Power Door Lock Switch: Description and Operation

The power lock system can be controlled by a two-way momentary switch integral to the power window and lock switch and bezel unit on the trim panel of each front door. Each power lock switch is illuminated by a Light-Emitting Diode (LED) that is integral to the switch paddle. The LED of each switch is illuminated whenever the ignition switch is in the ON position.

The power lock switches and their LEDs cannot be adjusted or repaired and, if faulty or damaged, the entire power window and lock switch and bezel unit must be replaced.

On models with a base version of the Central Timer Module (CTM), the power lock switches are hard-wired to the power lock motors. The power lock switch provides the correct battery and ground feeds to the power lock motors to lock or unlock the door latches.

On models with a high-line or premium version of the CTM, the power lock switch controls battery current signals to the lock and unlock sense inputs of the CTM. The CTM then relays the correct battery and ground feeds to the power lock motors to lock or unlock the door latches.