WIS Document: 3987
Model Context: 900 (1998)
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Manual control with car key, Anti-theft alarm US/CA
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With the car key in the door lock
The anti-theft alarm can be armed and disarmed manually by inserting the car key in the door lock.
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Arming the theft alarm
| 1. |
When arming using the car key, this is inserted into the lock in the door and turned 45 degrees to the locked position.
| 2. |
A microswitch beside the door's lock cylinder sends a locking signal to the central locking system control module and a signal to the alarm control module (pin 17) to arm the alarm. The car doors are locked.
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Disarming the theft alarm
| 1. |
When disarming using the car key, this is inserted into the door lock and turned 45 degrees to the unlocked position.
| 2. |
The microswitch by the door lock cylinder sends an unlock signal to the central locking system control module and a signal to the alarm control module (pin 6) to disarm the alarm. The car doors are unlocked.
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Disarming the tailgate
| 1. |
The tailgate alone can be disarmed and unlocked by means of the car key without affecting the rest of the alarm system. The flash/buzz acknowledgement of this function is programmable.
| 2. |
The microswitch in the luggage compartment lock supplies voltage to the luggage compartment lock motor so that this unlocks the tailgate, and sends a signal to the alarm control module (pin 15) to disarm the alarm.
Canonical Workshop Redirect
For step-by-step instructions, interactive illustrations, and official wiring diagrams, refer to the human-optimized workshop page below.
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