9-5 Aero Wagon (9600) L4-2.3L Turbo (B235) HO (2001)
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TWICE.
Function
A pulse width-modulated (approx. 3.5%) voltage is supplied continuously from the control module via a 1 Kohm pull-up in TWICE to the switch. From
this voltage, the control module can detect whether the bonnet is opened when the alarm is armed by testing the voltage at the input concerned.
