4th Gen Prius, Prius Prime Transaxle - P610 Quick Look

The Evolution of the Prius Transaxle - A Quick Look at the components, service, and operation of the P610 1NM transaxle. This transaxle is used in the fourth-generation Toyota Prius sold in the U.S.A in the 2016-above model years as well as the 2017 and above Prius Prime (Prius Plug-In outside the U.S.A.) The new 2018 Camry Hybrid P710 transaxle is similar to this P610, but larger to handle almost 45% more torque from the new A25A-FXS direct-injected engine.

0:00 start
0:22 Usage
1:30 Power Split Device (PSD) gear set
2:20 PSD Internal gear
2:27 PSD planet carrier
3:09 Counter-Drive Gear installation
3:20 PSD planet carrier installation
4:12 PSD sun gear
5:04 Motor/Generator One (MG1)
5:18 Oil pump drive shaft
5:36 MG1 power ratings
6:16 Motor/Generator Two (MG2 ) drive gear
7:00 MG2
7:10 MG2 power ratings
8:08 Counter-Driven gear
8:32 Multiple torque paths
10:20 Final drive ring gear
10:38 The function of MG2
11:08 Prius Gear reduction
11:16 Prius Prime Gear reduction
11:57 New rotor maximum speeds
14:00 Power flow
14:15 EV Mode
15:40 MG1 helping MG2 propel the vehicle
16:34 Preventing the engine from rotating backward a
20:25 How 100 percent of engine torque can help propel the vehicle
21:40 MG1 rotational speed calculations
24:03 eCVT operation

Weber State University (WSU) - Department of Automotive Technology - Transmission Lab.

This video covers the Toyota Prius P610 1NM Hybrid Transaxle. For a detailed look at the operation of the P610 transaxle, see my other video: 4th Generation Prius Transaxle - P610 Deep Dive at https://youtu.be/-dHeRJdrnI8

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This video was created and edited by Professor John D. Kelly at WSU. For a full biography, see http://www.weber.edu/automotive/J_Kelly.html

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