Hyundai Accent: Yaw-rate and G Sensor. Description and Operation
Hyundai Accent RB (2010-2018) Service Manual / Brake System / ESC(Electronic Stability Control) 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 ESC 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 |
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|
Operating voltage |
10 ~ 16V |
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Output signal |
CAN Interface |
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Current Consumption |
Max.140mA |
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Operating temperature |
-40 ~ 85°C (-40 ~ 185°F) |
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Yaw-rate sensor |
Measurement range |
-75 ~ 75°/sec |
|
|
Frequency response |
15 ~ 45Hz |
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Lateral G sensor |
Measurement range |
-14.715 ~ 14.715m/s² |
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Frequency response |
50Hz ± 60% (±3dB) |
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External Diagram
Inspection
1.
Measure the output voltage between the terminal of the wheel speed
sensor and the body ground.
...
Yaw-rate and G Sensor. Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery
cable.
2.
Remove the front seat (LH) assembly.
(Refer ...
See also:
26 Brake Control Solenoid Valve(26/B_VFS). Specifications
Specifications
Direct control VFS[26/B]
▷ Control type : Normal low type
Control Pressure kpa (kgf/cm², psi)
9.81 ~ 500.14
(0.1 ~ 5.5, 1.42 ~ 7.82)
...
Rocking the vehicle
If it is necessary to rock the vehicle to free it from snow, sand, or mud, first
turn the steering wheel right and left to clear the area around your front wheels.
Then, shift back and forth betwe ...
Removal
Rear Disc Brake Type
The parking brake cables must not be bent or distorted. This will
lead to stiff operation and ...
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