4th Gear

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

The input shaft drives the output shaft.
The 4th gear on the input shaft drives 4th gear on the output shaft.
The 3rd/4th gear synchronizer is splined to the input shaft.
When the 3-4 synchronizer sleeve is shifted to the left, 4th gear is locked to the input shaft.
The output shaft drives the differential ring gear.
The power flows through the side and pinion gears to the halfshafts.
The vehicle will move forward.