Dacia SuperNova (engine E7J). Manual - part 35

 

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Dacia SuperNova (engine E7J). Manual - part 35

 

 

 E7J-A-2/60 ENGINE

17

IGNITION AND INJECTION

17 - 50

DIAGNOSING-CONFORMITY TEST

LIST OF PARAMETERS

5.

Water tem-
perature sen-
sor

Parameter: water
temperature

X= 

Engine

temperature +/- 5

0

C

If further problems
arise, refer to the diag-
nosing of that parameter

Parameter: air temperature

Air tempera-
ture sensor

X= 

Temperature

under engine hood
+/- 5

0

C

If further problems arise,
refer to the diagnosing of
that parameter

6.

Pressure sen-
sor

Parameter: collector
pressure
Parameter: atmospheric
pressure

If further problems arise,
refer to the diagnosing of

     those parameters

X= 

Atmospheric

pressure

X= 

Atmospheric

pressure

7.

COMMAN D OF A CTUATO RS

8. Petrol pump Command: relay of petrol

pu

mp

Functioning of
petrol pump must

     be heard

If further problems arise,
refer to the diagnosing of

    that   command

Command: low speed cool-
ing ventilator

Command: high speed cool-
ing ventilator

Functioning of
low speed ventila-
tor must be heard
Functioning of
high speed venti-
lator must be
heard

If further problems arise,
refer to the diagnosing of

      that command

If further problems arise,
refer to the diagnosing of

      that command

Cooling
ventilator

If further problems arise,
refer to the diagnosing
for lack of conformity to
idle mode adjustment

Put hand under the
engine to feel its
functioning

Command: idle mode adjust-
ment engine

Step-by-step
engine

If further problems
arise, refer to the diag-
nosing defects along the
draining valve circuit

Valve must be
functional

Command: Canister draining
valve

Canister
draining
valve

9.

10.

11.

If further problems
arise, refer to the diag-
nosing of the states of air
conditioning

Compressor must
couple

Command: AC must be op-
erated through the board
switch

Air condi-
tioning (AC)

12.

Command: Water tempera-
ture alert light indicator on
board

Water tem-
perature alert
light indica-
tor

13.

 E7J-A-2/60 ENGINE

17

IGNITION AND INJECTION

17 - 51

DIAGNOSING-CONFORMITY TEST

SUGGESTIONS

B - With the hot  engine, in idle mode, without consumers

Battery voltage

LIST OF  STÃTES

State: +After Contact to calcu-
lator
Parameter: Supply voltage of
calculator
If the parameter: Supply volt-
age of calculator
Then the parameter: Engine
rotation ratio

Confirmed state

 13V<X<14.5V

            X<12.7
    750<X<850
        rot/min

If further prob-
lems arise, refer
to the diagnosing
of that param-
eter

Petrol pump com-
mand

State: Command of actuators’
relay

Confirmed state

Confirmed state

State: Petrol pump relay com-
mand

Command of ac-
tuators

If further prob-
lems arise, refer
to the diagnos-
ing of the rota-
tion signal infor-
mation defect

Confirmed state

State: Rotation signal

Rotation signal

If further
problems arise,
refer to the
“Diagnosing

 Conditions”

Confirmed state

State: Recognition of the 1
cylinder

 Recognition of the
1 cylinder

1.

2.

3.

4.

5.

Heating of oxygen
probe

State: Heating of oxygen
probe

Confirmed state

Clapper potenti-
ometer

State: Position of clapper of
acceleration pedal: free (raised)

Confirmed state

If further
problems arise,
refer to the
diagnosing of
that parameter

State: Idle mode adjustment
Parameter: engine rotation
Parameter: Tolerance of idle
mode regimen
Parameter: Idle mode RCO
Parameter: Idle mode RCO
adaptation.

Confirmed state

725 < X < 775 rot/min
-25 < X < +25 ro

t/min

5 % < X < 12 %

-3 % < X < 7 %

If further prob-
lems arise, refer
to the diagnos-
ing of that state

Idle mode adjust-
ment

6.

7.

8.

 E7J-A-2/60 ENGINE

17

IGNITION AND INJECTION

17 - 52

DIAGNOSING-CONFORMITY TEST

Pressure circuit

Parameter: Collector pres-
sure
Parameter: Atmospheric
pressure

290 < X < 370 mbar

X = A t m o s p h e r i c
pressure

I

f further problems

arise, refer to the
diagnosing of those
parameters

9.

Parameter: Detonation sig-
nal

30 < X < 70

If further problems
arise, refer to the
diagnosing of that
parameter

Anti-detonation
circuit

10.

LIST OF STÃTES

LIST OF PARAMETERS

Enrichment
adjustment

State: enrichment adjustment
Parameter: tension of oxygen
probe
Parameter: enrichment ad-
justment correction

Confirmed state
20mV<X<840 mV
0<X<255

   Average = 128

If further problems
arise, refer to the
diagnosing of that
state

State: Air-conditioning re-
quirement

State: Accelerated idle mode

State: AC compressor

Parameter: engine rotation ratio
Parameter: power absorbed
by AC compressor
State: Air-conditioning requirment
State: Accelerated idle mode
State: AC compressor

Parameter: engine rotation ratio
Parameter: power absorbed by
AC compressor

Confirmed state

Light indicator is on

when AC commands

coupling of compres-

sor

Confirmed state
Light indicator is on
when accelerated idle
mode is active
Confirmed state
Light indicator is on
when injection autho-
rizes coupling of com-
pressor

750<X<850 rot/min

   300<X<5000 W
Not confirmed state
Confirmed state
Not confirmed state
If the injection does
not authorize coupling
of compressor
750<X<850 rot/min

        X<250 W

Confirmed state

Ventilator must have

low rotation ratio

State: Low speed ventilator

If further problems
arise, refer to the
diagnosing of those
states

11.

12. Air-conditioning

(board-com-
manded AC)

 E7J-A-2/60 ENGINE

17

IGNITION AND INJECTION

17 - 53

DIAGNOSING-CONFORMITY TEST

Canister
draining valve

State: canister draining valve
Parameter: canister draining
valve RCO

Confirmed state detonation
X < 0,7 %
Canister draining not allowed
Draining valve stays shut

13.

G.M.V.

State: low speed ventilator
Parameter: water tempera-
ture

State: high speed ventilator
Parameter: water tempera-
ture

Not confirmed state
Ventilator must run when water
temperature is over 96

o

C

Confirmed state
Ventilator must run when water
temperature is over 102

o

C

SUGGESTION

C - During a route test.

LIST OF STATES

14.

Canister drain-
ing valve

Parameter: canister draining valve

Parameter: canister draining valve
RCO

Confirmed state

Canister draining is authorized

X > 0,7 % and has variations

1.

LIST OF PARAMETERS

   Speed

    translator

Parameter: Car speed

X = speed read on the gauge as
km/h

If further
problems
arise, refer to
the diagnosing
of that
parameter

2.

Detonation
   sensor

Car under load
Parameter: Detonation signal
Parameter: Anti-detonation cor-
rection

X is variable and different from 0

0<X<7

o

RAC

If further
problems
arise, refer to
the diagnosing
of that param-
eter

3.

 

 

 

 

 

 

 

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