Circuit/System Description
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
For an overview of the component/system, refer to: Power Door Locks Description and Operation
| Circuit | Description |
|---|---|
| B+ - Body Control Module | Supplied from a fuse. |
| Signal | The control module input circuit has an internal resistance connected to 12 V. |
| Control Driver Door Unlock | The output circuit is switched from ground to 12 V to activate the component. |
| Control All Doors Lock | The output circuit is switched from ground to 12 V to activate the component. |
| Control Passenger Door Unlock | The output circuit is switched from ground to 12 V to activate the component. |
| Ground - S13D Door Lock Switch - Driver | Chassis Ground |
| Ground - S13P Door Lock Switch - Passenger | Chassis Ground |
| Ground - Body Control Module | Chassis Ground |
| Component | Description |
|---|---|
| A23D Door Latch Assembly - Driver | The door locks are actuated by a bidirectional DC motor that locks/unlocks the door so that it can not be opened from outside the vehicle (but still from inside). |
| A23P Door Latch Assembly - Passenger | The door locks are actuated by a bidirectional DC motor that locks/unlocks the door so that it can not be opened from outside the vehicle (but still from inside). |
| A23LR Door Latch Assembly - Left Rear | The door locks are actuated by a bidirectional DC motor that locks/unlocks the door so that it can not be opened from outside the vehicle (but still from inside). |
| A23RR Door Latch Assembly - Right Rear | The door locks are actuated by a bidirectional DC motor that locks/unlocks the door so that it can not be opened from outside the vehicle (but still from inside). |
| K9 Body Control Module | The module controls various vehicle functions like lighting, central door locking, power windows, etc. |
| S13P Door Lock Switch - Passenger |
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| S13D Door Lock Switch - Driver |
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