| System Block Diagram |

| Component part | Function |
| Vehicle-speed sensor, ESP/ABS Control Module | Converts vehicle speed to pulse. |
| ECM | Receives signals from sensor and control switches. |
| Cruise control indicator | Illuminate when CRUISE main switch is ON (Built into cluster) |
| Cruise Control switches | CRUISE switch | Switch for automatic speed control power supply. |
| RES+ switch | Controls automatic speed control functions by Resume/Accel switch (Set/Coast switch) |
| SET- switch | |
| Cancel switches | Cancel switch | Sends cancel signals to ECM. |
| Brake-pedal switch | |
| Transaxle range switch (A/T) | |
| ETC motor | Regulates the throttle valve to the set opening by ECM. |
Description and Operation
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Hyundai Elantra AD (2016-2020) Service Manual: SRS Control Module (SRSCM) Components and Components Location
Components
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Supplemental Restraint System Control Module (SRSCM)
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