check engine DACIA SOLENZA 2004 Service Manual

IGNITION AND INJECTION
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Perform the operations from ” recommendations” for reparation confirma tion.
Fi x any other possible failures.
Erase the failures memoriz ed by the injection computer.
Pe rform a conformity checking by means of the CLIP tester.
AF
TER
REPARATION
CYLINDER 4 INJECTOR CIRCUIT
1. DEF : Open circuit or short-circuit
CO : open circuit
CC.O : s hot circuit at mass
CC.1 : s hort circuit at + 12 V.
DF 055
P RESENT
OR
MEMO RIZED
Conditions for diagnostic appl ication to memorized failure:
Start the engine and especially stop it immediately the failure i s becoming
present, so that catalyst-dama ging risk is avoide d.
In case of failures addition, treat as most important, failure “ DF009
actua tors relay control cir cuit”
* If the failure is memorized with OBD indicator on, check in the context
part, if state “ET281 : Cylinder 4 injector circuit” corresponding to the
OBD indicator lighting request is affirmative. In this case, proceed as per
bellow mentioned method
C heck the connection and condition of the injector 4 connector.
R eplace the connector if necessary.
C heck the injector 4 resistance. Refer to chapter “Help” in order to compare the resistance values.
R eplace the injector if necessary.
When setting the contact on, check the presence of supplying +12 V on pin 1 of the injector 4.
Fix, if necessary the electric routing up to actua tors relay.
C onnect the 90 ways terminal box instead of the injection computer the n check the insulation and
continuity on line :
pi n 89 injection computer > pin 2 injector 4
Fi x if necessary.
If after these checking the problem is persisting, treat the other failures then perform the conformity
checking
Diagnostic – Failures interpretation
RE COMMENDATIONS
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IGNITION AND INJECTION
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DF 057
P RESENT
OR
ME MO RIZED
If failure “ DF345” : Supply 5 volts potentiometers or sensor s” is
prese nt or memoriz ed, this must be treate d as most important.
Conditions for diagnostic appl ication to memorized failure:
Se t the contact on.
St art the engine, ensur e tha t state “ET030: Upstream oxygen se nsor
he a ting” is ACTI VE a nd w a it tha t sta te “ ET037 : Enr ic hing
adjustment ” is ACTIVE, t hen wait for 5 minutes.
* If the failure is memorized with OBD indicator on, check in the
context part, if state “ET285 : Upstream oxygen sensor circuit” corre-
s ponding to the OBD indicator lighting request is affirma tive. In this
case , proceed as per bellow mentioned method.
RE COMMENDATIONS
UPSTREAM OXYGEN SENSOR CIRCUIT
1.DEF : Open circuit or short-circuit
C heck the connection and condition of the oxygen sensor connector
Check if there is no water penetration in connector (a possible cause for engine unstable running)
R eplace the connector if necessary.
C heck for lack of tightening between the exhaust collector and catalyst
If the vehicle is running more in the city, perform a cleaning of the oxygen se nsor.
C onnect the 90 ways terminal box instead of the injection computer the n check the insulation,
continuity and absence of the parasite resistance on lines: Pin 45 injection computer > pi n C oxygen sensor
Pin 80 injection computer > pi n D oxygen sensor
Fi x if necessary.
If the proble m is persisting, replace the oxygen sensor.
If the problem is persisting after these checking, treat the other failures then perform the conformity
checking.
Perform the operations from ” recommendations” for reparation confirma tion.
Fi x any other possible failures
Erase the failures memoriz ed by the injection computer.
Pe rform a conformity checking by means of the CLIP tester.
AF
TER
REPARATION
Diagnostic – Failures interpretation
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IGNITION AND INJECTION
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If failure “DF345” : Supply 5 volts potentiometers or sensors” is present or
memorize d, this must be treated as most important.
Conditions for diagnostic appl ication to memorized failure:
- During road test, smooth driving, after an engine fan starting and state
“ET027: Enriching double loop” to be active.
- During road test, smooth driving, after an engine fan starting, immediately
followed by a deceleration (rising gradie nt) with sta te “ET003: Released
pedal valve pos ition” active, gearbox ratio engaged and clutched.
* If the failure is memoriz ed with OBD indicator on, check in the context
part, if state “ET287 : Downstream oxygen sensor circuit” corresponding
to the OBD indicator lighting request is affirmative. In this case , proceed
as per bellow mentioned method
C heck the connection and condition of the oxygen sensor connector
R eplace the connector if necessary.
