Kia Sportage: Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve (UD/B_VFS) Description and operation

Kia Sportage QL (2015-2024) 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 is a Variable Force Solenoid (VFS) type.

•	When TCM supplies variable current to solenoid valve, hydraulic pressure of underdrive brake is controlled by solenoid valve.

Underdrive brake control solenoid valve operation table

	UD/B_VFS
	N/H
N, P	●
1
2
3
4
5	●
6	●
R	●

● : Connected status

Underdrive Brake Control Solenoid Valve (UD/B_VFS) Components and components location

Component Location 1. 26 Brake Control Solenoid Valve (26/B) 2. 35R Clutch Control Solenoid Valve (35R/C) 3. Underdrive Brake Control Solenoid Valve (UD/B) ...

Underdrive Brake Control Solenoid Valve (UD/B_VFS) Schematic diagrams

Circuit Diagram ...

Other information:

Kia Sportage QL (2015-2024) Service Manual: Mechanism Rail Components and components location

Component Location 1. Mechanism rail ...

Kia Sportage QL (2015-2024) Service Manual: Injector Troubleshooting

Signal Waveform The three waveforms below are taken from the #1 and #4 injectors. The top waveform is from the high side (feed side) of the #1 and #4 injectors, while the middle waveform is from the low side (ground side) of the #1 injector and the bottom waveform is from th ...