (electronic system)
Various
E33
Ashtray lamp
447
L4
Ignition coil (EZ 61)
270, 271
E34
Heater control lamp
339
M1
Starter motor
105, 107
E38
Trip computer lamp
455
M2
Windscreen wiper motor
403, 406
E39
Rear foglamp - right
354
M3
Heater blower motor
305, 307
E40
Number plate lamp
336, 552
M4
Radiator fan motor
171
E41
Interior lamp (with delay)
386, 389
M5
Windscreen washer pump
402
E42
Radio lamp
531, 533
M8
Rear wiper motor (except GSi)
417, 419
F1 to 18Fuses in fusebox
Various
M9
Rear screen washer pump
422, 430
F19
Fuse window lift motors
511
M14
Window lift motor front left
511, 512
F20
Fuse central locking
503
M15
Window lift motor - front right
517, 518
F21
Fuse headlamp washer
414
M16
Window lift motor, rear left
513, 514
F22
Fuse manifold heater
186, 264
M17
Window lift motor, rear right
515, 516
F25
Voltage stabiliser
313
M19
Door lock actuator, rear left
504, 507
F27
Fuse twin horns
174
M20
Door lock actuator, rear right
504, 507
F31
Fuse electronic carburettor
238
M21
Fuel pump
166, 230, 295
G1
Battery
101
M24
Headlamp washer pump
414
G2
Alternator
113
M26
Electric aerial motor
533, 534
H1
Radio
529, 531
M30
Electric mirror left
478, 481, 487, 490
H2
Horn
172, 173
M31
Electric mirror right
494, 497
H3
Direction indicator repeater
378
M32
Door lock actuator passenger door
504, 507
H4
Oil pressure warning lamp
321
M33
Idle speed actuator (Motronic)
216, 217
H5
Brake fluid warning lamp
319
M36
Rear wiper motor (GSi only)
427, 429
H6
Hazard warning repeater
376
M37
Tailgate lock actuator
504, 507
H7
Charging system warning lamp
323
P1
Fuel gauge
314
H8
High beam warning lamp
343
P2
Temperature gauge
316
H9
Stop-lamp left
368, 546
P3
Clock
396
H10
Stop-lamp right
369, 548
P4
Fuel gauge sender
314, 571
H11
Direction indicator lamp front left
377
P5
Coolant temperature sensor (gauge)
316, 581
H12
Direction indicator lamp - rear left
378
P7
Tachometer
325
H13
Direction indicator lamp front(right
381
P10
Oil pressure sensor
588
H14
Direction indicator lamp - rear right 382
P11
Airflow meter
216,221
H18
Second horn
174
P12
Coolant temperature sensor
H19
‘Headlamps on’ warning buzzer
393, 394
(L3 Jetronic)
211, 289
12
H20
Choke warning lamp
133
P13
Air temperature sensor (trip)
460, 461
H21
Handbrake warning lamp
318
P14
Distance sensor (Motronic/
H23
Radio with electric aerial
532, 533
trip computer)
144, 202, 451
H25
Mirror heating warning lamp
483, 492
P15
Fuel flow meter (trip computer)
453, 454
12•22 Wiring diagrams
Key to diagram 2 - all 1987 models (continued)
No
Description
Track
No
Description
Track
P23
Manifold vacuum sensor
125, 127, 158, 160, 177, 179
U3.1
Clock switch
459
P24
Oil temperature sensor
128, 129, 182, 183, 276, 277
U3.2
Function select switch
459
P25
Bulb failure sensor
537, 550
U3.3
Reset/clock adjustment switch
459
P26
Oil level sensor
557, 558
U5
Check control display unit
554, 563
P27
Brake pad wear sensor front left
560
U5.1
Bulb failure warning (running lights)
554
P28
Brake pad wear sensor front right
561
U5.2
Bulb failure warning (stop-lamps)
556
P29
Manifold temperature sensor
245, 246
U5.3
Oil level warning
557
P30
Coolant temperature sensor (not UK) 156, 157, 248, 249
U5.4
Brake fluid level warning
558
P31
Throttle potentiometer (not UK)
248, 250
