Operation CHARM: Car repair manuals for everyone.

Principles of Operation

PRINCIPLES OF OPERATION

CAUTION: Do not use a key, pencil or any other hard object to press the keyless entry keypad buttons. These objects may damage the keyless entry keypad buttons.

NOTE:
- The remote transmitter will not operate with the transmission in REVERSE or DRIVE.
- Upon installation of a new driver door module (DDM), the module must be reconfigured. Refer to Information Bus (Module Communications Network).

The DDM receives inputs from the digital transmission range (TR) sensor, ignition switch, brake switch, door lock control switches, lighting control module (LCM), keyless entry keypad and remote transmitter. The DDM outputs consists of keyless entry keypad illumination, door lock actuators, luggage compartment lid release solenoid, and LCM.

For DDM removal and installation information, refer to Body Control Systems (Multifunction Electronic Control Module).