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: Panoramaroof Repair procedures


Replacements Movable glass Replacement 1. Open the movable glass fully. 2. Remove the folding cover (A). 3. After loosening the mounting screws, then remove the movable glass (A).     • Do not damage the screws. 4. Installation is the reverse of removal. Motor Replacement     • ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Electric Parking Brake (EPB) Description and Operation


Description Description of EPB The EPB is an electronic parking brake. The EPB is different from existing parking systems which operated with the brake pedal or the lever type. The EPB system sends the signal to the ECU when a driver operates the EPB switch. The ECU operates the EPB actuator composed ...

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