C heck for lack of tightening on the routing between the two oxygen sensors.
If the vehicle is running more in the city, perform a cleaning of the oxygen sensor.
C onnect the 90 ways terminal box instead of the injection computer then c heck the insulation,
continuity and absence of the parasite resistance on lines: Pin 44 injection computer > pin C oxygen sensor
Pin 76 injection computer > pin D oxygen sensor
Fix if necessary.
If the proble m is persisting, replace the oxygen sensor.
If the problem is persisting after these checking, treat the other failures then perform the conformity
checking.
Perform the operations from ” recommendations” for reparation confirma tion.
Fix a ny other possible failures.
Erase the failures memoriz ed by the injection computer.
Perform a conformity checking by means of the CLIP tester.
AF
TER
REPARATION
Diagnostic – Failures interpretation
DF 058
P RESENT
OR
ME MO RIZEDDOWNSTREAM OXYGEN SENSOR CIRCUIT
1.DEF : Open circuit or short-circuit
RE CO MME NDAT I O N S
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IGNITION AND INJECTION
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Conditions for diagnostic appl ication to memorized failure:
Set t he contact on.
* If the failure is memorized with OBD indicator on, check in the context
part, if state “ET255 : Idling adjustment circuit” corresponding to the
OBD indicator lighting request is affirmative. In this case , proceed as
per bellow mentioned method.
RE CO MM ENDATIONS
After repairing the step-by-step engine for idling adjustment, it may possible
that engine is not starting; in this situation, the “learning” stage of the adaptive
values by the injection computer must be again pe rformed (se e c hapter “
Enriching adaptive correction”).
Fi x any other possible failures then perform a conformity checking by means of
t he CLIP tester.
AF
TER
REPARATION
DF 060
P RESENT
OR
ME MO RIZEDIDLING ADJUSTMENT CIRCUIT
1.DEF : Open circuit or short-circuit
CO : Open circuit
CC. O : Short-circuit at mass
CC.1 : S hort-circuit at +12 volts
Check the connection and condition of the step-by-step engine connector for idling adjustment
R eplace the connector if necessary.
C heck the resistance of the step-by-step engine for idling adjustment. Refer to chapter “Help” in
order to compare the measur ed resistance values with the recommended ones.
R eplace the step-by-step e ngine valves if necessa ry.
C heck the insu lation, continuity and absence of the p arasite resistance on lines:
Pin 12 injection computer > pin B step-by-step engine for idling adjustment
Pin 41 injection computer > pin A step-by-step engine for idling adjustment
Pin 42 injection computer > pin C step-by-step engine for idling adjustment
Pin 72 injection computer > pin D step-by-step engine for idling adjustment
Fix if necessary.
If the problem is persisting after these checking, treat the other failures then perform the conformity
checking.
Diagnostic – Failures interpretation
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IGNITION AND INJECTION
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DF 061
P RESENT
OR
ME MO RIZEDCYLINDERS 1-4 IGNITION COIL CIRCUIT
1.DEF : Open circuit or short-circuit
CO : Open circuit
CC. O : Short-circuit at mass
CC.1 : S hort-circuit at +12 volts
Conditions for diagnostic appl ication to memorized failure:
Start t he e ngine a nd stop it immediately as the failure is oc curring as being
prese nt (risk for catalyst) or rota te de engine with the starter, without starting it,
for 10 seconds.
In case of failures addition, treat as most important, failure “ DF345 : Supply 5
volts potenti ometers or sensors “ and failure “DF261: Fuel pump relay circui t”,
if it is /they are present
* If the failure is memorized with OBD indicator on, check in the context part, if
st ate “ET282 : Ignition coil 1-4 circuit” corresponding to the OBD indicator
lighting request is affirmative. In this case , proceed as per bellow mentioned
met hod
C heck the connection and condition of the coil connector .
R eplace the connector if necessary.
C heck the resistance of the coil resistance of c ylinders 1-4. Refer to chapte r
“Help” in order to compare the measured resistance values with the recommended
one .
R eplace the coil if necessary.
Check the +12 Volts supply existence after fue l pump relay, at pin C of the coi l.
If it is necessary, apply the methodology for failure diagnostic “DF261”
C onnect the 90 ways terminal box instead of the injection computer the n check
t he insulation and continuity on line:
pin 32 injection computer > pin A ignition coil.
