Hyundai Palisade (LX2): ESP(Electronic Stability Program) System / Yaw-rate and G Sensor

Hyundai Palisade (LX2) 2020-2026 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

Turn ignition switch OFF and disconnect the negative (-) battery cable.

•	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.

Remove the SRSCM mounting bolts (3EA) from the SRSCM, then remove the SRSCM.

•	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]

❮Emergency Signal System

Description and operation Description Introduction of quick brake warning system (ESS) In case of quick brake by driver, the brake lamp or turn signal is blinked to warn against the vehicle at rear.

Downhill Brake Control Switch❯

Description and operation Description The DBC function is the acronym word of Downhill Brake Control function. When a vehicle goes down the hill, just pushing the DBC switch enables the car to keep its vehicle's speed at a constant value without operating the brake pedal.

Other information:

Hyundai Palisade (LX2) 2020-2026 Service Manual: Intake Actuator

Description and operation Description The intake actuator is located at the blower unit. It regulates the intake door by a signal from the control unit. Pressing the intake selection switch will shift between recirculation and fresh air modes.

Hyundai Palisade (LX2) 2020-2026 Service Manual: Heater & A/C Control Unit (DATC)