Kia Sorento: Description and Operation. Adjustment - Automatic Transaxle Control System - Automatic Transaxle SystemKia Sorento: Description and Operation. Adjustment

Kia Sorento (MQ4, 2021-2026) Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Description and Operation. Adjustment

Description and Operation

Description
Automatic transaxle control system relies on various measurements to determine the current control status and determine the necessary compensation values. These values are used to control the actuators and achieve the desired control output.
Operation

Automatic Transaxle System — Automatic Transaxle Control System / Description and Operation / Description illustration

Adjustment

Adjustment
TCM adaptive values learning
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TCM adaptive values learning : When shift shock occurs or parts related with the transaxle are replaced, TCM learning should be performed.
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In the following case, TCM learning is required.
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Automatic transaxle assembly replacement
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TCM upgrade or replacement
TCM adaptive values learning procedure : Repeat the above procedure least three times as shown in the pattern of illustration below.
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Static relearn (condition : ATF temperature 35 - 95°C [95 - 203°F])

Automatic Transaxle System — Automatic Transaxle Control System / Adjustment illustration

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Driving relearn

Automatic Transaxle System — Automatic Transaxle Control System / Adjustment illustration

Automatic Transaxle Control System
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