sensor DACIA SOLENZA 2004 Owner's Guide

IGNITION AND INJECTION
17
17 - 37
DF038
P RESENT
OR
ME MO RIZEDDOWNSTREAM OXYGEN SENSOR HEATING CIRCUIT
1DEF : Open circuit or short-circuit
CO : open circuit
CC.O : shot circuit at mass
CC.1 : short circuit at + 12 V.
Perform the operations from “recommendations” for repara tion confirmation.
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
Conditions for diagnostic appl ication for memorized failure :
- Start the engine and ensure tha t state “ ET03: downstream O2 sensor
h eating” is active wait for an engine fan starting, and then perform a slight
acceleration for one minute.
- Or act upon the actuator control “ AC262: downstream O2 sensor heating ”
* If the failure is memorized with OBD indicator on, check in the context part,
if state “ET288 : Downstream oxygen se nsor heating circuit” corresponding
to the OBD indicator lighting request is affirmative. In this case, proceed as
per bellow mentioned method.
RE COM M E NDAT IONS
C
heck the connection and the connector state of the oxygen sensor.
C hange the connector if necessa ry.
C heck the heating resistance of th e oxygen sensor.
Refer to chapter ” Help” in order to compare the resistance-meas ured value with the recommend ed
one.
R eplace the sensor if necessary.
C heck the presence of +12 Volts on A pin of the oxygen sensor.
Fi x the ele ctric connection between oxygen sensor and the actuators relay, if necessa ry
C onnect the 90 ways terminal box instead of the injection computer then check the insula tion and
continuity on line: :
Pin 65 injection computer > pin B oxygen sensor
Fix if necessary
If the proble m is persisting after these checking, fix the other failures then perform the conformity
checking.
Diagnostic – Failures interpretation
vnx.su

IGNITION AND INJECTION
17
17 - 39
DF 045
P RESENT
OR
ME MO RIZEDATMOSPHERIC PRESSURE SENSOR CIRCUIT
1 . DEF : Open circuit or short-circuit
2 DEF : Pressure evolution in manifold
P erform the operations from ” recommendations” for reparation confir mation
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
If failure is present only when engine is running, check with the contact set on, the valve
position parameter coherence for: release acceleration pedal and maximum presse d pedal.
Easy push the accele ration pedal (from release d pedal t ill maximum acceleration) and check that
valve position is regularly increasing.
If a.m. are not observed, the inf ormation is not conform. In such case , treat the diagnostic of this
parameter.
C heck the connector condition of the atmospheric pressure se nsor.
R eplace the connector if necessary.
C heck tha t pressure se nsor is correctly connected from pneuma tic point of view.
C heck the pressure sensor resistance. Refer to chapter “Help” in order to compa re the values of
th e measured resistance with the recommended ones.
R eplace the pressure sensor if necessa ry.
C onnect the 90 ways terminal box instead of the injection computer then check the insulation,
continuity and absence of the parasite resistance on lines: Pin 16 injection computer > pin B atmospheric pressure sensor
Pin 15 injection computer > pin A atmospheric pressure sensor
Pin 78 injection computer > pin C atmospheric pressure sensor
Fi x if necessary.
If the problem is not solved, use the recommended me thod for DF345 failure.
RE CO MMENDATIONS
If failure “DF345”: Supply 5 volts potentiometers or sensors” is prese nt or
memorize d, this must be treated as most important.
C onditions for diagnostic application to memorized failure:
Set t he contact off and wait until the communication CLIP tester-computer
is lost. Set the contact on again, and then enter in dialog with the computer.
If it is necessa ry, start the engine and accelerate to over 608 rot/min for a
period of minimum 10 seconds.
* If the failure is memorized with OBD indicator on, check in the context
part, if state “ET277 : Atmospheric pressur e sensor circuit” corresponding
to the OBD indicator lighting request is affirmative. In this case, proceed as
per bellow mentioned method
Diagnostic – Failures interpretation
vnx.su

IGNITION AND INJECTION
17
17 - 44
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
vnx.su

IGNITION AND INJECTION
17
17 - 45
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
vnx.su

IGNITION AND INJECTION
17
17 - 47
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
vnx.su

IGNITION AND INJECTION
17
17 - 48
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
vnx.su

IGNITION AND INJECTION
17
17 - 50
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
vnx.su

IGNITION AND INJECTION
17
17 - 51
DF 106
P RESENT
OR
ME MO RIZED
RECOMMENDATIONS
Note any other functional failures.
Fix a ny other possible failures.AFTER
REPARATION
Apply this diagnostic if the failure is prese nt or memorized.
CATALYST FUNCTIONAL FAILURE
It shows an inc oherent information receive d before and after catalyst by
me ans of the two oxygen sensors.
Ch eck for leakage on exhaust line.
Fi x it if necessary.
Pe rform a visual checking of the catalyst condition. O deforma tion may be the explanation for its
non-operation.
Ch eck if the catalyst has not previously suffered therma l shocks.
If cold wate r is getting on a warm catalyst it may cause its damaging.
Ch eck for oil or cooling fluid excessive consumption Ask the client if he has used an additive or a
sim ilar product. This type of product may inhibit the catalyst and render it inefficient on short or
l ong term.
Ch eck if there was any combustion misfires. These may damage the catalyst.
Ch eck during a drive test for any noises during running.
If the damaging cause has been found, you may replace the catalyst. If you replace the catalyst
without det ecting the cause, the new catalyst may be damaged al so very qui ckly.
Diagnostic – Failures interpretation
vnx.su

IGNITION AND INJECTION
17
17 - 56
Diagnostic – Failures interpretation
DF 261 FUEL PUMP RELAY CIRCUIT
P RESENT 1. DEF Supply failure + after relay
OR 2. DEF Open circuit or short-circuit
ME MO RIZED
If failure “DF345 : Supply 5 volts potentiometers and sensor s” is
present or memori zed, it must be treated as most important .
Conditions for diagnostic appl ication at memorized failure:
Se t the contact on, then enter in dia logue with the computer
Or activation of the actua tor control “ AC 010 : Fuel pump relay”.
RECOMMEND ATIONS REMARK : This failure is most important. So it must be treated before
t he next ones.
* If the failure is memorized with OBD indicator on, check in the context
part, if state “ET241 : Fuel pump control cir cuit” corresponding to the
OBD indicator lighting request is affir mative. In this case , proceed as
per bellow mentioned method
1. DEF RECOM MENDAT IONS It is a failure on the power circuit of the fuel
pump relay.
C heck the electric continuity f the idleness contact.
Me nd if necessary.
C heck the connection and con dition of the fuel pump relay connector .
R eplace the connector if necessary.
C heck the presence of the +12 volts supply at pole 3 of the fuel pump relay
Me nd if necessary.
C heck with the contact set on a nd acting the actuator c ontrol “AC010 : Fuel pump relay”, the
prese nce of +12 V supply at pole 5 of the fuel pump relay.
R eplace the relay if necessa ry
C heck the insu lation and cont inuity of the connections between:
Pole 5 fuel pump relay > pi n C ignition coil
Pole 5 fuel pump relay > fuel pump
Me nd if necessary.
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.
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.
vnx.su

IGNITION AND INJECTION
17
17 - 59
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
vnx.su