System description · The airbag system consists of the following If the triggering unit is replaced,the data re

911 Carrera (996) Airbag diagnosis System description The airbag system consists of the following If the triggering unit is replaced,the data record components: triggering unit, contact unit, for the appropriate vehicle must be loaded with driver's airbag unit, passenger's airbag unit, the Porsche System Tester 2 and the triggering child restraint system plug connection,belt unit must be locked. buckle for driver, belt buckle for passenger The warning light flashes before locking. and the warning light. A system self-testis The warning light goes out after locking performed after the ignition is switched on. was performed successfully(if no fault The warning light is switched on during is present). the self-test. If no faults are stored in the fault memory, the warning light goes out after approx. 3 seconds. Up to max. 10 faults can be stored. A start and stop fault clock is kept for each fault. The triggering unit has the following functions: Crash recognition and triggering time calculation Triggering the airbag system Recordingthe eventdata Self-test and permanentmonitoring of the airbag system Faultstorage Faultdisplay Fault output System readiness display The triggering unit need not be replaced until after the third time the airbag is triggered or if the fault memory can no longer be cleared. 69 01 Diagnosis/troubleshooting, airbag 69 -D 7 Printed in Germany -17, 1998 99669Dl