Load disconnection has a frequency of 10 Hz and indicatestwo · states -normal state (live signal)and

911 Carrera (996) Alarm system diagnosis 8 Load disconnection has a frequency of 10 Hz and indicatestwo states -normal state (live signal)and crash If the vehicle is locked up, some loads are state. The two states differ in the pulse/duty disconnected from the supply voltage in order to conserve the battery. Load deactivation is ratio of the signal: activated if at least one of the following Live signal 20% high 80% low requirements is fulfilled: Crashsignal 80%high 20% low 10 minutes after locking up the vehicle via hand-heldtransmitter or door lock as well as Signal evaluation begins 45 seconds after term. after re~ocking S is switched on. If no signal is detected from the airbag control module, a corresponding fault 2 hours after term. S is switched off is entered into the fault memory. 2 hours after the central locking system is Undervoltage unlocked via door lock or hand-held transmitter If the battery voltage falls below 8.5 V, undervoltageoccurs. If the battery voltage 2 hoursafter alarmoutput exceeds 9 V, the undervoltageis no longer present. If undervoltage occurs, the inputs Door lock barrel open and Door lock barrel closed are evaluated as inactive irrespective of their Play prevention state. It is not possible to activate the central If the central locking system is actuated 11 locking system via the door lock barrel when times in less than 5 seconds,further operation undervoltageoccurs. The alarm system cannot is blocked for 30 seconds. If the last command be activated in the case of undervoltage. before play prevention activation was a Lid release locking command to open the central locking system, then it is possible to give a further command Electric locking of the rear lid release has which is independentfrom play preventionto been omitted as of the production launch of close the system. For every further time that the '98 series. Front lid release locking is play prevention is activated the blocking time is still carried out electrically. doubled, up to a maximum of 240 seconds. The blocking time is cleared when a door is opened, Electric locking is carried out by the alarm and if play prevention is activated again, system control module and is valid for the blocking time starts at 30 seconds. following country codings: Crash signal USA,Englandand Belgium The airbag control module emits a signal to the alarm system control module no later than 35 seconds after Term. S is switched on and until Term. S is switched off again. This signal 90 -D 9