| 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
TroubleshootingHyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Components
NoConnector AConnector BConnector CConnector D1Batt (+)IGNRain sensor (LIN)Airbag unit (LIN)2IGN 1Front wiper switch (High)-RPAS (LIN)3IGN 2Light switch-Puddle lamp4Brake switchHead lamp switch (High)-ATM solenoid5Front wiper switch (Low)Auto light power-Power windo ...
Hyundai Elantra AD (2016-2020) Service Manual: Special Service Tools
Special Service Tools
Tool (Number and Name)IllustrationApplicationFuel Pressure Gauge(09353-24100)Measuring the fuel line pressureFuel Pressure Gauge Adapter(09353-02100)Connection between the delivery pipe and the fuel feed lineHeated Oxygen Sensor Socket Wrench(09392-2H100)Removal and instal ...