Crash signal

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 has a frequency of 10 Hz and indicates two states -normal state (live signal) and crash state. The two states differ in the pulse/duty ratio of the

Live signal 20% high 80% low

Crash signal 80% high 20% low

Signal evaluation begins 45 seconds after term. S is switched on. If no signal is detected from the airbag control module, a corresponding fault is entered into the fault memory.

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