Torque Converter Clutch (TCC) Engagement

CAUTION: Do not depress torque converter clutch solenoid switch with transmission in gear and the vehicle at a stop. Damage to torque converter clutch may result.

NOTE: This test should be performed on the road. If performed on a hoist, torque converter clutch engagement feel may not be possible.

1. Accelerate and shift vehicle up into third gear. Hold speed steady and depress the torque converter clutch solenoid switch.
- Did the torque converter engage?
- Did the engine rpm drop?
- Did torque converter clutch solenoid activate?
- Did TCC solenoid deactivate when switch was reused?