WIRING
Airbags and seat belt pretensioners
88
IMPORTANT: The pyrotechnic systems (airbag
and pretensioners) must not be handled near a
heat source or flame; there is a risk of triggering.
NOTE: For these vehicles, the computer may be
locked using the XR25 and command G80* (ISO
selector on S8 code D49) during the operation.
When this function is active, all the trigger lines
are inhibited, the airbag warning light on the ins-
trument panel and bargraph 14 LH on the XR25 il-
luminate (new computers are supplied in this
condition).
After the operation, carry out a check using the
XR25.
If everything is correct, unlock the computer using
command G81*.
13064S
REMOVAL
The dashboard must be removed to remove the
passenger airbag module (see "Removing -
refitting the dashboard", section 83).
Then remove the airbag module (four nuts).
IMPORTANT : When the passenger airbag module
is triggered, the damage to its mountings means
that the dashboard must be renewed.
IMPORTANT : before scrapping a non-triggered
airbag it
MUST be destroyed in accordance with
the method for destruction of the driver’s airbag
(see section "Destruction procedure": destruction
of part removed from the vehicle).
Accessibility of passenger airbag ignition mo-
dules for fault finding
The dashboard must be removed to reach the pas-
senger airbag ignition modules.
IMPORTANT : The ignition module must be
checked using the XRBAG as indicated in the
"Fault finding" section.
REPLACING THE PASSENGER AIRBAG MODULE
88-25
WIRING
Airbags and seat belt pretensioners
88
REFITTING
IMPORTANT: The following safety advice MUST
be followed when refitting or replacing a passen-
ger airbag module. If these instructions are not
followed the system may not operate normally
and could even cause a risk for the vehicle occu-
pants.
IMPORTANT :
Refitting is the reverse of removal. The tightening
torque of the 4 module mounting bolts
(0.6 daN.m)
MUST be observed.
• Renew the "System tamperproof " label with a
blue After Sales label sold in kit Part Number
77 01 205 356 for all types.
• Remember to remove all foreign bodies (bolts,
clips) when fitting the airbag.
IMPORTANT :
Before reconnecting the passenger airbag module
and refitting the dashboard, the system wiring
must be checked.
Fit a dummy ignition module (Elé. 1288) to the
passenger airbag module connector.
Connect the 30 track adapter of the XRBAG to the
orange 30 track connector on the computer
wiring.
After supplying power to the XRBAG (battery),
connect the white 2 track measuring connector to
wiring (C) of the adapter, and the measurement
should be between 1.8 and 4.6 Ω.
If the measurements are correct:
• Disconnect the dummy ignition module.
• Connect the wiring to the passenger airbag
ignition module (by offering up the dashboard)
and connect the white 2 track measuring
connector of the XRBAG once more to wiring
(C) of the adapter, and the measurement
should be between 1.8 and 4.6 Ω.
If the measurements are correct:
• Refit the dashboard.
• Use the XR25 to check no faults are present in
the system.
• Unlock the computer using command G81*.
• Check that the airbag warning light illuminates
for 3 seconds when the ignition is switched on
then extinguishes and remains extinguished.
If the warning light does not operate as described
above, or the values measured are incorrect, refer
to the "Fault finding" section.
PRD99498
88-26
