Kia Sportage: Yaw-rate and Lateral G Sensor: Description and Operation
Third generation SL (2010–2016) / Kia Sportage SL Service & Repair Manual / Brake System / ESC(Electronic Stability Control) System / Yaw-rate and Lateral 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 electronically 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 | ||
| 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 ~ +14.715g | |
| Frequency response | 50Hz ± 60% (-3dB) | ||
External Diagram
Rear Wheel Speed Sensor: Repair procedures
Removal
1.
Remove the rear wheel speed sensor mounting bolt (A).
Tightening torque:
6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ~ 8.0 lb-ft)
2.
Remove the luggage side trim the disconnect the r ...
Yaw-rate and Lateral G Sensor: Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the floor console upper cover.
3.
Disconnect the yaw rate & lateral & Longitudinal G se ...
Other Information:
Manifold Absolute Pressure Sensor (MAPS): Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the MAPS at idle and IG ON.
Specification: Refer to "Specification"
Removal
1.
Tur ...
ESC OFF indicator
The ESC OFF indicator will illuminate when the ignition switch is turned ON,
but should go off after approximately 3 seconds. To switch to ESC OFF mode, press
the ESC OFF button. The ESC OFF ind ...
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