Manual Downshifts

1. At vehicle speeds of 64-88 km/h (40-55 mph), release the accelerator pedal while moving the gear selector to Third (D3) gear. Observe the following results:
- The TCC releases.
- The transmission downshifts to 3rd gear immediately.
- The engine slows the vehicle down.
- The 1-2 Shift Solenoid valve must turn OFF.
- The 2-3 Shift Solenoid valve must stay OFF.
2. Move the gear selector to Overdrive and accelerate to 64-72 km/h (40-45 mph). Release the accelerator while moving the gear selector to Second (D2) gear and observe the following results:
- The TCC releases.
- The transmission immediately downshifts to 2nd gear.
- The engine slows the vehicle down.
- The 1-2 Shift Solenoid valve should be OFF.
- The 2-3 Shift Solenoid valve must turn ON.
3. Move the gear selector to Overdrive (D4) and accelerate to 40 km/h (25 mph). Release the accelerator pedal while moving the gear selector to First (D1) gear and observe the following results:
- The TCC releases.
- The transmission immediately downshifts to 1st gear.
- Both the 1-2 Shift Solenoid valve and the 2-3 Shift Solenoid valve should be ON.
- The engine slows the vehicle down.