2004 DACIA SOLENZA Repair Manual

IGNITION AND INJECTION
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PR001 MANIFOLD PRESSURE
RECOMMEND AT IONS No failure must be prese nt or memorized.
Incoherent manifold Check the insu lation, continuity and the absence of the parasite
pressure, contact on resistance of the connections between:
Pin 15 injection computer > p in A pressure transducer
Manifold pressure < Pin 16 injection computer > pin B pressure transducer
mini mal pressure at Pin 78 injection computer > p in C pressure transducer
idling Mend if necessary.
Incohe rent
atmospheric If all checked elements are correct, replace the transduc er. pre ssure
(PR0 16 )
M anifold pressure > Check :
m aximal pressure - Sealing between manifold and transduc er.
at idling - Valves clearance. -Canister purging valve operation
-Cyli nders compression
-La ck of leaking at inlet manifold (“false air”)
- Exhaust is not clogged.
If all these elements are correct, replace the tr ansducer.
Diagnostic – Parameters interpretation
AF TER Restart the conformity checking from the beginning.
REPARATION
vnx.su

IGNITION AND INJECTION
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PR002WATER TEMPERATURE
RECOMMEND AT IONS No failure must be prese nt or memorized.
If the value red is incoherent, check that sensor is correctly following the standard curve “resistance
s ubject to temperature”.
R eplace the sensor if this is prese nting deviations (Observation: the presence of the deviations from
normal values of a sensor are ofte n due furthe r to an electric shoc k).
C heck the insulation, continuity and the abse nce of the parasite resistance of the con nections
between:
Pin 13 injection computer > pin B2 water temp erature sensor
Pin 73 injection computer > pin B1 water temperature se nsor
Me nd if necessary.
Diagnostic – Parameters interpretation
AFTER Restart the conformity checking from the beginning.
REPARATION
vnx.su

IGNITION AND INJECTION
17
17 - 77
ET003AIR TEMPERATURE
RECOMMEND AT IONS No failure must be prese nt or memorized.
If the value red is incoherent, check that se nsor is correctly following the sta ndard curve
“resistance subject to temperature”.
R eplace the sensor if this is presenting deviations (Observation: the prese nce of the deviations
from normal values of a sensor are ofte n due further to an ele ctric shock).
Ch eck the insulation, continuity and the absence of the parasite resistance of the connections
between:
Pin 49 injection computer > pin 1 air tem perature sensor
Pin 77 injection computer > pin 2 air temperature se nsor.
M end if necessary.
Diagnostic – Parameters interpretation
AF TER Restart the conformity checking from the beginning.
REPARATION
vnx.su

IGNITION AND INJECTION
17
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PR004COMPUTER SUPPLYING VOLTAGE
RECOMMENDATIONS No failure must be prese nt or memorized.
No consumers
If vo ltage > Min, the batte ry is discharged :
C heck tha t charging voltage is correct with and without consumers.
Under contact If voltage > Max, the battery i s, probabl y, too charged:
C heck tha t charging voltage is correct with and without consumers.
If voltage < Min, the charging voltage is to weak :
C heck that charging circuit in order to dete ct the origin of this problem.
At idling If voltage > Max, t he charging voltage is too strong:
The alternator -charging regulator is damaged.
Fix this problem and check the ele ctrolyte level in the battery.
If the battery
and the charging The problem must be treated using the DF345 diagnostic method : Supply +5
circuit are volts potentiometers and sensors
correct.
AF TER Restart the conformity checking from the beginning.
REPARATION
Diagnostic – Parameters interpretation
vnx.su

IGNITION AND INJECTION
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Diagnostic – Parameters interpretation
PR017VALVE POSITION
RECOMMEND AT IONS No failure must be prese nt or memorized.
Limit memorizing of Check that potentiometer me chanical limitter has not been
PR008 or non-dete ction Check the acceleration control (fric tion, pedal ET005 obstacle,…).
of the released
acceleration pedal
ET003 or non-detecting Check the valve potentiometer resistance.
of pressed Replace the valve potentiometer, if neces sary.
acceleration modified. Check the insulation, continuity and the absence of the p arasite
resistance of the connection between:
Pin 43 injection computer > pin C valve potentiometer
Pin 74 injection computer > pin B valve potentiometer
Pin 75 injection computer > pin A valve pote ntiometer
The valv e pos ition Check that potentiometer is mec hanic ally coupled to the valve.
is fixed (PR017) If necessary, replace the transducer.
AFTER Restart the conformity checking from the beginning.
REPARATION
vnx.su

IGNITION AND INJECTION
17
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PR030 ENRICHING ADAPTATION IN OPERATION
PR031 ENRICHING ADAPTATION AT IDLING
RECOMMEND AT IONS No failure must be present or memorized.
Perform the steps for memorizing the adaptation values by the injection
computer.
Erase the computer memory. A t warm, when idling adjustment, observe the se paramete rs :
- If one of t hese parameters is moving towards the minimal limit, there is not sufficient petrol or there
is t oo much air.
- If one of the se paramete rs is moving towards the minimal limit, there is too much petrol or there is
not sufficient air.
(See chapter “ Enriching adaptive correction) for the exact limit values)
Ensure the cleaning condition and the good operation of :
- fuel filter
- fuel pump
- fuel circuit
- fuel tank
- air supply piping
- air filter
- spark plugs
C heck :
- Engine compressions
- Valves cle arance
- Ignition
Diagnostic – Parameters interpretation
AF TER Restart the conformity checking from the beginning.
REPARATION
vnx.su

IGNITION AND INJECTION
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AC010FUEL PUMP RELAY
RECOMMEND AT IONS No failure must be prese nt or memorized.
Before perform this checking, check the lines corresponde nce on the
electric diagram adequate to that vehic le.
Ch eck that choke sensor is in operating condition
M end the choke sensor if necessa ry.
Ch eck the continuity between ways 1 and 3 of the choke sensor.
If there is no continuity, repla ce the choke sensor.
Ch eck, under starter operation, the prese nce of the +12 volts at way 3 of t he choke sensor connector.
If there is no +12 volts, restore in function the line from way 3 of the choke sensor to pole 5 of the fuel
pump relay.
Ch eck the wiring condition and the mass presence at the fuel pump.
Ch eck the wiring insu lation and cont inuity :
Way 3 choke sensor > fuel pump
M end if necessary.
If the incident is persisting, repla ce the fuel pump.
Diagnostic – Parameters interpretation
AF TER Restart the conformity checking from the beginning.
REPARATION
vnx.su

IGNITION AND INJECTION
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AC212WATER TEMPERATURE WARNING INDICATOR
RECOMMEND AT IONS No failure must be prese nt or memorized.
C heck the mass presence on the indicator line, after control activating.
M end if necessary
If a short- circuit has occurred at the supply circuit +12 volts on the indicator line, the instrument
panel may be dama ged.
If the incident is persisting, consult the instrument panel diagnostic
Diagnostic – Parameters interpretation
AF TER Restart the conformity checking from the beginning.
REPARATION
vnx.su