Kia Optima Hybrid: VESS(Virtual Engine Sound System) / Virtual Engine Sound System Unit Components and Components Location

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

Component Location

Description and Operation

Description The VESS (Virtual engine sound system) generates engine sound when you start the hybrid system. This sound is for pedestrians to hear vehicle sound because there is no engine sound in hybrid ...

Virtual Engine Sound System Unit Schematic Diagrams

Circuit Diagram ...

Other information:

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


Fuel Pressure Test 1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group).     When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of “Release Residual Pressure ...

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


Component Connector Pin Specification No.Pin NameTypeFromToDescription (Wiring Spec.)1GNDDC GroundTMUBatteryConnected to battery ground2GNDDC GroundTMUBatteryConnected to battery ground3-----4-----5-----6-----7-----8-----9-----10-----11-----12HS CAN (-)Data I/OBUSBUSHigh Speed CAN bus low13HS CAN (+)Data ...

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