Hyundai Palisade: ESP(Electronic Stability Program) System / Yaw-rate and G Sensor

Hyundai Palisade (LX2) 2020-2024 Service Manual / Brake System / ESP(Electronic Stability Program) System / Yaw-rate and G Sensor

Description and operation
Description
The yaw rate and G sensor is included inside the air bag control module (SRSCM).
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.

Hyundai Palisade. Description and operation

Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
Hyundai Palisade. Repair procedures   
Disconnect the battery negative cable and wait for at least thirty seconds before beginning work.
2.
Remove the floor console.
(Refer to Body - "Floor Console")
3.
Pull up the lock, of the SRSCM connector, the disconnect the connector.

Hyundai Palisade. Repair procedures

4.
Remove the SRSCM mounting bolts (3EA) from the SRSCM, then remove the SRSCM.
Hyundai Palisade. Repair procedures   
Disconnect the battery negative cable and wait for at least thirty seconds before beginning work.

Hyundai Palisade. Repair procedures

Installation
1.
To install, reverse the removal procedures.
2.
Perform Longitudinal G-sensor calibration in vehicle S/W Management menu of the GDS.
Adjustment
As manual for diagnosis methods by using diagnosis device, the main contents are as follows:
1.
Connect self-diagnosis connector(16pins) located in the lower of driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.
2.
Select the "vehicle model" and "ABS/ESP" on GDS vehicle selection screen, then select OK.
[Longitudinal G Sensor Calibration]

Hyundai Palisade. Repair procedures

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