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Mount the two attachment
screws (required tightening moment: 0.65 daNm) located under
the steering wheel, attaching the airbag pillow.
IMPORTANT
After remounting, che ck the system operation, by means of the CLIP tester. If
everything is correct, unblock UCE airbag (see “Unblocking UCE airbag”). If it is not
correct, see chapter “Diagnostic. Check if t he airbag i ndicator is l ighted when setting
contact on, it is remaining lighted for 3 seconds, then it is turning off and is remaining
off.
OBSERVAT ION:
UCE airbag may accept up to 4 airbag releasing (some elements are loosing their
n ominal characteristics). It is not necessary the systematic replacement after each airbag
r eleasing.
REMARK :
The driver airbag – new item number- is provided with a self-adhesive protective foil
stacked over the airbag connector. Unstacking of t he protection foi l is to be done
ONLY in the moment of m ounting.
Driver’s airbag
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30 PINS ADAPTER – B40
AT T E N T I O N !
In case of an intervention at the airbag
sy stem, it is obligatory t he UCE airbag
blocking by means of the CLIP tester in
order to avoid undesirable releasing (al l
relea sin g lines are inhibited). This
operation mode is signaled by the airbag
indicator lighting from the instrument
panel.
The adapter B40 i s to be connected on
line instead of UCE airbag.
This i s allowing, by m eans of the CLIP
tester, the control of all system lines, the
measurement of the UCE airbag supply
voltage a nd the compulsion of the airbag
indicator lighting from the instrument panel.
The termin als are allowing in the same time,
the perform i ng of t he c he cking of t he
diagnostic lines continuity, of the airbag
indicator from the instrument panel and of the
UC E air b ag supplying (see chapter “Diagnostic
”).
ATTENTION !
It is f o rbidd en the ai rbag system
measurement by means of an ohmmeter or
any other electric me asurement devices
b ecause there i s the risk of releasing due to
so me device working current. (see chapter
“Diagnostic”). The airbag releasing lines are
to measured only by means of the CLIP
teste r.
IDEN TIFICATION OF THE EXIT
CABLES OF THE
B40 ADAPTER
1: Indicator and UCE airbag supply.
2 : Blank
A : Driver’s airbag lines
B : Passenger’s airbag lines
C: Passenger pre-tensioning lines
D: Driver’s pre-tensioning lines.
MEASUREMENT CABLES
- cables XRBAG type B32, B35.
- necessary cable for destroying the airbag.
IN ERT IGNITER 931066
It has the same e lectrical characteristics as a
real igniter and it has the purpose to replace the
airbag during the diagnostic
AT T E N T I ON!
Before using the inert igniter, check that
its resistance v alue is be tween 1.8 and 2.5
¿
.
It is necessary to set the contact off t hen set
the contact on, for airbag i ndicator turning off
immediately after failure m emory ha s been
erased.
Airbag – Special devices
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wrapper.
APPLICATION CONDITIONS OF THE CHECKING DEFINED
AT DIAGNOSTIC
Each failure is interpreted for a specific memorizing type (present failure, memorized failure,
memorized or present failure).
The defined checking for each failure tracing is not to be applied unless the failure is interpreted
for the failure type declared by the CLIP tester.
If a failure is not interpreted in diagnostic or it is declared “present”, the diagnostic application
when the failure is only “memorized” will not allow the location of the memorizing origin of that
failure.
In this case, only a wiring and respective element connector checking must be performed (it
is recommended the wiring movement in order to try the passing visualization from state
“memorized failure” to state “present failure”).
If a failure is interpreted when it is declared “memorized”, the confirmation conditions of the
failure real presence (and the necessity of diagnostic application) are to be found at
”Recommendations” or at the beginning of the failure interpretation.
REMARK:
Before releasing diagnostic, the cont act must be off.
AT T E N T I O N !
Before any intervention at t he airbag system, i t i s obligatory t he UCE airbag blocking
by means of the CLIP tester, using the control “Computer blocking”. The confirmation
of this cont rol perform ing will be visual ized by permane nt lighting of the airbag
indicator from instrument panel and t he releasing line will be blocked, av oiding i n
this way the undesirable releasing of t he airbag during the intervention.
