Hyundai Equus: Yaw-rate and Lateral G Sensor Description and Operation - ESP(Electronic Stability Program) System - Brake System - Hyundai Equus VI 2009-2020 Service ManualHyundai Equus: Yaw-rate and Lateral G Sensor Description and Operation

The ESP system is the shorten word of Electronic Stability Control system. This system recognizes a critical driving condition by Yaw-rate sensor, Lateral acceleration sensor and Steering angle sensor. And then it stabilizes the vehicle by a individual wheel braking and engine torque control through CAN communication. Among components of this system, the yaw-rate & lateral G sensor is installed on the lower of the center console. The yaw-rate and lateral G sensor are installed together in the one container which is called as " Sensor cluster". When the vehicle is moving around a vertical axis, the yaw rate sensor senses the vibration changes of the plate-fork installed in the yaw-rate sensor. When the vehicle's yawing is sensed and the yaw velocity reaches a certain velocity, the ESP control is activated. The lateral G sensor senses a vehicle's lateral acceleration. A small element in the sensor is attached to a deflectable lever-arm. The HECU recognizes a vehicle's direction and a lateral acceleration by the lateral G sensor.

Operating voltage
10 ~ 16V
Output signal
CAN Interface
Operating temperature
-40 ~ 85°C
Yaw-rate sensor
Measurement range
-75 ~ +75°/sec.
Frequency response
15 ~ 45Hz
Lateral G sensor
Measurement range
-14.715 ~ +14.715m/sx
Frequency response

External Diagram

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    Yaw-rate and Lateral G Sensor Repair procedures
    Replacement 1. Turn ignition switch OFF and disconnect the negative (-) battery cable 2. Remove the floor console. (Refer to Body - "Console") 3. Disconnect the yaw rate & lateral G s ...

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