System description · The airbag system consists of the following Self-testand permanentmonitoring

911 Carrera (996) Airbag diagnosis System description The airbag system consists of the following Self-testand permanentmonitoring components: of the airbag system Triggering unit Faultstorage Contactunit Fault display Driver'sairbag unit Faultoutput Passenger'sairbagunit System readiness display Side airbags The triggering unit need not be replaced until after the third time the airbag is triggered or Sensors for airbag (side-airbagsensors) if the fault memory can no longer be cleared. Plug connection,child restraint system If the triggering unit is replaced,the data record for the appropriate vehicle must be loaded with Beltbucklefor driver the Porsche System Tester 2 and the triggering unit must be locked. Beltbucklefor passenger The warning light flashes before locking. The warning light goes out after locking Warninglight was performed successfully(if no fault is present). A system self-test is performed after the ignition is switched on. The warning light is switched on during 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 Triggeringthe airbagsystem Recordingthe eventdata 69 01 Diagnosis/troubleshooting, airbag 69 -D 51 Printed in Germany -17, 1998 99669D45