Kia Optima Hybrid: ESC(Electronic Stability Control) System / 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.
(Refer to the Body group - "Console")
3.
Disconnect the yaw rate & lateral G sensor connector (A).

4.
Remove the mounting nuts (B).

Tightening torque:
6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ~ 8.0 lb-ft)

5.
Installation is the reverse of removal.
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 ...

ESC OFF Switch Description and Operation

Description 1. The ESC OFF switch is for the user to turn off the ESC system. 2. The ESC OFF lamp is on when ESC OFF switch is engaged. ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Cruise Control Switch Repair procedures


Removal and Installation 1. Disconnect the battery negative terminal. Tightening torque : 4.0 ~ 6.0N.m (0.4 ~ 0.6kgf.m, 3.0 ~ 4.4lb-ft) 2. Remove the driver airbag module. (Refer to the RT group - "Airbag module") 3. Remove the steering wheel. (Refer to the ST group - "Steering column and shaft") 4. ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Schematic Diagrams


System Block Diagram Component Parts And Function Outline Component partFunctionECUControls engine.MCUControls drive motor.ABSSends vehicle speed to HCU.HCUReceives signals from sensor and control switches.Cluster (Cruise control indicator)Illuminate when CRUISE main switch is ON (Built into cluster)Cruise ...

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