U5.5
Brake pad wear warning
560
P32
Oxygen (Lambda) sensor
226, 227
U5.6
Washer fluid level warning
561
P34
Throttle position sensor (not UK)
161, 163
U5.7
Coolant level warning
563
P35
Inductive sensor (crankshaft)
222, 224, 257, 259, 273, 275
U6
LCD instrument panel
569 to 593
R1
Ballast resistor cable
109
U6.1
Charging system warning lamp
569
R2
Carburettor heater
196, 262
U6.2
Voltmeter
570, 572
R3
Cigarette lighter
437
U6.3
Fuel gauge
571
R5
Glow plugs (Diesel)
193, 194
U6.4
Oil pressure warning lamp
586
R7
Manifold heater
186, 264
U6.5
Oil pressure gauge
588
R11
Instrument illumination rheostat
575
U6.6
Temperature gauge
581
R15
Octane coding plug
162, 180, 181, 212, 278, 279
U6.7
‘Lights on’ indicator
578
S1
Ignition/starter switch
106, 107
U6.8
Speedometer
592, 593
S2.1
Main lighting switch
334, 337, 539, 540
U6.9
High beam indicator
582
S2.2
Interior lamp switch
389
U6.10
Direction indicator repeater left
586
S3
Heater blower/heated rear
U6.11
Direction indicator repeater right
588
window switch
303, 307
U6.13
Handbrake ‘on’ warning lamp
584
S5.2
Dipswitch
343, 344, 544
U6.14
Tachometer
584
S5.3
Direction indicator switch
380, 381
U6.15
Trailer direction indicator repeater
580
S6
Distributor (contact breaker type)
111
U6.21
Panel lighting relay
574, 576
S7
Reversing lamp switch (manual)
435
U6.22
Panel lamp bulbs
575, 576
S8
Stop-lamp switch
368, 546
U6.23
Speedometer illumination
592
S9.2
Windscreen wiper switch
402, 406
U6.24
Miles/km changeover switch
593
S9.3
Rear wiper switch (except GSi)
420, 421
U6.25
Changeover switch
578
S9.4
Rear wiper switch (GSi)
429, 430
U6.27
Engine malfunction warning lamp
590
S10.1
Starter Inhibitor switch (automatic)
107
V1
Diode (brake fluid warning bulb test)
320
S10.2
Reversing lamp switch (automatic)
434
X1
Trailer socket
Various
S10.3
Park/neutral switch (not UK)
156
X2
Auxiliary connector
Various
S11
Brake fluid warning level switch
319
X5
Engine wiring harness connector
Various
S13
Handbrake ‘on’ warning switch
318, 584
X6
Body wiring harness connector
Various
S14
Oil pressure warning switch
321, 586
X7
Front wiring harness connector
Various
S15
Luggage area lamp switch
385
X8
LCD instrument 26-pin connector
569 to 592
S16
Door switch left
390
X9
LCD instrument 16-pin connector
576 to 590
S17
Door switch right
391
X10
Ignition timing basic coding plug
129, 130, 184, 184
S18
Glovebox lamp switch
439
X11
Harness connector (not UK)
147 to 169
S21
Front foglamp switch
360, 362
X13
Test connector
Various
S22
Rear foglamp switch
353, 355
X15A
Fuel injection harness connector
S29
Radiator fan thermoswitch
171
S30
Seat heating switch front left
468, 470
(Motronic)
204 to 230
X15B
Fuel injection harness connector
S37
Window lift switch
510, 518
S41
Central locking driver’s door switch 502, 503
(L3 Jetronic)
283, 291, 293
S44
Throttle valve switch
206, 207, 285, 286
X16
Ignition harness connector
238, 245, 255, 257, 262
S47
Contact switch headlamps on warning392, 393
Y5
Fuel shut-off valve (Diesel)
195
S50
Choke warning switch
133
Y6
Auxiliary air valve (L3 Jetronic)
292, 293
S52
Hazard warning
374, 378
Y7
Fuel injectors
219 to 226, 279 to 286
S55
Seat heating switch front right
472, 474
Y14
Inductive sensor (MZV ignition system)176 to 179
S60