AT T E N T I O N !
〈〈〈〈If
the intervention is taking place after the vehicle has suffered a collision followed
by the driver’s airbag releasing, UCE airbag blocking is possible only after performing
its unblocking control performing.
〈〈 〈〈Further to a shock causing the airbag releasing, the erasing of the memorized
failures it is possible only after dat a reading from “Imp act context”, followed by
“Computer unblocking” control.
〈〈 〈〈The electrical measurements on the airbag releasing l ine are t o be pe rformed
only by using the function “ Airbag beam t ests” of the CL IP tester. It is strictly forbidden
the use in this purpose of the ohmmeter type measurement devices.
〈〈 〈〈Before using the inert igniter, check that its resistance is between 1.8 – 2.5 ¿.
〈〈〈〈Ensure that during intervention, the computer supply voltage is not less than
10 V.
Airbag diagnostic – General
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Diagnostic – Failure interpretation
DF003 DRIVER’S AIRBAG CIRCUIT
PRESENT CC : shortcircuit CO : open circuit
CC.1 : shortcircuit at + 12 volts
CC.0 : shortcircuit at mass
RECOMMENDATIONSCharacteristics: the measurement of the airbag releasing line is to be
performed only by means of the CLIP tester.
Use 30 pins adapter B40 for the intervention at the l evel of the
computer connector
CO - CC
RECOMMENDATIONSNothing to notice
Set t he contact on, then block the computer by means of the CLIP t ester (see “Blocking UCE
airbag”)
Set the contact off and dismount the two attachment screws of the airbag on the steering wheel.
Check the correct connection of the airbag.
Disconnect the airbag then connect the inert igniter instead of it.
S et the contact on and perform a checking by means of the CLIP tester.
Replace the airbag if the state “present failure” is becoming “memorized failure”
Turn the contact off ; conect then reconect the connector of the rotating contact of under steering
wheel control.
Only CLIP tester is to be used for measuring the resistance in point C2 of the airbag circuit.
If the resulted value is not correct, replace t he control under steering wheel.
Reconnect the rotating contact of the control under steering wheel, disconnect the computer
connector and connect in its place the 30 pins adapter B40.
Only CLIP tester is to be used for measuring the resistance of the driver’s airbag releasing line,
using cable A of the 30 pins adapter.
If the resulted value is not correct, check the correct connection of the 30 pins adapter (pins 10
and 11) and replace the front wiring if necessary.
If after performing these checking no failure has been noticed, check the presence of the 5 pegs
for shunt unblocking, at the 30 pins connector of UCE airbag. Check the condition of the 30
ways connector of the airbag wiring (the connector blocking system…).
AFT ER Connect UCE airbag and driver’s airbag then set the contact on.
INT ERVENT ION Erase by means of the CLIP tester the failures memorized by UCE
airbag, then turn the
contact off.
Pe rform again a checking by means of the CLIP tester ; in case of
failure absence, unblock the computer.
Destroy the airbag pillow, if you are replacing it (see “Destroying
procedure”)
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Diagnostic – Failure interpretation
DF003
PRESENT
CONTINUATION
CC.1 – CC.0
RECOMMENDATIONS Nothing to notice
Block the computer by means of the CLIP t ester (see “Blocking UCE a irbag”)
Set the contact off and dismount the two attachment screws of the airbag on the steering wheel.
Check the condition of the airbag releasing lines.
Only CLIP tester is to be used for measuring the isolation in point C2 of the airbag circuit (using
cable A of the 30 pins adapter).
If value resulted is not correct, replace the control under steering wheel.
Reconnect the rotating contact of the control under steering wheel, disconnect the computer
connector and connect in its place the 30 pins adapter B40.
Only CLIP tester is to be used for measuring the resistance of the driver’s airbag releasing line,
using cable A of the 30 pins adapter.
If value resulted is not correct, check the 30 pins connector (pins 10 and 11) and replace the
front wiring if necessary. AFT ER Connect UCE airbag and driver’s airbag then set the contact on.
