Kia Optima Hybrid: VESS(Virtual Engine Sound System) / Virtual Engine Sound System Unit Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Body Electrical System / VESS(Virtual Engine Sound System) / Virtual Engine Sound System Unit Repair procedures

Removal

1.	Disconnect the negative(-) battery terminal.

2.	Remove the glove box housing. (Refer to the BD group - "Crash pad")

3.	Remove the VESS unit (A) with bracket after loosening the mounting nuts (2EA) and disconnecting the connector.

Installation

1.	Install the VESS unit and connect the connector.

2.	Install the glove box housing.

Virtual Engine Sound System Unit Schematic Diagrams

Circuit Diagram ...

Virtual Engine Sound Speaker Components and Components Location

Component Location ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: A/C Pressure Transducer Description and Operation

Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed. Engine ECU stop the operation of compressor when the temperature of refrigerant ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Coolant Repair procedures

Refilling And Bleeding Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator. When pouring engine coolant, be sure to shut the relay box lid and not to let coolant spill on the electrical ...