Fi x if necessary.
If the problem is persisting after the se checking, treat the other failures then
perform the conformity checking.
RECOMMENDATIONS
Pe rform the operations from ” recommendations” for reparation confirma tion.
Fi x any other possible failures
Erase the failures memoriz ed by the injection computer.
Pe rform a conformity checking by means of the CLIP tester.
AF
TER
REPARATION
Diagnostic – Failures interpretation
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IGNITION AND INJECTION
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Diagnostic – Failures interpretation
DF 062
P RESENT
OR
ME MO RIZED CYLINDERS 2-3 IGNITION COIL CIRCUIT
1.DEF : Open circuit or short-circuit
CO : Open circuit
CC. O : Short-circuit at mass
CC.1 : S hort-circuit at +12 volts
Conditions for diagnostic appl ication to memorized failure:
Start t he engine a nd stop it immediately as the failure is occurring as be ing
prese nt (risk for catalyst) or rota te de engine with the starter, without starting
it, for 10 seconds.
In case of failures addition, treat as most important, failure “ DF345 : Supply 5
volts potentiometers or sensors “ and f ailure “DF261: Fuel pump relay
circuit ”, if it is /they are present.
* If the failure is memorized with OBD indicator on, check in the context part, if
st ate “ET283 : Ignition coil 2-3 circuit” corresponding to the OBD indicator
lighting request is affirmative. In this case , proceed as per bellow me ntioned
met hod.
C heck the connection and condition of the coil connector .
R eplace the connector if necessary.
C heck the resistance of the coil resistance of c ylinders 2 and 3. Refer to
chapte r “ Help” in order to compare the measured resistance values with the
recommended one.
R eplace the coil if necessary.
Check the +12 Volts supply existence after fuel pump relay, at pin C of the
coil.
If it is necessary, apply the methodology for failure diagnostic “DF261”.
C onnect the 90 ways terminal box instead of the injection computer then check
t he insulation and continuity on line:
pin 1 injection computer > pin B ignition coil.
Fix if necessary..
If the problem is persisting after these checking, treat the other failures then
perform the conformity checking.
RECOMMENDATIONS
Pe rform the operations from ” recommendations” for reparation confirma tion.
Fi x any other possible failures.
Erase the failures memoriz ed by the injection computer.
Pe rform a conformity checking by means of the CLIP tester.
AF
TER
REPARATION
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IGNITION AND INJECTION
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RECOMMENDATIONS
Diagnostic – Failures interpretation
DF 109
DF 110
P RESENT
OR
ME MO RIZEDPOLLUTED COMBUSTION MISFIRE
DESTRUCTIVE COMBUSTION MISFIRE
St ate ET014 : Recognition of the cylinder 1 must be active, in order to
i dentify each cylinder.
ET093 : combustion misfire on cylinder 1
ET094 : combustion misfire on cylinder 2
ET095 : combustion misfire on cylinder 3
ET096 : combustion misfire on cylinder 4
These w ill provide information regarding failure cause and location.
In this situation, the problem is probably due to an element that can act
only on one cylinder:
- Problem at injector
A cylinder is declared - Problem at spark plug
damaged : ET093 or ET094 - Problem at high voltage cable.
or ET095 or ET096. Before replacement, try the spark plug or cable changing to anothe r
cylinder.
Cy linders 1 and 4 or In this cylinders 2 and 3 declared situation, the proble m is probably
damaged : ET093 and ET 0 96 due to an eleme nt that can act only this pair of cylinders:
or ET094 and ET095. - Problem at ignition coil, at the high voltage part. - Problem at ignition coil, at the control part
In this situation, the problem is probably due to an element tha t can
F our cylinders declared act only on all cylinders:
damaged : ET093 and -Problem at fuel filter
ET094 or ET095 and ET096. -Problem at fuel pump
-Problem on in use fuel type
-Problem of in use spark plugs
In case by using this method the problem is not solved, cons ult the fail ures diagnostic DF109 / DF
1 10 CONTINUA TION
Ensure that all failures are solved. Erase all memorized failures.
There is no need to erase the “adaptive values” memoriz ed by the injection computer.
In order to check the correct reparation of the system, the following conditions must be
AF TER accomplished:
REPARATION - No more electrical failures;
- All “adaptive values” to be memorized by the injection computer;
- Warm engine (minimum 75°C);
- Run at idling, all consumers being in use for 20 minutes (1 minute DF110);
- If the failure is again occurring, repeat the dia gnostic.
