Power Sliding Door System: Operation: Notes

WARNING: This page is about a different car, the 2004 Dodge Grand Caravan, 2004 Dodge Caravan, and 2004 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

With the push of a power sliding door open/close command switch (key fob, overhead console or B-pillar mounted) a signal is sent out to the Body Control Module (BCM). The BCM then sends a signal out on the PCI Data Bus circuit (J1850) to the power sliding door module. The power sliding door module then signals the power sliding door latch to release the door to the unlatched and movable position. The motor then starts an open cycle.

During the door open cycle, if the power sliding door module detects sufficient resistance to door travel, such as an obstruction in the door's path, the power sliding door module will immediately stop door movement and reverse door travel to the full open or closed position. The ability for the power sliding door module to detect resistance to door travel is accomplished by hall effect sensors and the door motor speed.

The power sliding door control module has the ability to learn. Anytime a door is opened or closed using the power sliding door system the module learns from its cycle. If a replacement power sliding door component is installed or a door adjustment is made, the module must re-learn the effort required to open or close the door. A learn cycle can be performed with a Diagnostic Scan Tool, such as the DRBIII(R), or with a complete cycle of the door, using any one of the command switches. Refer to STANDARD PROCEDURE for detailed instructions.

The power sliding door system is designed with a number of system inhibitors. These inhibitors are necessary for safety and/or feasibility of the power sliding door system. See POWER SLIDING DOOR SYSTEM INHIBITORS :