Kia Optima Hybrid: ESC(Electronic Stability Control) System / ESC OFF Switch Repair procedures

Inspection
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the crash pad side switch assembly.

3.
Check the continuity between the switch terminals as the ESC OFF switch is engaged.

ESC OFF Switch Description and Operation

Description 1. The ESC OFF switch is for the user to turn off the ESC system. 2. The ESC OFF lamp is on when ESC OFF switch is engaged. ...

Steering Angle Sensor Description and Operation

Description The Steering Angle Sensor (SAS) is installed in MDPS (Motor Driven Power Steering) and it sends messages to HECU through CAN communication line. The SAS is used to determine turning direction ...

Other information:

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


Replacement Trunk Lid Assembly Replacement     • When removing and installing the trunk lid, an assistant is necessary. • Wear gloves to protect hands from injury. 1. Loosen the trunk inside handle (A) mounting screws. 2. Detach the clips, then remove the trunk lid trim (A). 3. Disconnect ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: NVLD(Natural Vacuum Leakage Detection) Description and Operation


Description NVLD(Natural Vacuum Leakage Detection) is located between the canister and the fuel tank air filter. NVLD is to detect leaks equivalent to a 0.5 mm hole in the fuel tank, canister and hoses. When the engine has been running, the temperature of the fuel in the fuel tank is raised slightly. ...

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