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Diagnostic – Failures interpretation
DF 109
DF 110
CONTINU AT I O N
ET093 : combustion misfire on cylinder 1
ET094 : combustion misfire on cylinder 2
RE COMMENDATIONSET0 95 : combustion misfire on cylinder 3
ET096 : combustion misfire on cylinder 4
These w ill provide information regarding failure cause and location.
C heck the ignition system ( refer to chapter “Help” ).
Fix it if necessary.
C heck the engine compression.
Fix it if necessary.
C heck the flywheel condition , in order to get a correct information of the engine RPM.
Fix it if necessary.
If no failure has been found, there is a problem on the fuel supply cir cuit.
In this situation the following must be checked:
- Fuel filter
-F uel pressure and flow
-F uel pump condition
-F uel tank cleaning condition]
-I njector s conditions
Mend the fuel supply circuit.
Ensure that all failures are solved. Erase the memorized failures.
There is no need to erase the “adaptive values” memorized by the injection
computer. In order to check the correct reparation of the system, the following
conditions must be accomplished:
AF TER - No more electrical failures.
REPARATION - All “adaptive values” to be memor ized by the injection computer.
- Warm engine (minimum 75°C)
- Run at idling, all consumers being in use for 20 minutes (1 minute
DF110).
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IGNITION AND INJECTION
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Va l ve potentiometer resistance Track = 1200 Ω ± 20 %
Slider = < 1050 Ω
Idling regulator resistance at 25°C= 53 Ω ± 10%
Ignition coil resistance Primary= 0.5 Ω ± 5 %
Se condary = 7200 Ω ± 10 %
Injector ’s resistance at – 40°C= 11.1 Ω
at 20C = 14.5 Ω ± 5%
at 120°C =20.6 Ω
Se nsor atmospheric pressure r esistance =50 kΩ
Upstream oxygen sensor heating resistance
For engines E7J-260-MA and E7 J-262 MB at 23°C = 6 ± 1Ω
Downstream oxygen sensor heating resistance for engines
E7J-260-MB, E7J-262-MB or upstream
for engine E7J-262-MB at 23°C= 3.3
+0.7 Ω
RPM sensor resistance at 23°C = 200 - 270 Ω
C anister purging valve resistance at 23°C = 26 Ω ± 7 %
Te m perature ( °C ) -40 -10 25 50 80 110 120
Air tempe ratur e se nsor 50000 9500 2051 810 309 135 105
Resist ance (ohms) ± 14 % ± 10 % ± 6 % ± 6 % ± 6 % ± 6 % ± 7 %
Water temperature sensor 75780 12460 2252 811 282 115 88
Resist ance (ohms) ± 9 % ± 9 % ± 5 % ± 5 % ± 3 % ± 2 % ± 2 %
Ignition system checking:
C heck the condition, insulation and continuity of the high voltage cables.
R eplace them if necessary.
C heck the condition and correct tightening of the ignition spark plugs and if the spark plugs are corresponding
with the recommended ones.
R eplace them if necessary.
C heck the condition of the ignition coil connectors.
Replace if necessa ry.
C heck the condition and the primary and secondary resistance values of the ignition coil.
R eplace if necessary
C heck the coils supply:
Pr esence of the +12 volts supply (contact set on).
C heck the ele ctric routing between the coil and the actuators relay.
M end if necessary.
Diagnostic – Help
-0. 3
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RECOMMEND AT IONS The values show n on this conformity checking are only as indication.
Performing conditions : St opped engine, contact set on.
Sequence Function Parameter / Controlled state or acti on Visualization Diagnostic
and Observations
1V oltage ET001 : after contact computer In case of a
PR004 : computer supplying voltage ACTIV Eproblem
c onsult
th e PR004
dia gnostic
LC012 : O2 sensor option reading With one wire or three wires
LC017 : Engine fan driving with running engine With (if the option
is existing)
LC019 : upstream oxygen sensor With
LC020 : downstream oxygen sensor With (if the option is existing)
2 Comp uter LC036 : low flow fuel pump configuration With (if the option Nothing to
is existing) be noticed
LC042 : AC cold loop at injection With (if the option is existing)
LC048 : climate control configuration reading With (if the option is existing)
LC054 : Gearbox type Mechanical gearbox
LC096 : Compres sor with fix cy linder capaci ty With (if the option
is existing)
Diagnostic – Conformity checking
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