oil change DACIA SUPERNOVA 2004 Repair Manual

E7J-A-2/60 ENGINE17
IGNITION AND INJECTION
17 - 21
DIAG
NOSING-INTERPRETING THE DEFECTS
CIRCUIT OF COMMAND ACTUATOR RELAY
1. Circuit of command or short-circuit to the mass of the circuit to-
wards pin 39 of the calculator
2.
Short-circ uit a t 12V a long the c irc uit tow a rds p in 39 of the c a lc ula tor
4.
SUGGESTIONSConditions of breakdown detection by the calculator:
-tak e the contact and wait till dialogue with the tester is lost
-put th e contact and enter dialogue.
Condition of performing the diagnosing:
-defec t is present.
REMARK : This defect has priority and should be dealt with be-
fore the following ones.
Check the state of the battery and the connections to the mass.
Remedy if necessary.
Check the connecting and the state of the connector of 238 relay.
Change the connector if necessary.
Check the presence of +12V at the pole 1 of 238 relay.
Remedy the circuit to fuse S
1 in the engine compartment.
Check the coil of the 238 actuator relay.
Change relay if necessary.
Connect the 90-way terminal-tester instead of the calculator and check the insulation and
the continuity along the circuit:
pin 39 of calculator
♦ pole 2 of actu ato r r elay 2 38.
Remedy if necessary.
The proble m is not yet solved! Consequently, the injection calculator must be changed.
CAUTION! The destruction of the calculator has probably been caused by an electric shock.
The cause of the destruction must be found before mounting a new
calcul ator.
AFTER REPAIR Er
ase defects memorized by the computer.
Perform the steps under “Suggestions” to confirm the repair.
Remedy other possible defects.
DEFECT
PR ESENT
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E7J-A-2/60 ENGINE17
IGNITION AND INJECTION
17 - 22
DIAG
NOSING-INTERPRETING THE DEFECTS
CIRCUIT OF COMMAND PETROL PUMP
1. Open circuit or short-circuit to the mass of the circuit towards pin 68 of the c alculator
2. Short-circuit at 12V along the circuit towards pin 68 of the calculatorDEFECT
PRESENT
SUGGESTIONS
Conditions of breakdown detection by the calculator:
-tak e the contact and wait till dialogue with the tester is lost
-put the contact and enter dialogue.
Condition of performing the diagnosing:
-defec t is present.
REMARK : This defect has priority and should be dealt with before
the following ones.
Check the connection and the state of the 236 petrol pump connector.
Change connector if necessary.
Check, after setting the contact, the presence of +12V at the pole 1 of 236 petrol pump.
Remedy if necessary.
Connect the 90-way terminal-tester instead of the calculator and check the insulation
and the co ntinuity along the circuit:
pin 68 of calculator
♦ pole 2 of the 236 petrol pump.
Remedy if necessary.
Check the coil of the 236 petrol pump.
Remedy if necessary.
The prob lem is not yet solved! Consequently, the injection calculator must be changed.
CAUTION! The destruction of the calculator has probably been caused by an
electric shock.
The cause of the destruction must be found before mounting a new
calculator.
AFTER
R EPAIREr ase defects memorized by the computer.
Perform the steps under “Suggestions” to confirm the repair.
Remedy other possible defects.
5.
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E7J-A-2/60 ENGINE17
IGNITION AND INJECTION
17 - 27
DIAG
NOSING-INTERPRETING THE DEFECTS
DEFECT
PRESENT OR
MEMORI ZED
CYLINDERS 1 AND 4 IGNITION COIL CIRCUIT
1. Short-circuit at 12 V along the way to the pin 32 of the calculator (cylinders 1 and 4 coil command)
2. Open circuit or short-circuit to the mass along the way to pin 32 of the calculator (cylinders 1 and 4 coil command).
SUGGESTIONS
Conditions of breakdown detection by the calculator:
-the engine is started or turned with the starter for 10 seconds
Condition of performing the diagnosing:
-defec t is present
-the defect has been memorized but is recorded in the “present”
state.
