BCM Controlled/Aided Functions
WARNING: This page is about a different car, the 2001 GMC Safari and 2001 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
BCM controls/aids following functions. For additional circuit information and descriptions, see appropriate sub-system:
- Audible Warnings.
- DRL Daytime Running Lamps/Auto Headlights/Exterior Lighting.
- Inadvertent Power Relay/Battery Rundown Protection.
- Interior Lighting.
- RKE Remote Keyless Entry/Panic Alarm/LOCKING and UNLOCKING of Doors/Lockout Prevention.
- VTD Vehicle Theft Deterrent/Passlock(tm) System.
Battery rundown protection (or battery guard) feature provides protection from excessive battery drain caused by high current loads that are accidentally left on. When ignition is turned off, a time-out period is started. Time-out period will last for 40 minutes. When time-out expires, inadvertent power output is turned off.
When BCM activates an indicator in instrument cluster, it may also produce a chime. Chimes that are provided: key-in-ignition, headlights on, unfastened seat belt, turn signal on, parking brake warning, door ajar warning and check gauges.