CTD Circuit Description: Inputs
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The BCM monitors the following inputs:
- The door LOCK/UNLOCK switch; a serial data message from the DDM
- The driver and passenger door ajar switches; both a serial data message from the DDM/PDM and a discrete input
- The rear compartment lid ajar switch; a discrete input to the BCM
- Driver door cylinder switch; a serial data message from the DDM
- The keyless entry transmitter LOCK/UNLOCK buttons; a serial data message from the RCDLR
- The Vehicle Theft Deterrent (VTD) status-The BCM uses the VTD status for disarming the system or silencing and alarm when the correct vehicle key is used to start the vehicle