System Overview: Signals
The table below summarizes the input signals to and output signals from the supplemental restraint system module (SRS). The signal types are divided into directly connected signals and Controller area network (CAN) communication. The illustration below displays the same information with the Volvo component designations.
| Input signals |
Output signals |
Directly connected:
- Side impact sensor left C-post (7/108)
- Side impact sensor right C-post (7/109)
- Side impact sensor left B-post (7/115)
- Side impact sensor right B-post (7/116)
- Frontal collision sensor left front (7/179)
- Frontal collision sensor right front (7/178)
- Seat belt buckle left front (3/93)
- Seat belt buckle right front (3/94).
|
Directly connected:
(power supply unless otherwise stated)
- Central electronic module (CEM) (4/56), collision output signal
- Phone Module (PHM) (16/60), collision output signal
- Seat belt tensioner left front (8/33)
- Seat belt tensioner right front (8/34)
- Seat belt tensioner left rear (8/55)
- Seat belt tensioner right rear (8/56)
- Seat belt tensioner center rear (8/62)
- Airbag passenger front stage 1 (8/31)
- Airbag passenger front stage 2 (8/32)
- Airbag driver stage 1 (8/30)
- Airbag driver stage 2 (8/61)
- Side impact protection (SIPS) bag left front (8/51)
- Side impact protection (SIPS) bag right front (8/52)
- Inflatable curtain left front (8/66)
- Inflatable curtain right front (8/67)
- Inflatable curtain left rear (8/96)
- Inflatable curtain right rear (8/97)
- Seat belt tensioner third row left (8/94)
- Seat belt tensioner third row right (8/95).
|
| Via Controller Area Network (CAN) communication: |
Via Controller Area Network (CAN) communication: |
- Central electronic module (CEM) (4/56)
- Driver information module (DIM) (5/1)
- Rear electronic module (REM) (4/58).
|
- Central electronic module (CEM) (4/56)
- Driver information module (DIM) (5/1)
- Phone module (PHM) (16/60)
- Rear electronic module (REM) (4/58).
|
Courtesy of VOLVO CARS CORPORATION