Clutch pedal switch (not UK)
131
Y15
Inductive sensor (1.3 models,
S64
Horn switch
172
electronic ignition)
116, 117
S68.1
Mirror adjustment switch
477, 480, 485, 489
Y17
Idle cut-off solenoid
197
S68.2
Mirror heating switch
483, 492
Y23
Ignition distributor (1.3 models,
S68.3
Mirror left/right switch
486, 490
electronic ignition)
119, 120
S73
Manifold heater switch (not UK)
187
Y24
Ignition distributor (MZW ignition)
182
S81
Blake fluid check control switch
559
Y26
Throttle valve positioner (not UK)
238 to 244
S82
Washer fluid check control switch
562
Y27
Pre-throttle valve (not UK)
252, 253
S91
Oil pressure switch (not UK)
168, 169
Y32
Injection valve (not UK)
146
S93
Coolant check control switch
563
Y33
Ignition distributor (fuel injection)
207, 260, 273
U3
Trip computer assembly
452 to 461
Y44
Idle control solenoid (not UK)
131
Refer to page 12•16 for colour codes
Wiring diagrams 12•33
Key to diagram 3 - all models from 1990 on
Not all items are fitted to all models; not all engines or systems are found in UK models
No
Description
Track
No
Description
Track
E1
Parking lamp left
328
K9
Relay headlamp washer
411, 413
E2
Tail lamp left
329, 550
K15
L3 Jetronic control unit
284 to 291, 749 to 761
E3
Number plate lamp
335
K20
Ignition module
Various
E4
Parking lamp right
332
K30
Relay rear wiper delay
417 to 419
E5
Tail lamp right
334, 552
K32
Relay rear wiper delay (Estate)
431 to 433
E6
Engine compartment lamp
337
K35
Relay heated mirror
497, 499
E7
High beam left
341
K37
Relay central locking
502, 508
E8
High beam right
342
K47
ABS surge protection relay
702, 703
E9
Low beam left
344, 554
K50
ABS control unit
702 to 721
E10
Low beam right
345, 556
K53
Ignition advance control unit
123 to 129, 272 to 281
E11
Lamps instrument
339
K57
TBI control unit (C/E 16 NZ)
145 to 164
E12
Selector lever lamp (automatic)
446
K58
Fuel pump relay (TBI)
165, 166, 262
E13
Luggage area lamp
385
K61
Control unit - Motronic
606 to 636
E14
Interior lamp
391
K62
Control unit dim-dip system
347, 351
E15
Glovebox lamp
443
K63
Horn relay
173, 174
E16
Cigarette lighter lamp
442
K68
Fuel injection relay
Various
E17
Reversing lamp left
439
K75
Idle control relay (not UK)
131, 132
E18
Reversing lamp right
440
K84
Ignition control unit (EZ Plus)
187 to 198, 733 to 746
E19
Heated rear window (except Estate) 302
K86
Control unit check control
539 to 560
E20
Front foglamp left
357
K91
Motronic control unit
202 to 226
E21
Front foglamp right
358
K100
TBI control unit (C 14 NZ)
240 to 259
E24
Rear foglamp left
353
L1
Ignition coil
Various
E25
Seat heating mat front left
468
M1
Starter motor
105 to 107
E26
Light switch lamp
334
M2
Windscreen wiper motor
403, 406
E30
Seat heating mat front right
472
M3
Heater blower motor
307 to 309
E32
Clock lamp
397
M4
Radiator fan
171, 699
E33
Ashtray lamp
447
M5
Windscreen washer pump
400
E34
Heater control lamp
339
M8
Rear wiper motor (except GSi)
415 to 417
E38
Trip computer lamp
455
M14
Window lift motor front left
511, 512
E39
Rear foglamp right
354
M15
Window lift motor front right
517, 518
E40
Number plate lamp (Estate)
336
M16
Window lift motor rear left
513, 514
E41
Interior lamp (with delay)
386, 389
M17
Window lift motor rear right
515, 516
E42
Radio lamp
531, 533
M19
