Hyundai Tucson: ESC(Electronic stability system) System / Yaw-rate and G Sensor Description and Operation

Description
When the vehicle is turning with respect to a vertical axis the yaw rate sensor detects the yaw rate electroniclly by the vibration change of plate fork inside the yaw rate sensor.
If yaw velocity reaches the specific velocity after it detects the vehicle'yawing, the ESP control is reactivated.
The later G sensor senses vehicle's lateral G. A small element inside the sensor is attached to a deflectable leverarm by later G.
Direction and magnitude of lateral G loaded to vehicle can be known with electrostatic capacity changing according to lateral G.

Specifications
Description
Specification
Remarks
Operating voltage
10 ~ 16V

Output signal
CAN Interface

Operating temperature
-40 ~ 85°C (-40 ~ 185°F)

Yaw-rate sensor
Operating range
-75 ~ 75°/sec

Frequency response
15 ~ 45Hz

Lateral G sensor
Operating range
-14.75 ~ 14.75m/sx

Frequency response
50Hz ± 60%


External Diagram

ESC Control Unit Repair procedures
Removal 1. Turn the ignition switch OFF. 2. Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner. Tightening torque : ABS : 12.7 ~ 16.7N.m(1.3 ~ 1 ...

Yaw-rate and G Sensor Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the floor console. 3. Disconnect the yaw rate & lateral & Longitudinal G sensor connect ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Specifications
Specifications ItemSpecificationMaster cylinderxLHDRHDTypeTandem typeTandem typeCylinder I.D.CBS: O  20.64O  25.4 mmABS/ ESP: O  22.22mmPiston stroke45mm(1.77in) / 30mm(1.18in)Fluid level switchProvidedProvidedBrake boosterxLHDRHDType11" Single8+9" TandemBoosting ratio9.0 : 19.0 ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Timing Chain Components and Components Location
Components 1. Intake camshaft2. Exhaust camshaft3. Intake CVVT assembly4. Exhaust CVVT assembly5. Timing chain6. Timing chain tensioner arm7. Timing chain tensioner8. Timing chain guide9. Timing chain cover10. Service plug bolt & gasket11. Front oil seal12. Crankshaft damper pulley ...

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