Door Lock System Components
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The power door lock system consists of the following components:
- LF door lock switch
- RF door lock switch
- Rear door lock switch (utilities only)
- Door lock relay
- Door unlock relay
- Driver door unlock relay (uplevel vehicles)
- Body Control Module (BCM)
- Reversible door lock actuators in each of the doors
- MIR/LOCK 3A fuse (switch supply voltage)
- DR LOCK 20A fuse (relay supply voltage)
- UNLOCK 15A fuse (unlock supply voltage)
- LOCK 15A fuse (lock supply voltage)
- UNLOCK JMPR (base vehicles)