Check the re s istance of co il be tween th e outlets for cy linders 1 and 4.
Change the co il if ne ce ss ar y.
Check, after setting the contact, the presence of +12V at the pole 1 of oil pump 236
re lay.
Remedy it if necessary.
Connect the 90-way terminal-tester instead of the injection calculator and check the
ins ul ati on and the continuit y al ong the cir cu it:
pin 32 of cal cul ato r ♦ pin A of ignition coil .
Remedy if necessary.
Check:
-con nection and state of the 236 oil-pump relay
-the presence of +12 V, after contact, at the 1 pole of the 236 relay
-the circu it between the 2 pole of the 236 relay and pin 68 of the injection calculator
-the coil of the 236 o il-pump relay.
Remedy if necessary.
The problem is not yet solved! Consequently, the injection calculator must be changed.
CAUTION! The destruction of the calculator has probably been caused by an electric shock.
The cause of the destruction must be found before mounting a new
calcul ator.
10.
AFTER
REPA IREr
ase defects memorized by the computer.
Perform the steps under “Suggestions” to confirm the repair.
Remedy other possible defects.
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E7J-A-2/60 ENGINE17
IGNITION AND INJECTION
17 - 28
DIAG
NOSING-INTERPRETING THE DEFECTS
CYLINDERS 2 AND 3 IGNITION COIL CIRCUIT
1. Short-circuit at 12 V along the way to the pin 1 of the
calculator (cylinders 2 and 3 coil command)
2. Open circuit or short-circuit to the mass along the way to pin 1 of th e calcula tor (cylinders 2 and 3 coil command).
DEFECT
PRESENT OR
MEMO RIZED
Conditions of breakdown detection by the calculator:
-the engine is started or turned with the starter for 10 seconds
Condition of performing the diagnosing:
-defec t is present
-the defect h as been memorized but is recorded in the “present”
state.
S UGGESTIONS
Check the resistance of coil between the outlets for cylinders 2 and 3.
Change the coil if necessary.
Check, after setting the contact, the presence of +12V at the pole 1 of oil pump 236
relay.
Remedy it if necessary.
Connect the 90-way terminal-tester instead of the injection calculator and check the
insulation and the continuity along the circuit:
pin 1 of calcul ato r
♦ pi n B of ignition coil.
Remedy if necessary.
Check:
-con nection and state of the 236 oil-pump relay
-the presence of +12 V, after contact, at the 1 pole of the 236 relay
-the circu it between the 2 pole of the 236 relay and pin 68 of the injection calculator
-the coil of the 236 oil-pump relay.
Remedy if necessary.
The problem is not yet solved! Consequently, the injection calculator must be changed.
CAUTION! The destruction of the calculator has probably been caused by an electric shock.
The cause of the destruction must be found before mounting a new
calcul ator.
Er ase defects memorized by the computer.
Perform the steps under “Suggestions” to confirm the repair.
Remedy other possible defects.
AFTER
R EPAIR
11.
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E7J-A-2/60 ENGINE17
IGNITION AND INJECTION
17 - 41
DIAG
NOSING-INTERPRETING THE DEFECTS
DEFECT
PRESENT
AIR-CONDITIONING COMPRESSOR RELAY COMMAND CIRCUIT
1. Open circuit or short-circuit to mass of the way to pin 10 of the
calculator
2. Short-circuit at 12 V along the way to pin 10 of the calculator25.
Check the connection and the condition of the 584 compressor relay.
Change the connector if necessary.
Check the presence of +12 V at pole 3 of the 584 compressor relay.
Check fuse S6 in the engine compartment.
Remedy it if necessary.
Check the presence of mass at pole 2 of the584 compressor relay
Remedy if necessary.
Check that the insulation and the continuity of the circuit:
pin 10 calculator
♦ pole 2 of the 584 compressor relay.
Remedy if necessary.
Check the coil of the 584 relay.
Change relay if necessary.
The prob lem is not yet solved! Consequently, the injection calculator must be changed.
CAUTION! The destruction of the calculator has probably been caused by an electric shock.
