Join me as I explore the High-Voltage Battery used in the 2023 and later Toyota Prius Prime PHEV. Learn which parts are involved and how they work.
TIMELINE:
0:00 Introduction
1:16 Battery Reassembly
2:00 Heat Shields
2:56 Battery Heater
5:42 Battery Cooler Sheet
7:27 Three Cell Stacks
11:02 Surface Contact Area of Cooler Sheet to Cells
13:01 Cell Series Connections
14:07 Cell Voltage Monitoring Circuits
14:55 Cell Stack Temperature Sensors
15:43 Cell Stack Heat Shields
16:48 Wire Harness Connectors at Battery Front
19:10 Support Brackets
22:22 Cell Stack Series Connections
23:08 Manual Service Disconnect Lever (MSD)
23:30 Refrigerant Inlet Line, Magnet Valve, and Temperature Sensor
25:06 Outlet Refrigerant Outlet Line, Pressure Sensor, and Temperature Sensor
26:14 Toyota Special Service Tools are Unavailable for this Battery in the USA.
26:48 The Number 10 Bracket
28:18 The Mystery Bracket
29:56 Battery Junction Block with Contactors
30:19 Pre-Charge Contactor and Resistor are no longer Needed
32:42 The Battery ECU and the Cell Voltage Sensing Computer
33:11 Battery Heater Relay and the High-Voltage Positive Cable
33:47 Charging Connections and High-Voltage Negative Cable
34:50 Review of all Battery Parts and Operation Summary
39:20 Special Service Procedure to Discharge/Recharge Refrigerant
40:15 Battery Housing Vents
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Weber State University (WSU) Davis Campus - Automotive Technology Department - Hybrid and Electric Vehicles Lab.
We teach current vehicle technologies to our automotive students at Weber State University and online. For more information, visit: https://www.weber.edu/automotive
This video was created and edited by Professor John D. Kelly at WSU. For a full biography, see https://www.weber.edu/automotive/J_Kelly.html
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