Page 30 of 891

ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 5
Power train group
Sw ing over the steeri ng knuckle and
extract the pl anetary t ransmission from the
planetary pinion of the gearbox. Dismount  the left planetary  transmission,
as follows: - dismount the steering knuckle nut;
- dismount the planetary transmission
attachment  screws on the gearbox;
- dismount the brake calliper assembly ;
- dismount the shock absorber two
attachment  screws on steering knuckle;
- swing over the steering knuckle and
dismount the planetary transmission. Dismount t he fuse box from the engine
compartment.
5
6
- collar ( 2) between the descending
tube and expansion chamber,  remove  the
descending tube; -anti-roll connecting rod.
Di sconnect the re verse dri ving contact
connector. Disenga ge the right planetary transmission,
as follows:
-dismount the brake calliper assembly ;
- dismount t he shock absorber t wo
attachment  screw (4) on steering knuckle. Disconnect:
- connector (5 ) from the UCE (pull flap
(6) and then disengage); - engine wiring from engine fuse box;
4
- shock sensor connector;
- cooling engine fan connector;
- DA pressure sensor connector;
- mass wire from the gearbox
Dismount  the battery  protection shield.
Disconnect  by means of the elastic  clips pliers
MOT.1202-01 :
- hoses from radiator;
- hoses from thermostat  support and from
water pump inlet pipe;
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        Page 82 of 891

 MOTEUR  E7J-26213
FUEL SUPPLY
13 - 3
Pump  capacity
1
PUMP CAPACITY  CHECKING
SPECIAL TOOLS
Pliers for “CLICK” collars.
IMPORTANT
Duri ng this operation, it is obligatory :
- not - sm oki ng a nd not  bri ngi ng
incandescent obj ects at  the working pl ace; - protect against petrol splashing due
to residual pressure remained in piping
during their dismounting.
VEHICLES WITH FUEL  RETURN
The checking of  the fuel pump capacity is
recommended to  be performed by t he fue l
return hose connected on the level transmitter -
pump assembly .
Disconnect the fuel return pipe ( 1).
Connect on the pipe a hose, one extremity
being introduced  in a calibrated vessel,  from 0
to 2000 ml. VE HIC
LES WITHOUT FUEL
RETURN
Disconnect the supply pipe from the fuel
electric pump  assembly .
Connect on  the pipe a  hose, one  extremity
being introduced in a calibrated vessel  from 0
to 2000 ml.
Start the fuel electric  pump by bridging the
3 and  5 terminals of the fuel pump  H relay
(placed  in  the  fuse and  relays box  from engine
compartment).
The pump  output must be minimum  1.3 l /
min at 12 V.
If  the output is not correct, check the pump
s upply voltage (capacity i s decreasing by
approximate  10% for a voltage drop of  1 V).
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        Page 83 of 891
 MOTEUR  E7J-26213
FUEL SUPPLY
13 - 4
Supply  pressure
MOT.  13 11 -0 6
MOT 1311 -04
MOT 1311 -01
SUPPLY PRESSURE  CHECKING
 SPECIAL TOOLS
MOT 13 11 – 01 Petrol pre ssure
checki ng ki t
MOT 13 11 – 04 J - connection
MOT 13 11 – 06 Device for
conn ection s
dismounting.
AT T E N T I O N  !
When opening the fuel  circuit, protect
by means of a gauze piece against petrol
s plashing due  to  residual pressure  from
the supply circuit.
Dismount  the air filter.
Disconnect  the fuel supply  hose.
Connect the  MOT 1311-04  device on  the
ramp, and then reconnect the fuel supply
piping to the connection.
Mount the manometer  0 ÷ 10 bar and
the flexible hose  MOT 1311  –  01.Bridge the terminals 
3 and 5 of the fuel pump
relay  H, placed in the fuse and relays box.
The measured pressure must be  3.5 bars.
Fo r vehicles with fuel circuit without return
(controller mounted on pump), the pressure is
constant.
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        Page 99 of 891
IGNITION AND  INJECTION
17
17 - 5
ELEMENTS LOCATION
1. RPM sensor ( tightening moment : 0.8 daNm);
2. Water temperature sensor (tightening  moment:  2.5  daNm);
3. Atmospheric pressure  sensor;
4. Step-by-step engine for idling adjustment;
6. Air temperature sensor;
7. UCE injection;
8. Choke sensor;
9. Fuse and relays box;
10. Air filter;
11 .D etonation sensor (tightening  moment:  2.5  daNm);
12. Oxygen sensor (tightening moment: 4.5 daNm);
13. Ignition coil;
14. Carbon canister with purging valve included;
15. Power steering  pressure controller(tightening  moment:  1.2  daNm);
16. Air conditioning  pressure controller (tightening  moment:  0.8  daNm).
Injection system
  13  10    11   5   4   6   3  2  1   8         9
     14   1 6     15           12        7
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        Page 101 of 891
IGNITION AND  INJECTION
17
17 - 7
Injection system
In  the fuse box  located in the engine compartment, the following relays may be identified:
A. Co mpressor relay
B. Engine c ooling fan relay,  step I
C.  Engine cooling fan relay, step II
D. UCE injection relay, canister-purging valve
E. Fog projectors relay
H. Fuel pump and ignition  coil relay
14. C arbon canister with purging valve
included
;
16. 
Power steering  pressure controller; 12. 
Oxygen sensor;
15. 
A ir conditioning pressure controller.
1
15
12
1614
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        Page 130 of 891

