ABS DACIA SOLENZA 2004 Owner's Manual

IGNITION AND INJECTION
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DF102
P RESENT
OR
ME MO RIZED
C heck for leakage on exhaust line.
If the vehicle is mostly driven in town, perform an oxygen sensor cleaning.
C heck the connection and condition of the oxygen sensor connector .
R eplace the connector if necessary.
C onnect the 90 ways terminal box instead of the injection computer then check the insulation,
continuity and the absence of the parasite resistance on lines: Pin 45 injection computer > pin C upstream oxygen sensor
Pin 80 injection computer > pin D upstream sensor
Pin 63 injection computer > pin B upstream sensor
Fi x it if necessary.
If the proble m is persisting, repla ce the oxygen sensor.
If the problem is persisting after these checking, treat the other failures then perform the conformity
checking.
Note any other functional failures.
Fix any other possible failures.
AF
TER
REPARATION
RE COMMENDATIONS
OXYGEN SENSOR FUNCTIONAL FAILURE
It shows an incoherent information received b means of the upstream
oxygen sensor.
Apply this diagnostic if the failure is prese nt or memorized.
Diagnostic – Failures interpretation
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IGNITION AND INJECTION
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Diagnostic – Failures interpretation
DF 118
P RESENT
OR
ME MO RIZED
On the vehicles equipped with refrigerant fluid pressure
transducers, the injection computer is recalculating the value of the
RE COMMENDATIONSPR 044 parameter: Compressor absorbed power, starting from the
values of the refrige rant fluid pressure.
In case of the paramete r PR027 deviation from normal values, the
value of the PR044 parameter might be wrong.
C heck the connection and condition of the connector of the refrigerant fluid pressure transducer.
M end if necessary.
C onnect the 90 ways terminal box instead of the injection computer then check the insulation and
continuity on lines: Pin 82 injection computer > p in A pres sure transducer
Pin 83 injection computer > pin B pressure transducer
Pin 18 injection computer > p in C pres sure transducer
M end if necessary.
If the problem is persisting, perform a climate control diagnostic.
Pe rform the operations from ” recommendations” for reparation confir mation
AF TER Fix any other possible failures
REPARATION Erase the failures memoriz ed by the injection computer.
Perform a conformity checking by means of the CLIP tester.
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IGNITION AND INJECTION
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Diagnostic – Failures interpretation
DF 120OBD INDICATOR CIRCUIT
P RESENT 1. DEF : Open circuit or short-circuit
OR CO : open circuit
ME MO RIZED CC.O : shot circuit at mass
CC.1 : short circuit at + 12 V.
Apply the diagnostic in suc h way so that failure is prese nt or memo
rized.
RE COMMENDATIONSConditions for diagnostic appl ication at memorized failure:
- Actuator control launching AC 213 : OBD Indicator
C heck the insu lation, continuity and absence of the parasite resistance on way 34 of the
injection computer.
M end if necessary.
Ensure the presence of + 12volts at OBD indicator
C heck the cockpit fuse box, related to instrument panel supplying.
Replace it if necessary.
Perform the operations from ” recommendations” for reparation confir mation
AF TER Fix any other possible failures
REPARATION Erase the failures memoriz ed by the injection computer.
Perform a conformity checking by means of the CLIP tester.
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IGNITION AND INJECTION
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DF 345SUPPLY + 5 VOLTS POTENTIOMETERS AND SENSORS
P RESENT 1. DEF Open circuit or short-circuit
RECOMMEND AT IONS Check with the contact set on, the parame ter “PR004: computer
su pp lying voltage” ( measur ed voltage at battery: about 12 volts).
- if at limit the value is of 16 volts, it means there is a short-circuit at
mass.
- if at limit the value is of 10.7 volts, it means there is short-circuit at
+ 12 volts of one one of th e supply ways +5 volts
Ch eck the connection and condition of the connectors of the valve potentiometer, manifold pressure
s ensor and refrigerant fluid pressure transduc er 9if the re is on the vehicle ).
R eplace the connector/c onnectors if necessary.
Disc onne c t one by one, the following transduc e rs, if they a re passing from sta te prese nt to
me mo rized: valve potentiometer, manifold pressure transduc er and refrigerant fluid pressure
t ransducer (if there is on vehicle).
Treat the failure from the transducer, if necessary.
Check the insu lation ,continuity and the absence of the parasite resistance on lines:
Pin 74 injection computer > pin B valve potenti ometer
Pin 78 injection computer > pin C manifold pressure transducer
Pin 83 injection computer > pin B refrige rant fluid pressure transducer (if there is).
M end if necessary.
