Kia Cadenza YG: Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve(UD/B_VFS) Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve(UD/B_VFS) Repair procedures

Inspection
1.
Turn ignition switch OFF.
2.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Disconnect the solenoid valve connector (A).

4.
Measure the resistance between power terminal (5) and signal terminal (16).
Specification : 5.1 ± 0.3 Ω

Replacement
   
If a solenoid valve of VFS type needs to be replaced, the valve body assembly should be replaced and the oil pressure should be adjusted. If the solenoid valve is replaced individually, it is not possible to adjust the oil pressure without additional equipment, and if the oil pressure adjustment procedure is not performed, a shift shock or delay may occur.
1.
Replace the valve body assembly.
(Refer to Hydraulic System - "Valve Body")

    Circuit Diagram

    Specification Item SpecificationControl typeN/H (Normal High)Control pressure kpa (kgf/cm², psi)"500.14 ~ 9.81 (5.1 ~ 0.1, 72.54 ~ 1.42)"Current value (mA)50 ~ 850Coil resistance(Ω)5.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Start/Stop Button Repair procedures

    Removal 1. Disconnect the negative (-) battery terminal. 2. Using a screw driver or remover, remove the center fascia lower panel (A). 3. Remove the in-car hose (A) and disconnect the connectors (B) from the heater & A/C control unit. 4.

    Kia Cadenza YG 2016-2021 Service Manual: Intake Actuator Repair procedures

    Inspection 1. Ignition "OFF". 2. Disconnect the intake actuator connector. 3. Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grounding terminal 7. 4. Verify that the intake actuator operates to the fresh position when connecting in the reverse.

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