IGNITION AND  INJECTION
17
17 - 36
DF 032
P RESENT
OR
ME MO RIZEDWATER TEMPERATURE WARNING CIRCUIT
1D EF  :  Open circuit or short-cir cuit
CO            : open circuit
CC.O        : short-circuit at mass
CC.1         : shot-circuit at + 12 volts
RECO MMENDATI O N S
Conditions for diagnostic appl ication for memorized failure :
St art the engine and maintain it at over 1500 rot/min until engine fun
st arting or  act  upon  control  AC212: Water  temperatu re warning indicator.
Check  the connection and the condition of the connector on the line over-heating indicator .
Re place the connector  if necessary.
C heck the  indicator condition ( if by chance this is on)
Re place it if necessary.
C heck if there is  +12V at indi cator.
Fi x if necessary, the supply electric routing between the  water temperature warning indicator  and
t he corresponding fuse.
C onnect the 90 ways terminal box and check the  insulation and continuity on pin 9 line of the
in jection compute r.
Fi x if  necessary.
If the  failure is persisting after this check, refer to Instrument panel diagnostic.
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.
Diagnostic – Failures interpretation
AF TER
REPARATION
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        Page 149 of 891
IGNITION AND  INJECTION
17
17 - 55
Diagnostic – Failures interpretation
DF 120OBD INDICATOR CIRCUIT
P RESENT 1.  DEF :  Open circuit or short-circuit
OR CO : open circuit
ME MO RIZED CC.O : shot circuit at mass
CC.1  : short circuit at + 12 V.
Apply the diagnostic in suc h way so that failure is prese nt or memo
rized.
RE COMMENDATIONSConditions for diagnostic appl ication at memorized failure:
- Actuator control launching  AC 213 : OBD Indicator
C heck the  insu lation, continuity and absence of the parasite resistance  on way 34 of the
injection  computer.
M end if necessary.
Ensure the  presence of + 12volts at OBD indicator
C heck the  cockpit fuse box, related to instrument panel supplying.
Replace it if necessary.
Perform the operations from ” recommendations” for reparation confir mation
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.
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        Page 178 of 891

IGNITION AND  INJECTION
17
17 - 84
ALP 1  IMPOSSI BILITY OF COMMUNICA TION UCE INJECTION   CLIP TESTER
RECOMMEND AT IONS Nothing to be noticed
Ens ure t hat  not  the  CLIP  t ester  is the  cause of  the f ailure, by trying to c ommunicate with the
computer of anothe r vehicle.
C heck connection between CLIP te ster and the vehicle  diagnostic soc ket (cable condition).
C heck the  condition of the injection fuse s, engine and cockpit.
M end if necessary.
C heck the  presence of the  supply  +12 V at pin  16 and of the  mass at pins 4 and  5 of the dia gnostic
device socket.
M end if necessary.
C onnect the 90 ways terminal box instead of the computer and check the insulation, continuity
and abse nce of  the parasite resistance of the  connections between: pin 28 injection computer      >    mass
pi n 33 injection computer       >  mas s
pi n 3 injection computer        >    mass
pi n 56 injection computer      >   p in 7 diagnostic socket
pi n 26 injection computer       >  p in 15 diagnostic socket
pi n 29 injection computer      >    fuse
pi n 30 injection computer       >   fuse
M end if necessary.
Fa ilure locating algorithm
AFTER Perform a checking by means of the CLI P tester.
REPARATION
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