9-5 Aero (9600) L4-2.3L Turbo (B235) HO (2000)
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As a check for the theft alarm, an LED is mounted in the center of the dashboard. The LED flashes at varying frequency or lights continuously depending
on the different conditions. The table overleaf shows some normal cases.
Function
The LED is powered by +30 from fuse 9 (22a) and is grounded via pin 27 on TWICE. TWICE controls the ground connection and therefore also the
activation of the LED and its flash frequency.
Self diagnosis
Whenever the alarm is armed, a self-diagnosis is carried out during the delay time (10 seconds) while the LED is lit continuously. If a fault is found, a
diagnostic trouble code is stored in the control module and the LED does not flash. The other functions of the alarm are not affected.
