key DACIA SOLENZA 2004 Repair Manual

IGNITION AND INJECTION
17
17 - 9
ANTI-STARTING INDICATOR
When setting the contact on, UCE injection is receiving from UCE DECODER a code, whi
ch is compared
with the one previously memorized; if the two codes are matching, then the engine starting is author ized.
After contact setting on, anti-starting indicator which was previously blinking, will light for
three seconds then it will go off, confirming in this way, the key recognizing.
If the key is not good, after setting on the contact, the anti-starting indicator will start blinking
faster and the engine starting will be impossible.
OBSERVATION:
For details regarding the vehicle anti-starting system, see chapter 82 “Anti-starting system”.
AT T E N T I ON!
U CE injection c onnecting or disconnecting to t he vehicle’s wiring i s to be pe rformed
Injection system
only when the engine is stopped and t he contact off.
If the contact is on or the engine is running, do not loosen or disconnect the battery
terminal s. It is forbidden the battery replacement on t he vehicle i f the engine is running
or the contact on. Loosen or rusty contacts at battery terminals and imperfect connections at the
injection system wiring are not allowed. It is forbidden the engine starting with the battery connected to a charging / starting
unit. The battery recharging is t o be pe rformed only aft er disconnecting it from the vehicle
wiring and by means of a c harging unit with 12 V v oltage.
vnx.su

IGNITION AND INJECTION
17
17 - 18
At vehicles equipped with diagnostic system OBD (On Board Diagnostic), when detecting a
caus e leading to an excessive pollution, on the instrument panel the OBD indicator will be on,
indicating to the driver that vehicle must be repaired to eliminate the pollution cause.
The OB D system is taking into consideration during its operation of the performing the follow-
ing diagnostics: -electric diagnostics;
-c ombustion misfires diagnostics
-f unc tional diagnostic of the upstream oxygen sensor;
-c atalyst diagnostic.
El ectric and combustion misfires diagnostics are permanently performed.
Functional diagnostic of the upstream oxygen sensor and catalyst diagnostic are performed one
time only during one driving, subject to reaching the imposed values of the following parameters, in
or der to a.m. diagnostics commencement:
-water /air temperature conditions;
-v ehicle speed condition (evaluation field);
-e ngine parameters conditions (inlet manifold pressure, values fields and stability);
- starting timer.
OBD information management is completing classical electric failures management.
In orde r to meet this requirement, it is obligatory the OBD operation as per following way:
- lighting (or blinking for some failures) of the OBD indicator;
-memoriz ing of the OBD failures by UCE injection.
EFFEC TS ON DIAGNOSTIC AND REPARATIONS
During reparation of vehicles equipped with OBD system, a special attention will be given to
a void the OB D indicator lighting after reparations performing and returning the vehicle to the end-
user.
Certain failures can be noticed only during driving, this being the moment when the adaptive
values ar e ”learned ”, so: The reparation validation is obligatory imposed .
REMARK: all electric failures leading to pollution limit exceeding, will produce the OBD
indicator lighting.
ATTENTION: after each test performing, the contact setting on is imposed (key in M
position) before reading the res ults by means of the C LIP tester. Any contact sett ing off
be fore reading the test results, will lead to their wrong interpretation.
“On Board D iagnostic” system c haracteristics
vnx.su

IGNITION AND INJECTION
17
17 - 21
This diagnostic may detect:
-spark plug fouling or smoking,
-fou ling or modification from the normal value of the injectors flow,
-f uel supply system abnormalities (pressure controller, fuel pump,..)
-pr oblems with the electric connections for controlling fuel supply circuits and the injection.
Th e di ag nostic is performed by variations measurement of the engine prompt rotation speed.
Notice of a couple decrease is allowing the defective combustion recognition as failure cause.
Th is diagnostic is done almost permanently during driving. Non accomplishment of the diagnos-
tic or recognition of the existence of failure, is leading to other OBD diagnostics inhibition. This diagnostic is enabling the identification of two types of failures:
-de structive combustion misfires, which are causing the catalyst damage. These are gener-
ating the immediate blinking of the OBD indicator. -Polluting combustion misfires, leading to e xceeding a pre-established OBD pollution limit.
These ar e generating the permanent lighting of the OBD indicator, if the cause detection is
taken place during three consecutive running.
DE T ECT ION CONDITIONS
At the beginning, it must be checked if the “learning” stages of the adaptive values by the UCE
injection have been correctly performed. Also the preliminary conditions imposed when setting the
co ntact on and those from checking moment, must be accomplished.
Check by means of the CLIP tester if the bellow mentioned states are in the following configu-
ration:
ET0 14 Cylinder 1 recognition----------------------------------------------------------------- DONE
ET2 02 OBD diagnostic of combustion misfires taken into consideration--------------AC TIVE
Detection is accomplished after the water temperature is exceeding 75°C, at three rotation
steps, between idling and 4500 rot/min. It is also possible, test performing by maintaining the engine
at idling for a period of time of 11 minutes.
ATTENTION: after performing this test, the contact set ting on is imposed (key in M
position) before reading the r esults by means of the CLI P t ester. Any contact set ting off
be fore reading the test results, will lead to their wrong interpretation.
If after test performing, the CLIP tester is noticing the presence of the combustion mis-
f ires, refer to the diagnostic method related to this symptom.
CONFIRM ATION OF THE RE PARATION PE RFORM ING
-Check by m eans of the CLIP tester, the bellow states, which must have the following
c onfiguration:
ET0 14 Cylinder 1 recognition -------------------------------------------------------------------- DONE
ET2 02 OBD diagnostic of combustion misfires taken into consideration ----------------- AC TIVE
-N o failures is detected by the CLIP tester, and the OBD indicator must be off.
Diagnostic of combustion misfires detection
vnx.su

