Dacia Solenza (engine E7J). Service manual — part 43
IGNITION AND INJECTION
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PR004
COMPUTER
SUPPLYING VOLTAGE
RECOMMEN
DATIONS
No failure must be present or memorized.
No consumers
If voltage > Min, the battery is discharged :
Check that charging voltage is correct with and without consumers.
Under contact
If voltage > Max, the battery i
s, probably, too charged:
Check that charging voltage is correct with and without consumers.
If voltage < Min, the charging voltage is to weak :
Check that charging circuit in order to detect the origin of this problem.
At idling
If voltage > Max, t he char
ging voltage is too strong:
The alternator-charging regulator is damaged.
Fix this problem and check the electrolyte level in the battery.
If the battery
and the charging
The problem must be treated using the DF345 diagnostic method : Supply +5
circuit are
volts potentiometers and sensors
correct.
AFTER
Restart the conformity checking from the beginning.
REPARATION
Diagnostic – Parameters interpretation
IGNITION AND INJECTION
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Diagnostic – Parameters interpretation
PR017
VALVE POSITION
RECOMMENDATIONS
No failure must be present or memorized.
Limit memorizing of
Check that potentiometer mechanical limitter has not been
PR008 or non-detection
Check the acceleration control (friction, pedal ET005 obstacle,…).
of the released
acceleration pedal
ET003 or non-detecting
Check the valve potentiometer resistance.
of pressed
Replace the valve potentiometer, if necessary.
acceleration modified.
Check the insulation, continuity and the absence of the parasite
resistance of the connection between:
Pin 43 injection computer > pin C valve potentiometer
Pin 74 injection computer > pin B valve potentiometer
Pin 75 injection computer > pin A valve potentiometer
The valve position
Check that potentiometer is mechanically coupled to the valve.
is fixed (PR017)
If necessary, replace the transducer.
AFTER
Restart the conformity checking from the beginning.
REPARATION
IGNITION AND INJECTION
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PR030
ENRICHING
ADAPTATION IN OPERATION
PR031
ENRICHING
ADAPTATION AT IDLING
RECOMMENDATIONS No failure must be present or memorized.
Perform the steps for memorizing the adaptation values by the injection
computer.
Erase the computer memory. At warm, when idling adjustment, observe these parameters :
- If one of these parameters is moving towards the minimal limit, there is not sufficient petrol or there
is too much air.
- If one of these parameters is moving towards the minimal limit, there is too much petrol or there is
not sufficient air.
(See chapter “ Enriching adaptive correction) for the exact limit values)
Ensure the cleaning condition and the good operation of :
- fuel filter
- fuel pump
- fuel circuit
- fuel tank
- air supply piping
- air filter
- spark plugs
Check :
- Engine compressions
- Valves clearance
- Ignition
Diagnostic – Parameters interpretation
AFTER
Restart the conformity checking from the beginning.
REPARATION
IGNITION AND INJECTION
17
17 - 81
AC010
FUEL PUMP RELAY
RECOMMENDATIONS
No failure must be present or memorized.
Before perform this checking, check the lines correspondence on the
electric diagram adequate to that vehicle.
Check that choke sensor is in operating condition
Mend the choke sensor if necessary.
Check the continuity between ways 1 and 3 of the choke sensor.
If there is no continuity, replace the choke sensor.
Check, under starter operation, the presence of the +12 volts at way 3 of the choke sensor connector.
If there is no +12 volts, restore in function the line from way 3 of the choke sensor to pole 5 of the fuel
pump relay.
Check the wiring condition and the mass presence at the fuel pump.
Check the wiring insulation and continuity:
Way 3 choke sensor > fuel pump
Mend if necessary.
If the incident is persisting, replace the fuel pump.
Diagnostic – Parameters interpretation
AFTER
Restart the conformity checking from the beginning.
REPARATION
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