OBD port DACIA SOLENZA 2004 Repair Manual

IGNITION AND INJECTION
17
17 - 32
DF014
P RESENT
OR
ME MO RIZEDCANISTER PURGING VALVE CIRCUIT
1.DEF : Open circuit or short-circuit
CO : Open circuit
CC.O : S hot circuit at mass
CC. 1 : Short circuit at + 12 V.
RECO MMENDATIONS
Conditions for diagnostic appl ication for memorized failure:
Se t the contact on or launch commend “AC016: Canister Purging Valve”
In ca se of failures additi on, treat as most important failure “DF009 actuators
relay control circuit ”.
* If the failure is memorized with OBD indicator on, check in the context part,
if state “ET117 : Canister purging control” corresponding to the OBD i ndicator
lighting request is affirma tive. In this case, proceed as per bellow mentioned
met hod.
C heck the connection and the connector state of the can ister purging valve .
C hange the connector if necessary.
C heck the resistance of the canister purging valve.
Repl ace the canister purging valve if is necessary.
C heck with the contact on, the presence of +12 Volts at pin 1 of the purging valve .
Fi x if necessary.
C onnect the 90 ways terminal box instead of the injection computer the n check the in s u la t ion and
the continuity of the l ine:
Pin 4 injection computer > pin 2 canister purging valve
Fix if necessary
Repl ace the canister purging valve if necessary.
If the problem is persisting after these checking, fix the other failures then perform the conformity
checking.
AFT ER
REPARATION Pe
rform the operations from “recommendations” for reparation confirmation.
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.
Diagnostic – Failures interpretation
vnx.su

IGNITION AND INJECTION
17
17 - 34
UPSTREAM OXYGEN SENSOR HEATING CIRCUIT
1DEF : Open circuit or short-circuit
CO : open circuit
CC.O : s hot circuit at mass
CC.1 : s hort circuit at + 12 V.

DF018
P RESENT
OR
MEMO RIZED
Conditions for diagnostic appl ication for memorized failure :
- Start the engine and ensure that state “ AC261: Upstream O2 sensor
heating” is ACTIVE.
- Or act upon the actua tor control “ AC261: upstream 02 sensor heating ”.
In case of failures addition, treat as most important failure “DF009 actuators
relay control circuit” .
* If the failure is memorized with OBD indicator on, check in the context part,
if state “ET117 : Cani ster purging control” corresponding to the OBD i nd icator
lighting request is affirmative. In this case, proceed as per bellow mentioned
met hod.
RECOMMENDATIONS
Perform the operations from “recommendations” for reparation confirmation.
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
C heck the connection and the connector state of the oxygen sensor.
C hange the connector if necessary.
C heck the heating resistance of the oxygen sensor. Refer to chapter ” Help” for res istance values .
Repl ace the sensor if necessary.
C heck the presence of +12 Volts on A way of the oxygen s ensor.
Fi x the electric connection between A way oxygen sensor and the actuators relay.
C onnect the 90 ways terminal box instead of the injection computer then check the insulati on, the
continuity and the abse nce of the parasite resistance on line: :
Pin 63 injection computer > pin B oxygen sensor
Fi x if necessary.
If the problem is persisting after these checking, fix the other failures then perform the conformity
checking.
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 - 40
DF 052
P RESENT
OR
ME MO RIZED
Perform 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
C heck the connection and condition of the injector 1 connector.
R eplace the connector if necessary.
C heck the injector resistance. Refer to chapte r “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 1.
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 59 injection computer > pin 2 injector 1
Fix if necessary.
If after these checking the problem is persisting, treat the other failures then perform the conformity
checking
RE COM M E ND AT IONS
Conditions for diagnostic appl
ication to memorized failure:
Start the engine and especially stop it immediately the failure is becoming
pres ent, so t hat catalyst-dama ging risk is avoide d.
In case of failures addition, treat as most important, fai lure “ DF009 act uators
relay control circuit”
* If the failure is memorized with OBD indicator on, check in the conte xt
part, if state “ET278 : Cylinder injector circuit” corresponding to the OBD
i ndicator lighting request is affirmative. In this case, proceed as per bellow
m entioned method.
Diagnostic – Failures interpretation
CYLINDER 1 INJECTOR CIRCUIT
1. DEF Open circuit or short-circuit
CO : open circuit
CC.O : shot circuit at mass
CC.1 : short circuit at + 12 V.
vnx.su

IGNITION AND INJECTION
17
17 - 41
Perform the operations from ” recommendations” for reparation confirmation.
Fix 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
DF 053
P RESENT
OR
ME MO RIZED
Check the connection and condition of the injector 2 connector.
R eplace the connector if necessary.
C heck the injector 2 resistance. Refer to chapte r “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 2.
Fix, if necessary the electric routing up to actua tors relay.
C onnect the 90 ways terminal box instead of the injection computer then check the in s u la t ion and
continuity on line :
pin 90 injection computer > pin 2 injector 2
Fi x if necessary.
If after these checking the problem is persisting, treat the other failures then perform the
conformity checking.
RE CO MMENDATIONS
Conditions for diagnostic appl ication to memorized failure:
St art the engine and especially stop it immediately the failure is becoming
pres ent, so th at catalyst-dama ging risk is avoide d.
In case of failures addition, treat as most important, failure “ DF009 act uators
relay control circuit”
* If the failure is memorized with OBD indicator on, check in the context part,
if state “ET279 : Cylinder 2 injector circuit” corresponding to the OBD
i ndicator lighting request is affirma tive. In this case, proceed as per bellow
m entioned method
Diagnostic – Failures interpretation
CYLINDER 2 INJECTOR CIRCUIT
1. DEF : Open circuit or short-circuit
CO : open circuit
CC.O : shot circuit at mass
CC.1 : short circuit at + 12 V.
vnx.su

IGNITION AND INJECTION
17
17 - 42
DF 054
P RESENT
OR
ME MO RIZEDCYLINDER 3 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.
RECOMMENDATIONS
Perform the operations from ” recommendations” for reparat ion confirmation
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
Conditions for diagnostic appl ication to memorized failure:
Start t he engine and especially stop it immediately the failure is becoming
presen t, so that catalyst-dama ging risk is avoide d.
In case of failures addition, treat as most important, failure “ DF009 actuators
relay control circuit”.
* If the failure is memorized with OBD indicator on, check in the context part,
if state “ET280 : Cylinder 3 injector circuit” corresponding to the OB D indicator
lighting request is affirma tive. In this case, proceed as per bellow me ntioned
met hod.
C heck the connection and condition of the injector 3 connector.
R eplace the connector if necessary.
C heck the injector 3 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 3.
Fix, if necessary the electric routing up to actua tors relay.
C onnect the 90 ways terminal box instead of the injection computer then check the in s u la t ion and
continuity on line:
pin 60 injection computer > pin 2 injector 3
Fi x if necessary.
If afte r these checking the problem is persisting, treat the other failures then perform the conformity
checking.
Diagnostic – Failures interpretation
vnx.su

IGNITION AND INJECTION
17
17 - 43
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
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