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: Overdrive Clutch Control Solenoid Valve (OD/C_VFS) Repair procedures
Inspection 1. Turn ignition switch OFF. 2. Remove the air duct (A). Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft) 3. Remove the air cleaner assembly. (1) Disconnect the breather hose (A). (2) Disconnect the air intake hose (B) and then remove the air cleaner assembly (C). Tightening ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Active Air Flap(AAF) Description and Operation
Description The AAF (Active Air Flap) is located between radiator grille and radiator, and consists of an actuator and 6 air flaps. The system receives information from EMS, FATC, TCU, MCU and LDC via CAN communication . With this information, the AAF controls the motor properly then the air flaps adjust ...