Kia Optima Hybrid: Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve (UD/B_VFS) Repair procedures
| Inspection |
| 1. |
Turn ignition switch OFF. |
| 2. |
Remove the air duct (A).
|
| 3. |
Remove the air cleaner assembly.
|
| 4. |
Remove the solenoid valve connector (A).
|
| 5. |
Measure resistance between signal terminal and ground terminal. |
| 6. |
Check that the resistance is within the specification. |
| Removal |
Replacing an on/off solenoid valve (SS-A, SS-B) does not
require additional hydraulic pressure adjustment; however, the hydraulic
pressure will need to be adjusted after replacing the VFS solenoid
valve. If replacing the VFS solenoid valve; also replace the valve body
assembly.
(Refer to Hydraulic System - "Valve Body") |
Underdrive Brake Control Solenoid Valve (UD/B_VFS) Schematic Diagrams
Circuit Diagram ...
Overdrive Clutch Control Solenoid Valve (OD/C_VFS) Description and Operation
Description Overdrive clutch control solenoid valve(OD/C_VFS) is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure to the overdrive clutch. ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Virtual Engine Sound System Unit Repair procedures
Removal 1. Disconnect the negative(-) battery terminal. 2. Remove the glove box housing. (Refer to the BD group - "Crash pad") 3. Remove the VESS unit (A) with bracket after loosening the mounting nuts (2EA) and disconnecting the connector. Installation 1. Install the VESS unit and connect the connector. ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: 26 Brake Control Solenoid Valve(26/B_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 (A). (2) Disconnect the air intake hose (B) and then remove the air cleaner assembly (C). Tightening ...