Hyundai Elantra: Cruise Control System / Schematic Diagrams

Hyundai Elantra AD (2016-2020) Service Manual / Engine Electrical System / Cruise Control System / Schematic Diagrams

System Block Diagram

Component Parts And Function Outline

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.

* ETC Motor : Electronic Throttle Control Motor

Description and Operation

Cruise Control The cruise control system is engaged by the cruise "ON/OFF" main switch located on the right-hand side of steering wheel column. The system has the capability to cruise, coast, a ...

Troubleshooting

Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Manifold Absolute Pressure Sensor (MAPS) Repair procedures
Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the MAPS at idle and IG ON. ConditionOutput Voltage (V)IG ON3.9 ~ 4.1Idle0.8 ~ 1.6 Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disco ...

Hyundai Elantra AD (2016-2020) Service Manual: Fluid Repair procedures
Service Adjustment Procedure ATF level Check • A check of ATF level is not normally required during scheduled services. If an ATF leak is found, perform the ATF level check procedure after repairs are completed. • When checking t ...