Dacia Solenza 2004, Repair Manual

Page: 127 / 891

IGNITION AND INJECTION
17
17 - 33
RECOMMENDATIONS
In order to perform this diagnostic, the pressure sensor must be not in
failure.
Conditions for diagnostic application for memorized failure :
Set the contact off and wait until the communication computer-CLIP tester
is lost.
Set the contact on, enter in dialog with the computer and erase the memorized
failures. Act upon the starter for 10 seconds or make the engine idle running.
* If the failure is memorized with OBD indicator on, check in the context
part, if state “ET276 : Engine flywheel tooting damage” corresponding to
the OBD indicator lighting request is affirmative. In this case, proceed as
per bellow mentioned method.
AFTER
REPARATION
RPM SIGNAL INFORM ATION
1. DEF : Engine flywheel tooting damage
2. DEF: tooth signal absence
Check the connection and the condition of the RPM sensor connector
Replace the connector if necessary.
Check the cleaning state and the correct attachment of the RPM sensor
Fix if necessary.
Check the resistance of the RPM sensor.
Replace the RPM sensor if necessary.
Connect the 90 ways terminal box instead of the injection computer then check the insulation,
continuity and absence of the parasite resistance on lines:
Pin 54 injection computer > pin A RPM sensor
Pin 24 injection computer > pin B RPM sensor
Fix if necessary.
If 1. DEF is occurring, check the
engine flywheel condition.
If the problem is persisting after these checking, fix the other failures then perform the conformity
checking.
Diagnostic – Failures interpretation
DF017
PRESENT
OR
MEMORIZED
Check that state “ET202: Diagnostic OBD combustion misfires taken into
consideration”, is ACTIVE. Contrary, it is necessary, the re-activation of “learning”
the RPM signal by the injection computer.
Fix the others possible failures and then perform the conformity checking.
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