• 46 Clutch control solenoid valve is a Variable Force Solenoid (VFS) type.
• When TCM supplies variable current to solenoid valve, hydraulic pressure of 46 clutch is controlled directly by solenoid valve.
1. 28 Brake control solenoid valve (28/B_VFS)
2. 46 Clutch control solenoid valve (46/C_VFS)
3. 37R Clutch control solenoid valve (37R/C_VFS)
4. UD Clutch control solenoid valve (UD/C_VFS)
5. OD Clutch & LR Brake control solenoid valve (OD/C & LR/B_VFS)
6. SS-A solenoid valve (SS-A_ON/OFF)
7. Torque converter control solenoid valve (T/CON_VFS)
8. Line pressure control solenoid valve (LINE_VFS)
Item | Specification |
Control type | N/L (Normally Low) |
Control pressure (kpa (kgf/cm, psi)) | 0 - 1,569.06 (0 - 16, 0 - 227.57) |
Current (mA) | 0 - 1,100 |
Coil resistance (Ω) | 5.3 ± 0.3 |
Solenoid Valve | Clutch | |
46/C_VFS | 46/C | |
P | ||
R | ||
N | ||
1 | ||
2 | ||
3 | ||
4 | ● | ● |
5 | ||
6 | ● | ● |
7 | ||
8 | ||
Remark | ● : Connected | |
◎ : Variable connected |
• Refer to the DTC manual for the check procedure.
• When the solenoid valve Diagnostic Trouble Codes (DTC) is on, perform the following procedure to replace it.
• Automatic transaxle is composed of delicate components. Be careful not to cause any damage on the component in the course of assembly and disassembly.
• Maintain clean condition so that foreign substance does not get into the automatic transaxle.
• Use a coated apron, latex gloves, and stainless tray to prevent foreign substance from getting into the transaxle.
• Automatic transaxle fluid (ATF) can be reused. Collect it using a clean 10-liter beaker.
• Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points")
1.Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.Remove the air cleaner assembly.(Refer to Engine Mechanical System - "Air cleaner")
3.Loosen the wiring bracket mounting bolt (A).
4.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")
5.Remove the drain plug (A) and reinstall the drain plug after draining ATF totally.
Drain plug tightening torque :33.3 - 43.1 N.m (3.4 - 4.4 kgf.m, 24.6 - 31.8 lb-ft)
• Replace the gasket before reinstalling the drain plug.
6.Loosen the mounting bolts of the valve body cover (A).
Tightening torque :11.8 - 13.7 N.m (1.2 - 1.4 kgf.m, 8.7 - 10.1 lb-ft)
• Be careful when removing the valve body cover because the remaining ATF remains in the valve body cover.
• Replace the gasket (A) before reinstalling the valve body cover.
• After the installation, start the engine and then check if there are any leakages from the valve body cover.
7.Loosen the bolts and then removing the main harness (A).
Tightening torque :9.8 - 11.8 N.m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb-ft)
8.Remove the support bracket (A).
Tightening torque :9.8 - 11.8 N.m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb-ft)
9.Loosen the bolt (A).
Tightening torque :9.8 - 11.8 N.m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb-ft)
10.Remove the roller (A) using the magnet.
11.Remove the 46 Clutch control solenoid valve (A).
• Note the value (A) carefully and check the value again before assembly.
• Inputting an invalid value may cause the abnormal shifting shock while TCM learning.
1.To install, reverse the removal procedure.
2.Inject the automatic transaxle oil and inspect the oil level.(Refer to Automatic Transaxle System - "Automatic Transaxle Fluid")
1)After ATF level check or exchange, be sure to remove residual ATF on transaxle case.(Be especially sure to remove residual ATF between automatic transaxle case and valve body cover)
2)After installing the valve body cover, make sure to check the oil leakage at the connection area with the engine ON.
3.Clear the diagnostic trouble codes (DTC) using the diagnostic tool.(Refer to Automatic Transaxle System - "Automatic Transaxle")
• Even though disconnecting the battery negative terminal, the DTCs will not be cleared. So, be sure to clear the DTCs using the diagnostic tool.
4.Reset the automatic transaxle adaptive values using the diagnostic tool.
5.Input the oil pressure characteristics using the diagnostic tool.
6.In order to prevent start delay and gear shift shock during acceleration and start, perform TCM learning after replacing the solenoid valve.(Refer to Automatic Transaxle Control System - "Repair Procedures")
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Hyundai Tucson (NX4) 2022-2025 Service Manual: Specifications
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