Kia Sportage: Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve (UD/B_VFS) Repair procedures
| 1. |
Switch "OFF" ignition.
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| 2. |
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
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| 3. |
Disconnect the solenoid valve connector (A).
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| 4. |
Measure the resistance between power terminal (5) and signal terminal
(16).
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Specification : 5.3 ± 0.3 Ω
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| • |
Maintain clean condition so that foreign substance does not
get into the automatic transaxle.
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| • |
Use a coated apron, latex gloves, and stainless tray to prevent
foreign substance from getting into the transaxle.
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| 1. |
Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover").
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| 2. |
Remove the ATF drain plug (A), allow the fluid to drain out and then
reinstall the drain plug.
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Tightening torque:
33.3 - 43.1 N·m (3.4 - 4.4 kgf·m, 24.6 - 31.8 lb·ft)
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| •
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The existing ATF drain plug gasket must be replaced
with a new one. (Do not reuse it.)
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| •
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ATF can be reused. Collect it in a clean beaker.
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| 3. |
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
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| 4. |
Remove the wiring bracket (A) and the air breather hose (B).
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Tightening torque:
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)
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| 5. |
Lift the vehicle after loosening valve body cover upper bolts.
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| 6. |
Remove the valve body cover (A) by loosening bolts.
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Tightening torque:
11.8 - 13.7 N·m (1.2 - 1.4 kgf·m, 8.7 - 10.1 lb·ft)
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| 7. |
Remove the main harness module (A) after removing the bolts.
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Tightening torque:
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)
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| 8. |
Remove solenoid valve support bracket (A) after loosening the bolts.
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Tightening torque:
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)
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| 9. |
Remove the solenoid valve fixing pin (A) and loosen the valve body mounting
bolt (B).
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Tightening torque:
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)
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| 10. |
Remove the underdrive brake control solenoid valve (A).
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| 1. |
Install in the reverse order of removal.
| •
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Check the code (oil pressure characteristics value)
at the first before installing the solenoid valve.
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| •
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The existing valve body cover gasket (A) must be replaced
with a new one. (Do not reuse it.)
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| 2. |
Perform the procedures below after installing.
| (1) |
Refill the automatic transaxle with fluid.
(Refer to Hydraulic System - "Fluid")
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| (2) |
Clear the diagnostic trouble codes (DTC) using the KDS/GDS.
Disconnecting the battery negative terminal will not clear the
DTCs. Clear DTCs using the KDS/GDS at all times.
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| (3) |
Reset the automatic transaxle adaptive values using the KDS/GDS.
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| (4) |
Perform the oil pressure characteristics input procedure using
the KDS/GDS.
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| (5) |
Perform the TCM adaptive values learning procedure.
(Refer to Automatic Transaxle Control System - "Adjustment")
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| (6) |
After installing, check for leakage of coolant or fluid from
hose connection during engine start.
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Specification
Item
Specification
Control type
N/H (Normal High)
Control pressure (kpa (kgf/cm², psi))
...
Other information:
Removal
1.
Remove the Ignition from the vehicle.
2.
Disconnect the battery negative terminal and wait for at least thirty
seconds before beginning work.
3.
Remove the floor console.
(Refer to ...
Refrigerant System Service
Basics (R-134a)
Refrigerant Recovery
Use only U.L.-listed service equipment that is certified to meet the requirements
of SAE J2210 when removing HFC-134a (R-134a) from the air conditioning system.
...
Underdrive Brake Control Solenoid Valve (UD/B_VFS) Schematic diagrams
Overdrive Clutch Control Solenoid Valve (OD/C_VFS) Specifications