Driver and Passenger Door Ajar (With AXG and AER Power Windows)
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.
The driver and passenger window motors each provide a 12 V signal to their respective door ajar switch signal circuits. The door ajar switches are integral to each door latch assembly. When a door is opened, the normally open door ajar switch closes. With the door ajar switch closed, ground is provided to the door ajar switch signal circuit and the voltage within the signal circuit drops. The window motor will detect the voltage drop and will send a serial data message to the body control module which will then send a message to the instrument cluster to command the door ajar message
| Callout | Component Name |
|---|---|
| P16 | P16 Instrument Cluster |
| K9 | K9 Body Control Module |
| S79RR | S79RR Window Switch - Right Rear |
| S79LR | S79LR Window Switch - Left Rear |
| S79P | S79P Window Switch - Passenger |
| S79D | S79D Window Switch - Driver |
| A23D | A23D Door Latch Assembly - Driver |
| A23P | A23P Door Latch Assembly - Passenger |
| A23LR | A23LR Door Latch Assembly - Left Rear |
| A23RR | A23RR Door Latch Assembly - Right Rear |