Door lock actuator rear left
504, 507
E60
Heated rear window (Estate)
304
M20
Door lock actuator - rear right
504, 507
F1 - 20
Fuses in fuse box
Various
M21
Fuel pump
166, 229, 262, 295, 639, 764
F21
Fuse headlamp washer
413
M24
Headlamp washer pump
413
F25
Voltage stabiliser
313
M25
Rear screen washer pump
429 to 431
F27
Fuse twin horns
174
M26
Electric aerial motor
533, 534
G1
Battery
101
M30
Electric mirror left
478, 481, 487, 490
G2
Alternator
113
M31
Electric mirror - right
494, 497
H1
Radio
529, 531
M32
Door lock actuator passenger door
504, 507
H2
Horn (single)
172
M33
Idle adjuster
Various
H3
Direction indicator repeater
378
M36
Rear wiper motor (GSi only)
421, 426
H4
Oil pressure warning lamp
321
M37
Tailgate lock actuator
504, 507
H5
Brake fluid warning lamp
319
M39
Headlamp levelling motor
774 to 776
H6
Hazard warning repeater
376
M40
Headlamp levelling motor
778 to 780
H7
Charging system warning lamp
323
M55
Front & rear screen washer pump
420, 427, 434
H8
High beam warning lamp
343
M56
Rear wiper motor (Estate)
433 to 435
H9
Stop-lamp left
368, 558
P1
Fuel gauge
314
H10
Stop-lamp right
369, 560
P2
Temperature gauge
316
H11
Direction indicator lamp front left
377
P3
Clock
396
H12
Direction indicator lamp rear left
378
P4
Fuel gauge sender
314, 571
H13
Direction indicator lamp front right
381
P5
Coolant temperature sensor (gauge)
316, 583
H14
Direction indicator lamp rear right
382
P7
Tachometer
325
H17
Direction indicator repeater (trailer)
373
P10
Oil pressure sensor
589
H18
Horn (twin)
174
P11
Airflow meter
217 to 221
H19
‘Headlamps on’ warning buzzer
393, 394
P12
Coolant temperature sensor
214, 289, 613, 759
H20
Choke warning lamp
133
P13
Air temperature sensor
460, 461
H21
Handbrake warning lamp
318
P14
Distance sensor
451, 680, 681
H23
Radio with electric aerial
532, 533
P17
ABS wheel speed sensor - front left
707
H25
Mirror heating warning lamp
483, 492
P18
ABS wheel speed sensor - front right 709
H26
ABS warning lamp
722
P19
ABS wheel speed sensor - rear left
711
H30
Engine malfunction warning lamp
Various
P20
ABS wheel speed sensor - rear right 713
H33
Direction indicator repeater left
376
P23
Manifold vacuum sensor
Various
H34
Direction indicator repeater right
380
P24
Oil temperature sensor
128, 129, 192, 276, 277, 737
H48
Horn (twin)
173
P27
Brake pad wear sensor - front left
544
12
K1
Heated rear window relay
301, 302
P28
Brake pad wear sensor front right
544
K2
Flasher unit
373, 374
P30
Coolant temperature sensor
155, 156, 251
K5
Foglamp relay
358, 359
P32
Oxygen (Lambda) sensor (Motronic) 226, 227, 630, 631
K8
Relay windscreen wiper delay
405, 408
P33
Oxygen (Lambda) sensor (TBI)
161, 254
12•34 Wiring diagrams
Key to diagram 3 - all models from 1990 on (continued)
No
Description
Track
No
Description
Track
P34
Throttle position sensor
160 to 162, 212/3, 256 to 258
U5.1
Brake pad wear warning
539
P35
Inductive sensor (crankshaft)
221 to 223, 273 to 275, 619
U5.2
Brake fluid level warning
540
P44
Air mass meter
633 to 637
U5.3
Oil level warning
541
P46
Knock control sensor
623, 624
U5.4
Coolant level warning
542
P47
Hall sensor (Motronic M 2.5)
625 to 627
U5.5
Washer fluid level warning
543
R1
Ballast resistor cable
109
U5.6
Bulb failure warning (running lights)
544
R2
