Hyundai Accent: Yaw-rate and G Sensor. Description and Operation
Fourth generation RB (2010–present) / Hyundai Accent 2010-2019 Service Manual / Brake System / ESC(Electronic Stability Control) System / Yaw-rate and G Sensor. Description and Operation
Fourth generation RB (2010–present) / Hyundai Accent 2010-2019 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 |
|
|
Operating voltage |
10 ~ 16V |
|
|
|
Output signal |
CAN Interface |
|
|
|
Current Consumption |
Max.140mA |
|
|
|
Operating temperature |
-40 ~ 85°C (-40 ~ 185°F) |
|
|
|
Yaw-rate sensor |
Measurement range |
-75 ~ 75°/sec |
|
|
Frequency response |
15 ~ 45Hz |
|
|
|
Lateral G sensor |
Measurement range |
-14.715 ~ 14.715m/s² |
|
|
Frequency response |
50Hz ± 60% (±3dB) |
|
|
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 ...
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