IGNITION AND INJECTION
17
17 - 22
The purpose of the catalyst diagnostic is the detection of the disturbances leading to exceeding
an OBD step due to HC pollution emissions.
Th e ca talyst storage capacity of the oxygen is the indicator of its condition. When the catalyst is
beginnin g to ”age”, the storage capacity of the oxygen is diminishing, in the same time with the
dimin ishing of the treatment capacity of the pollution gases.
IMPOSED CONDITIONS FOR DIAGNOSTIC STARTING
Th e ca talyst diagnostic can be not performed but after a certain time of engine operation and
on ly if the preliminary conditions, when setting the contact on, are accomplished and preserved:
-no electr ic failure
-c ylinder’s recognition performed
-n o detected combustion misfire.
-n on-performing of the catalyst diagnostic after contact setting on.
-correct performing of the “learnings” by the UCE injection.
-water temper ature to be over 75°C
Catalyst diagnostic
Engine Speed Regime Manifold pressure Stabilization period Time before authorization
(Km/h) (rot/min) (mbar) (s ec) (min)
E7J 63-130 1792-4000 430-739 1117
FAILURES DETECT ION
Th e diagnostic is to be performed on a stabilized range in the fifth gear, at the speed of 70 Km/h.
When the diagnostic starting conditions are accomplished, excitation peaks are applied, which is
le ad ing to th e oxygen bubbles sending to the catalyst. If the catalyst is good, it w ill absorb the
ox ygen and the tension of the downstream oxygen sensor will remain at an average value. If the
catalyst is used, it will reject the oxygen and the oxygen sensor will wrongly define the phenom-
en on. The oxygen sensor tension will fluctuate. If the failures is three consecutively times con-
firmed, th e OBD indicator would be on.
Th e test duration will be not exceeding 52 seconds.
ATTENTION: after performing this tes t, the contact s etting on is imposed (key in M
position) before reading the res ults by means of the C LIP tester. Any contact sett ing off
be fore reading the test results, will lead to their wrong interpretation.
If after test performing, the CLIP tester is noticing the presence of the combustion mis-
f ires, refer to the diagnostic method related to this symptom.
vnx.su

IGNITION AND INJECTION
17
17 - 24
FAILURES DETECT ION
Th is diagnostic is to be performed when driving in the fourth or fifth gear, at constant speed
(about 70 Km / h ) and for a period of minimum 60 seconds.
Oxygen sensor diagnostic
Engine Gearbox ratio Speed Maximum period
(Km/h) (sec)
E7J V63-130 52
For the accomplishment of this test, during all its running period, UCE injection is inhibiting the
co ntrol function of the canister purging valve. UCE injection will issue the recommendation
” O xyg en sensors diagnostic taken into consideration”.
ATTENTION: after performing this test, t he contact settin g on is imposed (key in M
position) before reading the res ults by means of the C LIP tester. Any contact sett ing off
be fore reading the test results, will lead to their wrong interpretation.
If after test performing, the CLIP tester is noticing a failure of the oxygen sensor, refer to
the diagnostic method related to this symptom.
RE PARATION PE RFORM ING CONFIR M ATION
Check by means of the CLIP tester, the bellow states, which must have the following configu-
ration:
- ET102: Sensors diagnostic taken into consideration ------------------------ AC TIVE
- ET1 06: Sensors diagnostic performed --------------------------------------- AC TIVE
-no cata lyst failure is detected by the CLIP tester and the OBD indicator is off.(mbar) .
vnx.su