Carburettor heater
177
U5.7
Bulb failure warning (stop-lamps)
545
R3
Cigarette lighter
441
U6
LCD instrument panel
569 to 594
R11
Instrument illumination rheostat
575
U6.1
Charging system warning lamp
569
R12
Automatic choke
179
U6.2
Voltmeter
570, 572
R15
CO adjustment potentiometer
163,164
U6.3
Fuel gauge
571
S1
Ignition/starter switch
106, 107, 648, 649, 670, 671
U6.4
Oil pressure warning lamp
587
S2.1
Main lighting switch
334, 337
U6.5
Oil pressure gauge
589
S2.2
Interior lamp switch
389
U6.6
Temperature gauge
583
S3
Heater blower/heated rear
U6.7
‘Lights on’ indicator
581
window switch
305 to 309
U6.8
Speedometer
579
S5.2
Dipswitch
343, 344
U6.9
High beam indicator
583
S5.3
Direction indicator switch
380, 381
U6.10
Direction indicator repeater left
585
S6
Distributor (contact breaker type)
111
U6.11
Direction indicator repeater right
587
S7
Reversing lamp switch (manual)
439
U6.13
Handbrake ‘on’ warning lamp
594
S8
Stop-lamp switch
368,562
U6.14
Tachometer
579
S9.2
Windscreen wiper switch
403 to 406
U6.15
Trailer direction indicator repeater
589
S9.5
Rear wipe/wash switch (except GSi)418 to 420,432 to 434
U6.18
ABS warning lamp
591
S9.6
Rear wipe/wash switch (GSi)
426 to 428
U6.21
Panel lighting relay
574, 576
S9.7
Windscreen washer switch
400,401
U6.22
Panel lamp bulbs
575, 576
S10.1
Starter inhibitor switch (automatic)
107
U6.23
Speedometer illumination
578
S10.2
Reversing lamp switch (automatic)
438
U6.24
Miles/km changeover switch
580
S10.3
Park/neutral switch (auto with TBI)
159, 256
U6.25
Changeover switch
592
S11
Brake fluid warning level switch
319
U6.27
Engine malfunction warning lamp
593
S13
Handbrake ‘on’ warning switch
318, 594
U11.1
Fuel deceleration cut-off valve
197
S14
Oil pressure warning switch
321, 587
U11.2
Throttle valve switch
198
S15
Luggage area lamp switch
385
V1
Diode (brake fluid warning bulb test)
320
S16
Door switch left
390
X1
Trailer socket
Various
S17
Door switch right
391
X2
Auxiliary connector
Various
S18
Glovebox lamp switch
443
X3
Connector, alternator
674 to 676
S21
Front foglamp switch
360, 362
X4
Connector, glow plug timer
672 to 695
S22
Rear foglamp switch
353, 355
X5
Connector, engine and instruments Various
S29
Coolant temperature switch
171
X6
Connector, body and instruments Various
S30
Seat heating switch front left
468, 470
X7
Connector, Jetronic and engine
283, 293
S37
Window lift switch
510, 518
X8
LCD instrument 26-pin connector
569 to 589
S41
Central locking driver’s door switch 502, 503
X9
LCD instrument 16-pin connector
581 to 594
S44
Throttle valve switch
285, 286, 618, 619, 756, 757
X10
Ignition timing basic coding plug
129, 130
S47
Switch ‘headlamps on’ warning
392, 393
X11
Connector. TBI
147. 150. 156. 166. 247 to 261
S50
Choke warning lamp switch
133
X12
Connector, L3 Jetronic/E 16 SE
749 to 766
S52
Hazard warning switch
374, 378
X13
Connector, diagnostic link
Various
S55
Seat heating switch front right
472, 474
X14
Connector, Motronic and instruments 202, 203, 212, 214
S60
Clutch pedal switch (not UK)
131
S61
Pressure switch (power steering)
299
X15
Octane rating plug
Various
S64
Horn switch
172
X16
Connector, TBI
236, 237, 245, 256
S68.1
Mirror adjustment switch
477, 480, 485, 489
X17
Connector, instruments
314 to 330,343,374,382
