Hyundai Sonata: SRSCM / Schematic Diagrams
| Circuit Diagram (1) |
| Circuit Diagram (2) |
| Circuit Diagram (3) |
| SRSCM Connector Terminal |
| Pin | Function (Connector A) | Pin | Function (Connector B) |
| A1 | IGN-1 | B1 | Side impact sensor front, Passenger-High (+) |
| A2 | Front impact sensor driver-High (+) | B2 | Side impact sensor front, Passenger-Low (-) |
| A3 | Front impact sensor driver-Low (-) | B3 | Side impact sensor front, Driver-High (+) |
| A4 | Front impact sensor passenger-High (+) | B4 | Side impact sensor front, Driver-Low (-) |
| A5 | Front impact sensor passenger-Low (-) | B5 | Pressure side impact sensor passenger-High (+) |
| A6 | C-CAN ACU to Vehicle-Low (-) | B6 | Pressure side impact sensor passenger-Low (-) |
| A7 | C-CAN ACU to Vehicle-High (+) | B7 | Pressure side impact sensor driver-High (+) |
| A8 | Local CAN IMU to ESC-Low (-) | B8 | Pressure side impact sensor driver-Low (-) |
| A9 | Local CAN IMU to ESC-High (+) | B9 | - |
| A10 | - | B10 | - |
| A11 | - | B11 | Ground |
| A12 | Driver airbag 1st stage-High (+) | B12 | Retractor pretensioner front, Driver-Low (-) |
| A13 | Driver airbag 1st stage-Low (-) | B13 | Retractor pretensioner front, Driver-High (+) |
| A14 | Passenger airbag 1st stage-Low (-) | B14 | Retractor pretensioner front, Passenger-High (+) |
| A15 | Passenger airbag 1st stage-High(+) | B15 | Retractor pretensioner front, Passenger-Low (-) |
| A16 | Passenger airbag active vent-High (+) | B16 | Curtain airbag driver-Low (-) |
| A17 | Passenger airbag active vent-Low (-) | B17 | Curtain airbag driver-High (+) |
| A18 | - | B18 | Side airbag front, driver-High (+) |
| A19 | - | B19 | Side airbag front, driver-Low (-) |
| A20 | - | B20 | Side airbag front, passenger-Low (-) |
| A21 | Seat belt reminder | B21 | Side airbag front, passenger-High (+) |
| A22 | Crash output | B22 | - |
| A23 | Driver airbag 2nd stage-High (+) | B23 | - |
| A24 | Driver airbag 2nd stage-Low (-) | B24 | - |
| A25 | Passenger airbag 2nd stage-Low (-) | B25 | - |
| A26 | Passenger airbag 2nd stage-High (+) | B26 | - |
| A27 | Passenger airbag OFF lamp (telltale lamp) | B27 | Seat belt buckle sensor front, Driver-High (+) |
| A28 | - | B28 | Seat belt buckle sensor front, Driver-Low(-) |
| A29 | - | B29 | - |
| A30 | - | B30 | - |
| A31 | - | B31 | - |
| A32 | - | B32 | - |
| A33 | - | B33 | Seat belt buckle sensor front, Passenger-Low (-) |
| A34 | - | B34 | Curtain airbag passenger-Low (-) |
| A35 | - | B35 | Curtain airbag passenger-High (+) |
| A36 | Knee airbag driver-Low (-) | B36 | Anchor pretensioner driver-High (+) |
| A37 | Knee airbag driver-High (+) | B37 | Anchor pretensioner driver-Low (-) |
| A38 | - | B38 | Anchor pretensioner passenger-Low (-) |
| A39 | - | B39 | Anchor pretensioner passenger-High (+) |
| A40 | - | B40 | - |
| A41 | - | B41 | - |
| A42 | - | B42 | - |
| A43 | - | B43 | - |
| A44 | - | B44 | Seat belt buckle sensor front, Passenger-High (-) |
Seat Belt Buckle Switch (BS) Repair procedures
Removal
1.
Disconnect the battery negative cable, and wait for at least three minutes before beginning work.
2.
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
3.
...
Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Underbody maintenance
Corrosive materials used for ice and snow removal and dust control may collect
on the underbody. If these materials are not removed, accelerated rusting can occur
on underbody parts such as the fuel lines, frame, floor pan and exhaust system,
even though they have been treated with rust protectio ...
Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description
The cruise control system is engaged by the cruise "ON/OFF"
main switch located on right of steering wheel column. The system has
the capability to cruise, coast, accelerate and resume speed.
It also has a safety interrupt, engaged upon depressing brake or shifting select lever.
...
