Full Throttle Detent Downshift

At vehicle speeds of 64 - 88 km/h (40 - 55 mph) in Fourth gear, quickly increase the TP angle to its maximum position. Verify the following results:
- The TCC releases.
- The transmission downshifts to Second gear immediately.
- The 1-2 and 2-3 Shift Solenoid valves turn Off.