check engine DACIA SUPERNOVA 2004 Repair Manual

82B
HORN - ENGINE IMMOBILISER
82B - 53
The engine hood connector is dismounted as follows:
- easy pull the blocking clip of the wirin g connector and then disconnect the engine hood contact;
- press the blocking clips of the lateral sides of the contact;
- push upward the contact i n order to remove it from its place.
Mount the new contact in its support by downward pushing, until a “click” is heard, confirming
the correct connecting. Connect the wires connector to t he contact of the hood.
Check the proper operation of the hood contact and of the anti intrusion system. DISMOUNTING – REMOUNTING OF THE HOOD CONTACT
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82B
HORN - ENGINE IMMOBILISER
82B - 54
NOTE
If the dismounting / remounting of t he front doors or hatchback contacts,
check aft er that , the correct operation of the anti intrusion system.
LEFT SIDE VOLUME SENSOR REPLACEMENT
If sensor replacement is required, proceed as follows:
- take out carefully the sensor from its support by detaching from clips;
- dismount the attachment screw of the sensor support on the front left pillar upholstery.
- dismount the three attachment screws of the upper upholstery of the front left pillar and
carefully remove the upholstery;
- carefully disconnect the sensor connector from the vehicle’s wiring;
- mount the new volume sensor and its support performing the above mentioned operations
in reverse order, and then checking the proper operation of the anti intrusion system.
AT TENT ION
Be sure that the v olume sensor mounted on the l eft side has marked the
letter “T ” on the red colour collar.
Mo unt the volume sensor in such way, to be oriented towards the back of the vehicle,
parallel wi th the side windows.
RIGHT SIDE VOLUME SENSOR REPLACEMENT
If sensor replacement is required, proceed as follows:
- take out carefully the sensor from its support by detaching from clips;
- dismount the attachment screw of the sensor support on the front right pillar upholstery.
- dismount the three attachment screws of the upper upholstery of the front right pillar and
carefully remove the upholstery; - carefully disconnect the sensor connector from the vehicle’s wiring;
- mount the new volume sensor and its support performing the above mentioned operations
in reverse order, and then checking the proper operation of the anti intrusion system.
AT TENT ION
Be sure that the volume sensor mounted on the right side has marked t he l etter
“R” on the white colour collar. Mo unt the volume sensor in such way, to be oriented t owards the bac k of the v ehicle,
parallel wi th the side windows.
V OLUME SENSOR DISMOUNTING – REMOUNTING
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83
INSTRUMENT PANEL
OIL PRESSURE WARNING LIGHT STILL ON
AFTER ENGINE STARTING
Check the oil pressure
The pressure is correct.
Replace the oil pressure switch. The pressure is not correct.
There is a failure in the oil circuit.
OIL PRESSURE WARNING LIGHT IS NOT ON
WHEN CONTACT SWITCH ON
Place the wire from the oil pressure switch to the ground.
Wa r ning light is not on.
Check if the bulb is not burnt.
Warning light is on. Replace the oil pressure
switch.
Burnt bulb. Replace it. Bulb is not burnt . Check the bulb
supply wiring and fix it.
FUEL LEVEL INDICATOR
SHOWING ALWAYS FULL
Disconnect the connection wire t o the probe.
The indicator comes back
to zero. Re place the probe. The indicator
does not come to zero.Is there
any ground short-circuit of the connection
wi re to the probe?
Yes. Fix the wiring layout. No. Replace the indicator.
83-7
DIAGNOSTIC
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85
WINDSCR EEN WIPERS
85-6
WINDSCREEN WIPER NOT WORKING AT HIGH SPEED; PUMP IS
WORKING
WINDSCREEN WIPER NOT WORKING AT LOW SPEED; IT DOES NOT STOP AT FIX POINT; PUMP IS WORKING
Check the green wire supplying from the
wiring connector connected to the electric motor.
The wire is not voltage supplied; replace the
contact or fix the electric wiring to the con-
nector. The wire is voltage supplied
Check the electric motor supplying.
The engine is voltage supplied; replace the
motor. The electric motor is not supplied;
the supply
wire is broken. Fix it.
Check the gray wire supplying from the
wiring connector connected to the electric motor.
The wire is not voltage supplied; replace
the connector or fix the electric wiring to
the connector. The wire is supplied.
Check the motor supplying.
The engine is voltage supplied; replace the
motor. The motor is not supplied;
the supply wire
is broken or is connected.
DIAGNOSTIC
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89A
ELECTRICAL DIAGRAMS
89A - 6
PA
RTICULARITIES REGARDING THE CONNECTORS
DISCONNECTING METHOD
Because this vehicle is equipped with electronics systems controlling and checking different
functions, it is necessary the execution of the electric connection by means of some connectors
provided with securing de vices after coupling performing. Due t o this reason, i n c ase t heir
disconnecting is necessary, proceed observing the following observations:
- connectors for: ignition coil (pos.1), canister purging valve (pos.2), AC pressure sensor (pos.3),
atmospheric pre ssure sensor(pos.4), siren(pos.4), step-by-step engine (pos.5), valve potentiometer
(p os.6), cooling blower (pos.7) are to be disconnected after easy pulling the locking clamp in the
di rection shown by the arrow.
- the connectors for: RPM sensor (pos.8), front hood contact (pos.9) are to be disconnected
after easy pulling the locking clamp (A) in the arrow direction, for unlocking.
pos. 8
A
pos. 9
A
pos. 1pos. 2pos. 3
pos. 5 pos. 6
pos. 7pos. 4
C
B
A
pos.10
GENERALITIES
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