2-4 Brake Control Solenoid Valve (PCSV-B)
Specifications
Specification
| Item | Specification |
| Type | Normally open |
| Input voltage | 12 V |
| Coil Resistance | 3.5 ± 0.2 Ω (at 25 °C, 77°F) |
| Frequency | 50 Hz |
Components and Component Location
Component Location

| 1. Overdrive Clutch Control Solenoid Valve (PCSV-A) 2. On/Off Solenoid Valve (SCSV-A) 3. Torque Converter Control Solenoid Valve (PCSV-D) |
4. Underdrive Clutch Control Solenoid Valve (PCSV-C) 5. 2-4 Brake Control Solenoid Valve (PCSV-B) 6. Solenoid Valve Support Bracket |
Description and Operation
Description
The 2-4 brake control solenoid valve is a PWM (Pulse Width Modulation) type.
When the TCM supplies current to the solenoid valve, the hydraulic pressure of the 2-4 brake is controlled by the solenoid valve.

Solenoid Valve Operation Table
| Range | PCSV-B |
| N, P | ● |
| 1 | ● |
| 2 | |
| 3 | ● |
| 4 | |
| R |
Circuit Diagrams
Wiring Diagram

Repair Procedures
Inspection
Turn the ignition off.
Remove the air cleaner.
(Refer to Engine Mechanical System - "Air Cleaner")
Disconnect the main connector (A).

Measure the resistance between the ground terminal (7) and the signal terminal (2).
Specification: 3.5 ± 0.2 Ω
Removal
Remove the valve body assembly
(Refer to Hydraulic System - "Valve Body")
Disconnect the main harness (A).

Remove the solenoid valve support bracket (A) after loosening the bolts.
Tightening Torque: 9.8–11.8 N·m

Remove the 2-4 brake control solenoid valve (A).

Installation
Install in the reverse order of removal.
Test yourself
A quick Kia Rio YB quiz: every answer comes with an explanation and a link to the manual page.