19
19 - 16
COOLING - EXHAUST - TANK
FILLING CAP
Fuel tank
The fuel tank is having a filling cap, sealed-type, with key. The filling cap for unleaded fuel has
a filler whole incompatible with a c lassical filling gun (lead has a negative effect upon the de-
pollution system : oxygen sensor and catalyst).
In case of vehicle overturning, the anti-overturning valve is getting blocked, avoiding in this
wa y, the petrol leakage towards the carbon can.
vnx.su

INSIDE AND REAR LIGHTING
Inside and rear lighting .................................... 81-1
Ceili ng lamp ...................................................... 81-4
Bulbs ... ............................................................... 81-5
Lamps failures diagnostic ................................. 81-6
Cockpit fuse box ............................................... 81-8
UCE de co de r protection .................................. 81-10
ACCOUSTIC WARNING - ANTI STARTING
General .............................................................. 82-1
One key head replacement ............................... 82-5
Dismounting - remounting E.C.U. decoder ..... 82-6
Anti starting bushing replacement .................. 82-7
R. F. remote control for blocking/unlocking the
doors ................................................................... 82-8
Electric control unit injection replacement ..... 82-9
Acoustic warning ............................................... 82-10
Pr ocedures ......................................................... 82-12
Diagnostic .......................................................... 82-18
Diagnostic – General ........................................ 82-39
Diagnostic – Failures interpretation ............... 82-53
Diagnostic – Conformity checking ................... 82-55
Diagnostic – States interpretation ................... 82-57
Diagnostic - Damage location algorithm ........ 82-63
INSTRUMENT PANEL
Instrument panel without RPM meter ............ 83 -1
Instrument panel with RPM meter ................. 83 -2
connectors disposal ........................................... 83 -3
Pe rform functional instrument panel ............ 83 -4
Speed transducer .............................................. 83 -5
F uel level transmitter ........................................ 83 -6
Water te mperature sensor ................................ 83 -7
Diagnostic – damages interpretation .............. 83 -8
STEERING - CONNECTOR
Anti-theft mechanism ...................................... 84-1
Under steering wheel control .......................... 84-2
Re ar windows defrosting switch ..................... 84-6
Central locking switch ...................................... 84-7
Pa ssenger electric window sw itch ................... 84-8
Driver electric window switch ......................... 84-9
Hazard sw itch .................................................... 84-10
Electric lighter..........................................................84-11
WINDSCREEN WIPER
Drive mechanism ............................................. 85-1
Diagnostic ........................................................... 85-3 AUTO RADIO
General .............................................................. 86-1
T apes player ...................................................... 86-6 CD Pl
ayer .......................................................... 86-7
C onnectors ........................................................ 86-8
Roof antenna .................................................... 86-9
ELECTRICAL ASSISANCE EQUIPEMENT
Windscreen washing ......................................... 87-1
Re lays and UCE decoder asse mbly from
cockpit ............................................................... 87-2
Cockpit Central Unit ....................................... 87-4
Diagnostic – general ......................................... 87-6
Diagnostic – Failures interpretation ................ 87-11
Diagnostic - Conformity checking ................... 87-14
Diagnostic – States interpretation ................... 87-18
Diagnostic – Damage location algorithm ........ 87-26
WIRING
Airbag - general ................................................ 88-1
Airbag – Electronic control unit ..................... 88-2
Driver’s airbag .................................................. 88-6
Airbag – Special devic es ................................... 88-9
The airbag destroying procedure .................... 88-10
Airbag diagnostic – General ............................ 88-12
Diagnostic – Failure interpretation ................. 88-14
Diagnostic – Conformity checking .................. 88-20
Diagnostic – Help .............................................. 88-22
Diagnostic – Failure locating tree .................... 88-23
Fr ont door wiring protector ............................ 88-24
Re ar door wiring prote ctor .............................. 88-25
ELECTRIC DIAGRAMS
General .............................................................. 89 - 1
Functional diagrams list .................................. 89 - 6
F unctional diagrams list index ............................ 89 - 8
Connections lists - Mass list ............................. 89 - 9
Electric compone nts location on vehicle ......... 89 - 10
Ma ss attachments on vehic le ............................ 89 - 10
Electric compone nts location on the vehic le .... 89 - 11
Cockpit fuse box ................................................ 89 - 14
Fu se box from engine compartment ................ 89 - 16
Wires functions index in connectors and
couplings ........................................................... 89 - 18
Wires functions in connectors and
couplings ........................................................... 89 - 21
Wires functions explanation ............................ 89 - 9581
82
83
84
85
86
87
88
89
vnx.su

