OUTLINE
LEXUS Hybrid Drive
LEXUS Hybrid Drive optimally performs cooperative control of the 2AR-FSE engine, Motor Generator 1 (MG1) and Motor Generator 2 (MG2) in the L210 hybrid vehicle transmission assembly that provides excellent transmission performance. Furthermore, this system uses a high-output HV battery with a nominal voltage of DC 288 V, and a variable voltage system in which a boost converter increases the operating voltage of the system to a maximum voltage of DC 650 V.
| *1 | Inverter with Converter Assembly | *2 | 2AR-FSE Engine |
| *3 | L210 Hybrid Vehicle Transmission Assembly | *4 | HV Battery Assembly |
| Maximum System Output* | kw | 161 |
Tech Tips
*: Maximum system output is engine output and MG2 output controlled by LEXUS Hybrid Drive. MG2 output depends on power supplied by the HV battery.
The 2AR-FSE engine is an in-line 4-cylinder, 2.5 liter, 16 valve DOHC engine.
This engine uses a high-expansion ratio Atkinson cycle, Dual Variable Valve Timing-intelligent (Dual VVT-i) system, Direct Ignition System (DIS), Electronic Throttle Control System-intelligent (ETCS-i) and Exhaust Gas Recirculation (EGR) system* employing a highly efficient EGR cooler. Thus, improved engine performance, quietness, fuel economy, and cleaner emissions have been achieved.
*: Models with EGR system
| *A | Models with EGR System | *B | Models without EGR System |
| Item | Specification | |
| No. of Cyls. & Arrangement | 4-cylinder, In-line | |
| Valve Mechanism | 16-valve DOHC, Chain Drive (with Dual VVT-i) | |
| Fuel System | SFI | |
| Displacement | cm3(cu. in.) |
2493 (152.1) |
| Maximum Output | kW@rpm | 133@6000 |
| Maximum Torque | N*m@rpm | 221@4200-5400 |
L210 Hybrid Vehicle Transmission Assembly
The L210 hybrid vehicle transmission assembly contains Motor Generator 1 (MG1) and Motor Generator 2 (MG2).
| *1 | Motor Generator No. 1 (MG1) | *2 | Motor Generator No. 2 (MG2) |
| Item | Specification | ||
|---|---|---|---|
| Motor Generator No. 1 (MG1) | Motor Generator No. 2 (MG2) | ||
| Type | Permanent Magnet Motor | Permanent Magnet Motor | |
| Function | Generate Electricity, Engine Starter | Generate Electricity, Drive Wheels | |
| Cooling System | Water-cooled | Water-cooled | |
| Maximum Output | kW | - | 105 |
| Maximum Torque | N*m | - | 300 |
Suspension
A Double-wishbone type independent suspension is used for the front.
A Multi link type independent suspension is used for the rear.
Steering
The Electric Power Steering (EPS) system uses a DC motor and a reduction mechanism that are built-into the steering gear housing to generate assist torque, in order to assist the driver's steering effort.
| *1 | Power Steering Link Assembly | *2 | Steering Column Assembly |
Brake
Models for Europe
| Item | Specification | ||
| Front Brake | Type | Ventilated Disc | |
| Rotor Size (D x T)*1 | mm (in.) | 296.0 x 28.0 (11.7 x 1.10) | |
| Rear Brake | Type | Solid Disc*2 Ventilated Disc*3 |
|
| Rotor Size (D x T)*1 | mm (in.) | 290.0 x 10.0 (11.4 x 0.39)*2 290.0 x 18.0 (11.4 x 0.71)*3 |
|
| Brake Control System | ABS with EBD, Brake Assist, TRC, VSC+, and Hill-start Assist Control | ||
*1: Diameter x Thickness
*2: Destination package option (limited to certain regions)
*3: Except for destination package option (limited to certain regions)
Models for Australia and General Countries
| Item | Specification | ||
| Front Brake | Type | Ventilated Disc | |
| Rotor Size (D x T)*1 | mm (in.) | 296.0 x 28.0 (11.7 x 1.10) | |
| Rear Brake | Type | Solid Disc | |
| Rotor Size (D x T)*1 | mm (in.) | 290.0 x 10.0 (11.4 x 0.39) | |
| Brake Control System | ABS with EBD, Brake Assist, TRC, and VSC*2 ABS with EBD, Brake Assist, TRC, VSC, Cooperative Control with EPS*3, and Hill-start Assist Control |
||
*1: Diameter x Thickness
*2: Models for Australia
*3: Models for general countries