GF42.45-P-4700-04B | Lateral acceleration sensor, function | Model Series 163 Model 202 with engine 111, 605, 611 Model 203 up to 7/01 Typ 208 with engine 111 | |
The measuring principle of the lateral acceleration sensor (B43) is based on a spring/mass system with
a capacitive detector. The voltage is supplied via the ESP control module (N47-5).
Ground
Capacitive
detector
Vehicle
Lateral acceleration
Flexible bar
Sensor element
Lateral acceleration sensor (B43)
Sensor interface
Output signal
Operation
The lateral acceleration which occurs during cornering causes the spring/mass element to move from its normal position to a position corresponding to the magnitude of the lateral acceleration. Every change in position changes the electrical capacitance of the detector. An electronic analysis system then generates a
voltage signal which depends on the capacitance and, therefore, the lateral acceleration of the vehicle. This voltage signal is evaluated by the ESP control module (N47-5).