Kia Optima Hybrid: Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve (UD/B_VFS) Description and Operation

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve (UD/B_VFS) Description and Operation

Description
Underdrive brake control solenoid valve(UD/B_VFS) is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure to the underdrive brake.

35R Clutch Control Solenoid Valve (35R/C_VFS) Repair procedures

Inspection 1. Turn ignition switch OFF. 2. Remove the air duct (A). Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft) 3. Remove the air cleaner assembly. (1) Disconnect the breather hose ...

Underdrive Brake Control Solenoid Valve (UD/B_VFS) Specifications

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

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: High Voltage Shut-off Procedures


High Voltage Shut-off Procedures     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.     • High voltage components: ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Multimedia Jack Repair procedures


Removal 1. Remove the shift lever knob. (Refer to the BD group - "Console") 2. Remove the console upper cover (A). 3. Disconnect the connector from the console upper cover. 4. Remove the multimedia jack (B) from the console under cover after releasing the fixed hooks (A). Installation 1. Install the ...

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