If the problem is persisting after these checking, treat the others failures then perform the conformity
checking.
Pe rform the operations from “recommendations” for reparation confirma tion
AF TER Fix any other possible failures
REPARATION Erase the failures memoriz ed by the injection computer.
Perform a conformity checking by means of the CLIP tester.
Diagnostic – Failures interpretation
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IGNITION AND INJECTION
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Diagnostic – Conformity checking
Sequence Function Parameter/Controlled s tate or action Visualization Diagnostic
and Observations
In case of a problem
10 Anti-detonationPR013 : Detonation average signal 20 < X < 1 00 consult the
circuit PR0013 diagnostic
ET037 : Enriching adjustment ACTIV E
11 Enriching In case of a problem
adjustment PR009 : Upstream O2 sensor voltage 20 < X <84 0 mV consult the
ET037 diagnostic
PR 035 : Enriching correction value 0 < X < 255 Average value 128
Cl imate contro ET009 : Climate control request ACTIV E
(controlled AC) If injection is authorizing thecompressorcoupling
ET070 : Climate control compressor ACTIV E
If injection is
authorizing the compressorcoupling
In case of a problem
consult the ET00,
ET070 and DF1 18
According to E035 : fan low speed ACTIV Ediagnostic or chapter
conditions and Fan must “Injection/CA
requests of the run at low str a tegy” injection speed
computer,
12 w a t e r temperature,
electric If state
consumption, ET038 : accelerated idling ACTIV E
refrigerant fluidThen parameter pressure PR006 : Engine regime 850 < X < 960 rpm
If type Info PA 300 complete or coldP R044 : Absorbed power by AC ( X<300W if the
l oop present in compressor injection is not
injection authorizing the
the compressor
coupling)
If type cold PR027 : Refrigerant fluid pressure
l oop in injection 2< X < 6 bar
RECOMMEND
AT IONS The values show n on this conformity checking are only as indication.
Performing conditions : Warm engine at idling and no consumers.
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IGNITION AND INJECTION
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Diagnostic – States interpretation
ET009CLIMATE CONTROL REQUEST
RECOMMEND AT IONS No failure must be prese nt or memorized.
The injection computer is not noticing the air conditioning starting control.
Ch eck the in sulation and continuity on the line from pin 23 (climate contr ol of type Info Power
Absorbed by compressor) or from pin 46 (climate control of type Logical connection) of the injection
computer.
M end if necessary.
If the proble m is persisting consult the climate control diagnostic.
AF TER Restart the conformity checking from the beginning.
REPARATION
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IGNITION AND INJECTION
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ET035LOW SPEED ENGINE FAN
RECOMMEND AT IONS No failure on the water temperature sensor circuit must be present in
order to perform this diagnostic.
Check:
- engine fan condition
- engine fan resistance condition
- condition f the engine fan mass connection
-l ow speed engine fan supply
-s upply line between engine fan and engine fan relay
M end if necessary.
C heck the connection and condition of the connector of the low speed engine fan relay
Re place the connector if necessary.
Rem ove the rela y of the low spe ed engine fan
C heck, with the contact set on, the supply presence +12 volts at pole 1 of the rela y.
M end if necessary.
Measure the relay coil resistance.
Re place the rela y of the low spe ed engine fan, if necessary.
Connect the 90 ways terminal box instead of the computer and check the in su la t i on, continuity and
absence of the parasite resistance on the connection between: Pin 8 injection computer > Relay of the low speed engine fan
M end if necessary.
Diagnostic – States interpretation
AF TER Restart the conformity checking from the beginning.
REPARATION
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IGNITION AND INJECTION
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ET036HIGH SPEED - ENGINE FAN
RECOMMEND AT IONS No failure on the water temperature sensor circuit must be present in
order to perform this diagnostic
Check:
- engine fan condition
- engine fan resistance condition
- condition of the engine fan mass connection
-hi gh speed engine fan supply
-s upply line between engine fan and engine fan relay
M end if necessary.
C heck the connection and condition of the connector of the hi gh speed engine fan relay
R eplace the connector if necessary.
Rem ove the relay of the high speed engine fan
C heck, with the contact set on, the supply presence +12 volts at pole 1 of the rela y.
M end if necessary.
Measure the relay coil resistance.
R eplace the relay of the high- speed engine fan, if necessa ry.
C onnect the 90 ways terminal box instead of the computer and check t he in su la t ion, continuity and
absence of the parasite resistance on the connection between: Pin 38 injection computer > Relay of the high speed engine fan
M end if necessary.
Diagnostic – States interpretation
AF TER Restart the conformity checking from the beginning.
REPARATION
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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
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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
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