S68.2
Mirror heating switch
483, 492
X18
Connector, Motronic M 1.5
206 to 229
S68.3
Mirror left/right switch
486, 490
X19
Connector, Motronic M 2.5
602 to 639
S81
Brake fluid check control switch
539
X20
Connector, check control unit
549 to 560
S82
Washer fluid check control switch
540
X21
Connector, check control unit
539 to 549
S93
Coolant check control switch
541
X22
Connector, check control display
539 to 546
S95
Oil level check control switch
542
X23
Coding plug, Motronic M 2.5
611, 612
S98
Headlamp levelling switch
773 to 775
Y5
Fuel cut-off valve (Diesel)
657, 692
U3
Trip computer assembly
452 to 461
Y6
Auxiliary air valve
292, 762
U3.1
Clock switch
459
Y7
Fuel injectors
Various
U3.2
Function select switch
459
Y10
Distributor (with Hall sensor)
Various
U3.3
Reset/clock adjustment switch
459
Y17
Idle cut-off solenoid
178
U4
ABS hydraulic unit
705 to 718
Y23
Distributor (electronic ignition,1.3/1.4 models) 116 to 120
U4.1
ABS pump relay
706 to 709
Y24
Distributor (not UK)
124 to 129, 136 to 142
U4.2
ABS solenoid valve relay
714 to 718
Y25
Idle up valve (power steering)
299
U4.3
ABS hydraulic pump
705
Y30
Idle up valve (Diesel)
660
U4.5
ABS solenoid valve - front left
710
Y32
Injection valve (TBI)
146, 246
U4.6
ABS solenoid valve front right
711
Y33
Distributor (Motronic/Jetronic)
202, 273, 600 to 602
U4.7
ABS solenoid valve - rear
712
Y34
Fuel tank vent valve
220, 631
U5
Check control display unit
539 to 546
Y41
Idle control valve (not UK)
131
Refer to page 12•16 for colour codes
REF•2 Conversion factors
Length (distance)
Inches (in)
x 25.4
=
Millimetres (mm)
x
0.0394
=
Inches (in)
Feet (ft)
x 0.305
=
Metres (m)
x
3.281
=
Feet (ft)
Miles
x 1.609
=
Kilometres (km)
x
0.621
=
Miles
Volume (capacity)
Cubic inches (cu in; in3)
x
16.387
=
Cubic centimetres (cc; cm3)
x
0.061
=
Cubic inches (cu in; in3)
Imperial pints (Imp pt)
x
0.568
=
Litres (l)
x
1.76
=
Imperial pints (Imp pt)
Imperial quarts (Imp qt)
x
1.137
=
Litres (l)
x
0.88
=
Imperial quarts (Imp qt)
Imperial quarts (Imp qt)
x
1.201
=
US quarts (US qt)
x
0.833
=
Imperial quarts (Imp qt)
US quarts (US qt)
x
0.946
=
Litres (l)
x
1.057
=
US quarts (US qt)
Imperial gallons (Imp gal)
x
4.546
=
Litres (l)
x
0.22
=
Imperial gallons (Imp gal)
Imperial gallons (Imp gal)
x
1.201
=
US gallons (US gal)
x
0.833
=
Imperial gallons (Imp gal)
US gallons (US gal)
x
3.785
=
Litres (l)
x
0.264
=
US gallons (US gal)
Mass (weight)
Ounces (oz)
x
28.35
=
Grams (g)
x
0.035
=
Ounces (oz)
Pounds (lb)
x
0.454
=
Kilograms (kg)
x
2.205
=
Pounds (lb)
Force
Ounces-force (ozf; oz)
x
0.278
=
Newtons (N)
x
3.6
=
Ounces-force (ozf; oz)
Pounds-force (lbf; lb)
x
4.448
=
Newtons (N)
x
0.225
=
Pounds-force (lbf; lb)
Newtons (N)
x
0.1
=
Kilograms-force (kgf; kg)
x
9.81
=
Newtons (N)
Pressure
Pounds-force per square inch
x
0.070
=
Kilograms-force per square
x
14.223
=
Pounds-force per square inch
(psi; lbf/in2; lb/in2)
centimetre (kgf/cm2; kg/cm2)
(psi; lbf/in2; lb/in2)
Pounds-force per square inch
x
0.068
=
Atmospheres (atm)
x
14.696
=
Pounds-force per square inch
(psi; lbf/in2; lb/in2)
(psi; lbf/in2; lb/in2)
Pounds-force per square inch
x
0.069
=
Bars
x
14.5
=
Pounds-force per square inch
(psi; lbf/in2; lb/in2)
(psi; lbf/in2; lb/in2)
Pounds-force per square inch
x
6.895
=