82
ACCOUSTIC WARNING - ANTI STARTING
82 - 1
This type of anti starting system is based on the key recognition, which has a special constructio n.
It may be separated in two elements which can be identified in the following way: the key head
(position A.) made of plastic, which c an be dismounted and the metal insertion (position B),
which is fixed and ensured by clipping in the key head.
In the key head, there is a coded independent electronic circuit, which is functioning without
battery. When setting the contact on, the anti starting bushing, placed around the starting contact,
is enquiring and catching the coded signal emitted by the key head, then sends it to the Electronic
Control Unit (E.C.U.) decoder. This one is attached on the front left pillar, under the lower casing
of the dashboard and has the function of receiving the code sent from the bushing. If the decoder
recognises the key code then it will send a coded signal to the injection computer, which compares
it with the previous memorised code and will authorise or not the engine starting In case of the system with ra dio frequency remote control (RF) of the doors blocking /
unlocking, the key head has a different construction, having an activation button of the remote
control and a red L ED, which i s lighted i n the moment of bl ocking/unlocking the doors, by
pushing the key button. Inside t he ke y head there i s the coded electroni c c ircuit for the anti
starting system and a printed electronic circuit, supplied by a battery, for the RF remote control
operation of blocking/unlocking the vehicle doors.
The anti starting system is activated after approximate 10 seconds from the breaking of the
contact and is visualised by the blinking of the anti starting indicator placed on the instrument
panel.
AT T E N T I O N !
If the battery is low charged, the tension drop on the starter, at starting, may cause
the activation of the anti starting system and the engine starting is impossible.
General
vnx.su

82
ACCOUSTIC WARNING - ANTI STARTING
82 - 2
THE KEY HEADS
The key he ad ha s marked i nside, a num ber of identification, form ed by 8 a lphanumeric
characters (letters and figures) and this one is mentioned on the vehicle’s purchasing invoice.
In case the reading of the code marked in the key head is necessary, this can be opened in the
following way :
- keep the key in horizontal position, the half with the metal insertion being downwards ;
- using a little screwdriver, act upon the key head in the direction indicated by the arrows (A
and B), in order to begin the dismounting;
- move carefully the upper side of the key in the direction indicated by the arrow (C) and then
the two parts of the key will separate.
If the repla cement of the metal insertion (the mechanical part) of the key is needed, proceed as
follows : - open the key head according to the a.m. procedure;
- un lock carefully the maintaining claw ( A) of the metal insertion ( B);
- re mo ve the metal insertion, by sliding, from the key head;
- introduce by sliding the new metal insertion until a « click » is heard, confirming its a ttachment
on the ke y head;
- close th e two half of the key head.
ATTENTION !
After dismounting the key head, it is forbidden to touch the electric circuit located inside
of it, as this can cause the further non-operation of the anti starting system and impose a
replacement of the key head.
A
BC
A
B
General
C
vnx.su

82
ACCOUSTIC WARNING - ANTI STARTING
82 - 3
The E.C.U. decoder has the following functions :
- deco ding the signal received from the anti starting
bushing; - send ing a code to the injection computer in order to
author ise the engine starting;
- c ontrolling the anti starting indic ator of the instrument
panel;
receiv ing the coded signal from the anti starting bearings,
for the vehicles equipped with RF remote control;
REMA RK :
In case both keys were lost, the code of the key head (8 characters) and the code of the
me tal insertion (4 characters) can be red from the vehicle-purchasing invoice. If also the
invoice was lost, the two mentioned codes can be found out based on the chassis s eries of that
vehicl e, acces sing the database of the DA C IA manufacture r, callin g the “C lient Voice”
department (phone 0248 500 000).
E.C.U. DECODER
General
- commandi ng the blocking/unlocking of the doors, if the vehicle is provided with RF remote
c ontrol keys;
- co mma nding the ceiling delayed light, for vehicles equipped with this system.
Th
e an ti starting bushing is located around the starting contact and is accessible after the
d ismounting the steering wheel’s half-cases. It catches the signal from the key head and then sends
a coded signal to the E.C.U. decoder.
The ve hicles equipped with RF remote control keys for blocking/ unlocking the doors are provided
with another anti starting bushing which transmits to the E.C.U. decoder also the signal received
from the RF remo te control.
Th e recognition of the two types of decoding bushings is performed by means of codes labelled
on their body, as follows : - code 04 2264J - for vehicles without RF remote control;
- code 8200 044257 - for vehicles with RF remote control. ANTI S TARTING BUSHING
vnx.su