Kia Optima Hybrid: Cruise Control System / Schematic Diagrams

System Block Diagram

Component Parts And Function Outline
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 Safety Information and Caution


Safety Precaution     Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage.     • Be sure to shut off the high voltage by removing the ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Components and Components Location


Components Location 1. Drive shaft2. Lower arm3. Front disk4. Front strut assembly5. Steering gearbox6. Front stabilizer bar7. Sub frame ...

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