Operation CHARM: Car repair manuals for everyone.

Manual Downshifts

The shift solenoids do not control the initial downshift during the 4-3 and the 3-2 manual downshifts. All manual downshifts are hydraulic except the 2-1. The solenoid states will change during, or shortly after you select a manual downshift.

1. At vehicle speeds of 64 to 88 km/h (40 to 55 mph) in 4th gear, release the accelerator pedal while moving the gear selector to D3. Observe the following conditions:
- The TCC releases.
- The transmission downshifts to 3rd gear immediately.
- The engine slows the vehicle down.
2. Move the gear selector back to D4 and accelerate to 64 to 72 km/h (40 to 45 mph). Release the accelerator while moving the gear selector to D2 and observe the following conditions:
- The TCC releases.
- The transmission downshifts to the 2nd gear immediately.
- The engine slows the vehicle down.
3. Move the gear selector back to D4 and accelerate to 48 km/h (30 mph). Release the accelerator pedal while moving the gear selector to D1 and observe the following conditions:
- The TCC releases.
- The transmission downshifts to 1st gear immediately.
- The engine slows the vehicle down.