System Overview: Signals
The table below summarizes input and output signals to and from the power seat module (4/52). The signal types are divided into directly connected signals, serial communication and Control area network (CAN) communication. The illustration below displays the same information with the Volvo component designations.
| Input signals | Output signals |
| Directly connected: | Directly connected: (power supply unless otherwise stated) |
| Control panel (3/26) with: | Seat motors (6/16-19) (four) |
|
Voltage supply signal EXT. X |
| Hall sensors (four integrated in the seat motor) | |
| Control circuit connected to the control panel | |
| Via Control Area Network (CAN): | Via Control Area Network (CAN): |
| Central electronic module (4/56) | Passenger door module (3/126) |
| Upper electronic module (4/70) | Driver's door module (3/127) |