AFTER REPAIR
1AB8651.0
Reconnect the computer and the passenger air bag ignition module, then switch
on the ignition. Erase the computer memory then switch off the ignition.Carry out
a check using the fault finding tool and, in the absence of a fault, unlock the
computer.Destroy the passenger air bag module if there has been a replacement
(tool Elé. 1287).
Passenger’s front air bag circuit
CC : Short circuit
CO : Open circuit
CC.1 : Short circuit to 12 volts
CC.0 : Short circuit to earth
DF004
present
NOTES
Never carry out measures on the triggering lines with equipment other than the
XRBAG.
None
NOTES
CO - CC
Lock the computer using the command on the fault finding tool.
Switch off the ignition, disconnect the computer connector and fit the 30 track B40 adaptor.
The XRBAG must be used to measure resistance on adaptor cable B .
Is the value obtained correct?
If the value obtained is correct at adaptor cable B, check on the air bag computer base
for the 5 shunt opening pins for the 30 track connector.
Check the condition of the computer connections.
Check the condition of the 30 track connector (locking system, connections, ...)
YES
If the value obtained is not correct at adaptor cable B , check the connections on the
30 track connector (tracks 13 and 14).
NO
If the value remains incorrect, switch off the ignition and remove the dashboard visor
to access the passenger air bag module wiring. Disconnect the passenger air bag
ignition module, connect a dummy ignition module to the ignition module connector,
then use the XRBAG to measure the resistance on adaptor cable B again.
If the value obtained is correct, change the passenger air bag module.
If the value obtained is still incorrect, replace the air bag wiring.
FAULT FINDING- INTERPRETATION OF FAULTS
WIRING
Air bags and seat belt pretensioners
88
FRONT
88-35
