Altima V6-3.5L (VQ35DE) (2006)
Door/Trunk Ajar Indicator/Lamp: Description and Operation
TRUNK WARNING LAMP
Trunk warning lamp is controlled by the BCM.
When the trunk is opened, ground is supplied
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to BCM terminal 53
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through trunk lamp switch and trunk release solenoid terminal 3
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through trunk lamp switch and trunk release solenoid terminal 4
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to body grounds B7 and B19.
The BCM then signals the combination meter (unified meter control unit) via the CAN lines and ground is provided to the trunk warning lamp.
When power and ground are supplied, the trunk warning lamp illuminates.
DOOR WARNING LAMP
Door warning lamp is controlled by the BCM.
When one of the doors is opened, ground is supplied to BCM terminals 12, 13, 47 or 48. The BCM then signals the combination meter (unified meter
control unit) via the CAN lines and ground is provided to the door warning lamp. When power and ground are supplied, the door warning lamp
illuminates.