Kia Optima Hybrid: Automatic Transaxle Control System / Engine Clutch Control Solenoid Valve (E/C_VFS) Description and Operation

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Engine Clutch Control Solenoid Valve (E/C_VFS) Description and Operation

Description

Engine clutch control solenoid valve (E/C_VFS) is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure to the engine clutch.

Output Speed Sensor Repair procedures

Inspection 1. Check signal waveform of Input & output speed sensor using the GDS. Specification: Refer to "Signal Wave Form" section. Removal • Be sure to read and follow the “General ...

Engine Clutch Control Solenoid Valve (E/C_VFS) Specifications

Specifications Direct control VFS [E/C] Control type : Normal low type Control Pressure kpa(kgf/cm?, psi)9.81 ~ 500.14(0.1 ~ 5.1, 1.42 ~ 72.54)Current value (mA)50~850 Internal resistance (?)5.1 ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Accelerator Position Sensor (APS) Repair procedures

Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Turn the ignition switch ON. 3. Measure the output voltage of the APS 1 and 2 at C.T and W.O.T. AcceleratorPositionOutput Voltage (V)APS1APS2C.T0.7 ~ 0.80.29 ~ 0.46W.O.T3.85 ~ 4.351.93 ~ 2.18 ...

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

Troubleshooting Fault Diagnosis Features a fail-safe mechanism that prevents dangerous situations from developing in the event of a transaxle failure. The limp home mode engages if the transaxle malfunctions. In this mode, the transaxle operates at a minimal functionality level, making it possible for ...