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 measuring operations on the trigger lines with equipment other
than the XRBAG.
None
NOTES
CO - CC
Lock the computer using the fault finding tool command.
Switch off the ignition, disconnect the computer connector and fit the 50 track B50 adaptor.
The XRBAG must be used to measure resistance on adaptor cable D .
Is the value obtained correct?
If the value obtained is correct at adaptor cable D check on the air bag computer base
for the 7 shunt opening pins for the 50 track connector.
Check the condition of the computer connections
Check the condition of the 50 track connector (locking system, connections,...).
YES
If the value obtained is not correct at adaptor cable D check the connections on the 50
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 D .
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
SIDE
88
88-56
