Principles of Operation

PRINCIPLES OF OPERATION

Luggage Compartment Lid
The luggage compartment lid module receives a voltage signal from the driver door module (DDM) when either the button on the driver door trim panel, the remote keyless entry (RKE) keypad, or the RKE transmitter is pressed (twice on the RKE transmitter). The luggage compartment lid module supplies voltage to the lid motor to move the lid to the full-open position when it senses the latch has been opened. Using the luggage compartment lid key operates the latch mechanically, resulting in manual-only operation of the lid.

There are 2 switches in the latch. The luggage compartment lid module monitors the switches.

Optical sensors within the lid motor are monitored by the module to determine when to turn off power and which circuits should be powered or grounded to the lid motor. When one of the buttons is pressed with the lid open, the DDM sends a signal to the luggage compartment lid module which supplies voltage and grounds the correct circuits to the lid motor and lowers the lid until the latch closes.

When one of the buttons is pressed with the lid open, the DDM sends a signal to the luggage compartment lid module which supplies voltage to the lid motor and lowers the lid until the latch closes. At this time, the module supplies voltage to the closing motor, slowly pulling the lid to a fully closed position. The striker down switch and the striker up switch within the closing motor are monitored by the module to determine when the closing motor is fully down or up.

The module has a vehicle speed output (VSO) signal that is used to shut down the system if there is a vehicle speed of approximately 5 kph (3 mph) or more. For diagnostics, the module uses the International Standards Organization (ISO) network. Whenever battery voltage is lost to the luggage compartment lid module, luggage compartment lid motor, or the luggage compartment lid closing motor, the system must be initialized.