Hyundai Genesis (DH): ECS(Electronic Control Suspension) System / Description and Operation

Hyundai Genesis (DH) 2013-2016 Service Manual / Suspension System / ECS(Electronic Control Suspension) System / Description and Operation

Description
Real-time continuous control of the damping force according to vehicle running conditions and the state of road surface will enhance ride comfort and steering safety, including roll/pitch reduction in case of vehicle dynamics control, quick turning, braking, and starting.
Continuously Variable Damper
Damping force variable solenoid valve current will be controlled by ECU. Depending on change in the current amount, , the spool valve will move in the actuator to change flowing route and lead to the damping force variation.
Front Continuously Variable Damper

Rear Continuously Variable Damper

Solenoid Valve

Sensor
Item
Shape
Function
body G-sensor

Body motion detection
Sky hook damping control(pitch, bounce control)
Wheel G-sensor

Wheel roughness detection
Damper velocity estimation
Vehicle Signals
 Vehicle Speed
Throttle position sensor
Brake
Steering Angle
Drive mode switch signal
Steering angle sensor

Estimation Of The Driver's Steering
Left/Right acceleration measurements

ECU
Damping force variable solenoid valve current will be controlled by ECU.

Operation
System
Check the MCU and the state of each part when electric power is applied to ECU and prepare to operate. ECU operates the actuator when the engine is started.
System operation mode
Normal operation
4 types of driver selection mode such as

    Components 1. ECU2. Front Continuously Variable Damper3. Wheel G-Sensors4. Rear Continuously Variable Damper5. Body G-Sensors Components Location ECS-ECU Body G-Sensors [Right Front] [Left Front] [Right Rear] Wheel G-Sensors [2EA] Front Continuously Variable Damper [2EA] Rear Continuously Variable Damper [2EA]

    Schematic Diagrams 1. Connector input/output No.DescriptionPin No.Description1Battery(+)20-2Solenoid RL (+)21-3Solenoid RR (+)22-4Solenoid FL (+)23-5Solenoid FR (+)24-6- 25G- sensor power7- 26Body G-sensor signal RR8- 27Body G-sensor signal FL9- 28Wheel G-sensor signal FR10- 29Wheel G-sensor signal FL11- 30Wheel G-sensor signal FR12- 31CAN HIGH 13Ground32-14Solenoid RL (-) 33CAN LOW 15Solenoid RR (-)34-16Solenoid FL (-)35-17Solenoid FR (-)36IGN (+) 18-37-19-38G-Sensor Ground 2.

    Other information:

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