Kia Optima Hybrid: Cruise Control System / Schematic Diagrams
| System Block Diagram |
| Component part | Function | |
| ECU | Controls engine. | |
| MCU | Controls drive motor. | |
| ABS | Sends vehicle speed to HCU. | |
| HCU | Receives signals from sensor and control switches. | |
| Cluster (Cruise control indicator) | Illuminate when CRUISE main switch is ON (Built into cluster) | |
| Cruise Control switches | ON/OFF switch | Switch for automatic speed control power supply. |
| Resume/Accel switch | Controls automatic speed control functions by Resume/Accel switch (Set/Coast switch) | |
| Set/Coast switch | ||
| Cancel switches | Cancel switch | Sends cancel signals to HCU. |
| Brake-pedal switch | ||
| Transaxle range switch (TCU) | ||
Description and Operation
Cruise Control The cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and resume speed. ...
Troubleshooting
Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: General Information
Identification Number Locations Identification Number Description Vehicle Identification Number 1. World Manufacturer Identifier (WMI) - KNA : Passenger vehicle, MPV(Multipurpose Passenger Vehicle)/SUV(Sports Utility Vehicle)/RV(Recreational Vehicle) 2. Vehicle line - G : OPTIMA 3. Model & Series ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Seat Track Position Sensor (STPS) Repair procedures
Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front seat assembly. (Refer to BD group) 3. Loosen the two STPS screws, then remove the STPS after disconnecting the STPS connector. Installation Be sure to install ...