Initial Condition To Activate The System
The operation of the vehicle security system is controlled by the doors, hood and trunk lid.
To activate the vehicle security system, BCM must receive signals indicating the doors, hood and trunk lid are closed and the doors are locked.
When a door is open, BCM terminal 33 (rear LH door), 37 (passenger door), 142 (driver door) or 143 (rear RH door) receives a ground signal from each door switch.
When the driver door is unlocked, driver door control unit (LCU01) terminal 6 receives a ground signal from terminal 2 of driver side door unlock sensor.
When the passenger, rear LH or RH door is unlocked, passenger, rear LH or RH door control unit terminal 2 receives a ground signal from terminal 2 of each door unlock sensor.
When the hood is open, BCM terminal 122 receives a ground signal
- from terminals 1 and 2 of the hood switch
- through body grounds E42 and E62.
When the trunk lid is open, BCM terminal 146 receives a ground signal
- from terminals 1 and 2 of the trunk room lamp switch
- through body grounds B217, B256.
When the doors are locked with electronic key and none of the described conditions exist, the vehicle security system will automatically shift to armed phase.