The cause of the destruction must be found before mounting a new
calcul ator.
Erase defects memorized by the computer.
Perform the steps under “Suggestions” to confirm the repair.
Remedy other possible defects.
AFTER REPA IR
Condition of breakdown detection by the calculator:
-take the contact, and wait for the dialogue with the tester to be lost,
then set the contact and resume dialogue.
Condition of performing the diagnosing:
-defec t is present
-the defect has been memorized but is recorded in the “present” state.
Note: The calculator will command the compressor relay only if the con-
d itions are met which allow the good operational mode of the air-condi-
tioning installation (pressure of refrigerating agent in installation, work-
ing electric circuit between calculator and A.C. start switch).
Refer to directions of A.C installation repairing.
S UGGESTIONS
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E7J-A-2/60 ENGINE17
IGNITION AND INJECTION
17 - 43
DIAG
NOSING-INTERPRETING THE DEFECTS
LOW SPEED VENTILATOR RELAY COMMAND CIRCUIT
(for A.C. cars)
1. Open circuit or short-circuit to mass of the way to pin 8 of the calcu- lator
2. Short-circuit at 12 V along the way to pin 8 of the calculator.DEFECT
PR ESENT27.
Conditions of breakdown detection by the calculator:
-take the contact and wa it for the dialogue with the tester to be lost
-set the conta ct and enter dialogue.
Condition of performing the diagnosing:
-defec t is present
Note: this defect has to be correlated with the diagnosing of the water
temperature sensor circuit and the air-conditioning installation.
SUGGESTIONS
Check the connection and the condition of the low-speed 700 ventilator connector
Change the connector if necessary.
Check, after setting contact, the presence of +12 V at pole 1 of the 700 relay.
Remedy it if necessary.
Connect the 90-way terminal-tester instead of the calculator and check the insulation
and the co ntinuity along the circuit:
pi n 8 of calculator
♦ po le 2 of the low-speed 700 ventilator relay.
Remedy if necessary.
Check the coil of the low-speed 700 ventilator relay.
Change relay if necessary.
The problem is not yet solved! Consequently, the injection calculator must be changed.
CAUTION! The destruction of the calculator has probably been caused by an electric shock.
The cause of the destruction must be found before mounting a new
calcul ator.
AFTER
REPAIREr ase defects memorized by the computer.
Perform the steps under “Suggestions” to confirm the repair.
Remedy other possible defects.
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E7J-A-2/60 ENGINE17
IGNITION AND INJECTION
17 - 45
DIAG
NOSING-INTERPRETING THE DEFECTS
VENTILATOR RELAY COMMAND CIRCUIT
(for cars having no A.C.)
1. Open circuit or short-circuit to mass of the way to pin 8 of the calculator
2. Sh ort-circuit at 12 V along the way to pin 8 of the calculator.DEFECT
PRESENT29.
Conditions of breakdown detection by the calculator:
-take the contact and wait for the dialogue with the tester to be lost
-set the conta ct and enter dialogue.
Condition of performing the diagnosing:
-the defe ct is present
Note: this defect has to be correlated with the diagnosing of the water
temperature sensor circuit.
SUGGESTIONS
Check the connection and the condition of the connector of the 23 4 cooling ventilator
re lay.
Change the connector if necessary.
Check, af t er se tt i ng co nt a ct, the pr e sence of +12 V at po le 1 of the 234 re lay.
Remedy it if necessary.
Connect the 90 - way te r m in a l -tester instead of th e calculator an d check the in s ulation
and the con ti nui ty alo ng the circui t:
pi n 8 of ca lc ul at or
♦ pole 2 of th e 23 4 cooling ve nt il at or re la y.
Remedy if necessary.
Check th e coil of th e 234 co ol in g ventilator relay.
Change th e relay if ne ce ss ar y .
The problem is not yet solved! Consequently, the injection calculator must be changed.
CAUTION! The destruction of the calculator has probably been caused by an
ele ct ric sho ck.
The cause of the destru ction must be found before mounti ng a new
calcu lato r.
Er ase defects memorized by the computer.
