Kia Optima Hybrid: Automatic Transaxle Control System / Description and Operation

Description
Automatic transaxle system relies on various measurement data to determine the current control status and extrapolate the necessary compensation values. These values are used to control the actuators and achieve the desired control output.
If a problem with the drivetrain, including the transaxle, has been identified, perform self-diagnosis and basic transaxle inspection (oil and fluid inspection) and then check the control system''s components using the diagnosis tool.
Control System Composition

Automatic Transaxle Control System

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Repair procedures

Adjustment TCM Learning When shift shock is occurred or parts related with the transaxle are replaced, TCM learning should be performed. In the following case, TCM learning is required. • Transaxle assembly ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Manifold Absolute Pressure Sensor (MAPS) Repair procedures


Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the MAPS at idle and IG ON. Test ConditionOutput Voltage (V)IG ON3.9 ~ 4.1Idle0.8 ~ 1.6 Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the manifold ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Oil Pump Description and Operation


Description Machanical Oil Pump (MOP) The oil pump is built in the transaxle as a single unit with the 26 Brake (26/B) chamber. Rotation of the pump builds the hydraulic pressure needed for the lubrication of the various parts of the transaxle and operation of the clutch and brakes. The oil also circulates ...

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