9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT) (2003)
/l4-2.0l_turbo_(2.0_hot)/Page-291002.png)
The door switches are connected to the following pins of the TWICE control module:
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
concerned. From this voltage, the control module can detect whether a door is opened when the alarm is armed by testing the voltage at the input
concerned.