Perform the steps under “Suggestions” to confirm the repair.
Remedy other possible defects.AFTER
R EPAIR
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E7J-A-2/60 ENGINE17
IGNITION AND INJECTION
17 - 56
DIAG
NOSING-INTERPRETING THE STATES
STATEIDLE MODE ADJUSTMENT
SUGGESTIONS There shou
ld be no defect present or memorized
Check the resistance of the step-by-step engine for the idle mode adjustment.
Change it if necessary.
Check the insulation and the continuity of the cabling along the circuits:
- pin 12 calc ulator ♦ pin B step-by-step engine
- pin 41 calc ulator ♦ pin A step-by-step engine
- pin 42 calc ulator ♦ pin C step-by-step engine
- pin 72 calc ulator ♦ pin D step-by-step engine
Remedy if necessary, and then go on with the diagnose, watching the tolerance value of
the idle mode rotation ratio.
The id le mode rotation
ra tio< minimal limit. The id le mode rotation ratio is too small.
-Check th e functioning of the enrichment adjustment.
-Clean the air supply circuit (clapper body, step-by-step engine) as they seem to be dirty.
-Ch eck th e oil level of the engine (too high a level causes splash lubrication)
-Ch eck the pressure of petrol (see if it is not too small)
-Ch eck en gine compression with the “CLIP TEHNIC” tester
-Ch eck the adjustment of the rocker-arms and the settling of the distribution.
-Ch eck the ignition system
-Ch eck the in jectors.
If all the above are correct, then the step-by-step engine will have to be replaced.
AFTER REPAIRPerform again the conformity test.
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AIR CONDITIONING
62
62 - 2
AIR COND
ITIONING UNIT
DISMOUNTING
Make the unit functioning for at least 10 minutes (if the unit permits).
Drain the circuit at the filling equipment.
Measure the quantity of recovered refrigerated fluid.
Release the access to the component that is needed to be changed.
Disconnect the connections.
In order to avoid the moisture infiltration, protect with protection covers.
Dismount the component.
REMOUNTING
P ut special c ompressor oil on the new elements thread and on the gaskets.
AT TENT ION
The new components must be obligatory provided with protection c overs.
Remove t he protection covers, connect the new component on t he free connection,
and tighten it by hand.
Place the component correctly.
Tighten it at couple.
Refill with refrigerant fluid and oil.
The filling up with oil for different repairs is to be performed as follows: add in the charging
equipment container, the recovered oil quantity, plus an oil quantity, as it follows:
- sudden damaged of one of the unit’s element or leakage 100ml
- condenser replacement 30 ml
- evaporator replacement 30 ml
- dryer filter replacement 15 ml
- pipe replacement 10 ml
For compressor dismounting/remounting without replacement add 120 ml.
If there are signs of moisture in the air conditioning circuit, replace the dryer filter tank.
62
GENERALITIES
!
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AIR CONDITIONING
62
62 - 7
The compressor is absorbing the vapors coming from the evaporator at low pressure and
temperature, is compressing them and convey the gas at high temperature and pressure. The refrigerant fluid in high pressure and temperature vapor condition is entering in the second
he at exchanger, which by condensation is transmitting the heat to the external environmental.
At the exit from the condenser, the refrigerant fl uid is in liquid condition, at a high pressure and temperature.
Type of compressor: SD 7Y15
Compressor oil : PAG SP 10 or SP20, volume –135 cmc.
Refrigerant: HFC 134 a, quantity of refrigerant : 0.590 kg
C OMPRESSOR REPLACEMENT
DISMOUNTING
Disconnect the battery.
Drain the refrigerant circuit.
Disconnect the compressor’s connection.
Disconnect the pipes from the compressor.
Dismount the belt tensioning screw and release the belt.
Dismount the compressor attachment screws.
Dismount the compressor.
Replace the compressor.
REMOUNTING
Perform in the reverse order the dismounting operations.
T ension the belt and tighten at the required moment the tightening attachment screw.
Fill the refrigerant circuit and check the good operation of the climate control system.
COMPRESSOR
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