Kia Optima Hybrid: Automatic Transaxle Control System / 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 Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.
Be sure to shut off the high voltage circuit according to the “High Voltage Shut-off Procedures” before doing any work related with the high voltage system to avoid serious electrical injuries.
1.
Remove the valve body assembly.
(Refer to Hydraulic System - "Valve Body")
2.
Disconnect the input & output speed sensor connector (A).
3.
Remove the input & output speed sensor (B) after removing the bolts.

Tightening torque:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Installation
1.
Install in the reverse order of removal.
   
Do not reuse the drain plug gasket and the valve body cover gasket, oil cooler tube washer.
Perform the procedures below after installing
1)
Refill the automatic transaxle with fluid.
(Refer to Hydraulic System - "Fluid")
2)
Refill the engine & transaxle cooling system with coolant.
(Refer to Engine Mechanical System - "Coolant")
3)
Refill the hybrid motor cooling system with coolant and then perform the air bleeding using the GDS.
(Refer to Hybrid Motor System - "Coolant")
4)
Reset the automatic transaxle adaptive values using the GDS.
5)
Confirm the coolant leak or fluid leak from the hose connections part in state of engine start.
Output Speed Sensor Troubleshooting

Signal Waveform ...

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. ...

Other information:

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


Replacement     • Put on gloves to protect your hands. • Use a plastic panel removal tool to remove interior trim pieces to protect from marring the surface. • Take care not to bend or scratch the cover and other parts. 1. After loosening the mounting bolts and clips, then remove the ...

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


Description Accelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal. The APS is one of the most important sensors in engine control system, so it consists of the two sensors which adapt individual sensor power and ground line. ...

© 2022 Copyright www.koptimatfhev.com