Kia Optima Hybrid: Heater / Heater Unit Components and Components Location

Component Location


1. Heater Case (LH)
2. Separator
3. Evaporator Core
4. Shower Duct
5. Heater Core Cover
6. Heater Core
7. Mode Actuator
8. Mode Cam
9. Temp Actuator
10. Vent Door Arm
11. Floor Door Arm

1. Heater Case (RH)
2. Temp Actuator (PA)
3. Temp Door Lever
4. Evaporator Temp Sensor
5. Hearer Lower Caver
6. Drain Hose
7. Separator
8. Insulator
9. Temp Control Door
10. Floor Door
11. Vent Door
12. Def Door



Heater Unit Repair procedures

Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/ recycling/ charging station.     1) Do not use the same A/C recovery / charging station ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: ETC (Electronic Throttle Control) System Troubleshooting

Fail-Safe Mode ItemFail-SafeETC MotorThrottle valve stuck at 5°TPSTPS 1 faultReplace it with TPS 2TPS 2 faultReplace it with TPS 1TPS 1,2 faultThrottle valve stuck at 5°APSAPS 1 faultReplace it with APS 2APS 2 faultReplace it with APS 1APS 1,2 faultThrottle valve stuck at 5°     When throttle ...

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

Description Regeneration Brake System During deceleration or braking of an electric vehicle or HEV, the drive motor acts as an alternator and charges the battery by converting the vehicle’s kinetic energy generated during braking into electrical energy. Regenerative braking amount depends on the vehicle ...

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