INT ERVENT ION Erase by means of the CLIP tester the failures memorized by UCE
airbag, then turn the contact off.
Perform again a checking by means of the CLIP tester; in case of failure
absence, unblock the computer.
Destroy the airbag pillow, if you are replacing it (see “Destroying
procedure”)
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D
F010 AIRBAG DEFECTIVE INDICATOR CIRCUIT
PRESENT CC.1 : short-circuit at + 12 volts
CC.0 : open circuit or short-circuit a t mass
RECOMMENDATIONSCharacteristics: the measurement of the airbag releasing lines is to
be performed only by means of the CLIP tester.
Use 30 pins adapter B40 for the intervention at the l evel of the
computer connector (the gray connector of the 30 pins adapter).
CC.1
RECOMMENDATIONS Nothing to notice
Block the computer by means of the CLIP tester (see “ Blocking UCE airbag”)
Check the condition the airbag indicator from instrument panel.
Check insulation against 12 volts between: airbag indicator pin 7 of the 30 pins connector
C0.0
RECOMMENDATIONSNothing to notice
Indicator off after setting the contact on
Block the airbag computer by means of the CLIP tester (see “ Blocking UCE airbag”)
Check the condition the airbag indicator from instrument panel.
Check continuity between: airbag indicator pin 7 of the 30 pins connector
Check the supply with 12 volts of the airbag indicator.
If the performed checking did not evidence any failure, disconnect UCE airbag and connect
instead of it t he 30 pins adapter. Check only by means of the CLIP tester the operation of the
airbag indicator from instrument panel, using the gray connector of the adapter B40.
If the airbag indicator lighting is possible by means of the CLIP tester, replace UCE airbag (see
chapter <> for this intervention).
If airbag indicator lighting is not possible, perform again the checking previously described.
Indicator on after setti ng the contact on
Block the airbag computer by means of the CLIP tester (see “ Blocking UCE airbag”)
Disconnect UCE airbag connector and check the presence of the 5 pegs that are ensuring shunt
unblocking of the 30 pins connector of UCE airbag.
Ensure insulation against mass of the route: airbag indicator pin 7 of 30 pins connector
AFT ER Erase the failures memorized by UCE airbag, then turn the contact off.
INT ERVENT ION Perform again a checking by means of the CLIP tester; in case of failure
Diagnostic – Failure interpretation
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absence, unblock the computer.
D F016 COMPUTER CONFIGURATION
PRESENT
RECOMMENDATIONSCharacteristics: nothing to notice.
Diagnostic – Failure interpretation
The presence of this failure is correspo nding to an incoherence between the computer configuration
and the vehicle equipping, detected by the CLIP tester.
Modify the UCE airbag configuration by means of the CLIP tester, using the control “System
elements configuration”. AFT ER Erase the failures memorized by UCE airbag then turn the contact off.
INT ERVENT ION Perform again a checking by means of the CLIP tester; and in case of
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failure absence, unblock the computer.
DF034 BLOCKED COMPUTER
PRESENT 1. DEF : blocked further to a shock
2. DEF : blocked by m eans of CL IP t ester.
RECOMMENDATIONS Characteristics : nothing to notice
This failure is allowing visualization of the blocking state of the airbag computer.
When present, all releasing lines are inhibited, driver’s airbag releasing being not possible.
1. DEFRECOMMENDATIONS Nothing to notice
This failure is present after airbag releasing.
It is obligatory UCE airbag replacement and of the airbag pillow after shock producing
2. DEF RECOMMENDATIONS Nothing to notice
This failure is present in the following situation s:
- UCE airbag is new ( t his one is delivered blocked)
-I n case of an intervention on the vehicle, the computer blocking control is used, by
means of CLIP tester.
Unblocking : Perform again a checking by means of CLIP tester ; in case of failure absence,
unblock the computer.
Erase the memorized failure then turn t he contact off. AFTER Erase the failures memorized by UCE airbag, then turn the contact off.
IN TERVENTION Perform again a checking by means of the CLIP tester; in case of
failure absence, unblock the computer.
Diagnostic – Failure interpretation
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