Torque Converter Clutch Does Not Disengage

Torque converter clutch does not disengage

Shift solenoid valve D defective

A/T clutch pressure control solenoid valve C defective

Torque converter clutch piston defective

Lock-up shift valve defective

Lock-up control valve defective

Lock-up timing valve defective

Notes

Check for a stored DTC, and check for loose connections.

Notes

Inspect the shift solenoid valve function with the HDS Shift Solenoid Valve Test, Replacement, And Shift Solenoid Wire Harness Replacement.

Notes

Check for a seized shift solenoid valve, and inspect the O-rings.

Notes

Inspect the A/T clutch pressure control solenoid valve C with the HDS A/T Clutch Pressure Control Solenoid Valve C Test.

Notes

Inspect the A/T clutch pressure control solenoid valve body gasket, ATF feed pipes, and the O-rings for wear and damage.

Notes

Replace the torque converter.

Notes

Check the lock-up shift valve and lock-up timing valve in the main valve body for free movement, and check the valve springs for wear and damage.

Notes

Check the lock-up control valve in the regulator valve body for free movement, and check the valve spring for wear and damage.