威驰底盘新技术培训

Component
Function
C1
Reverse Clutch
Connects input shaft and front planetary sun gear
C2
Forward Clutch
Connects input shaft and rear planetary sun gear
C3
Rear Clutch
Fluid Type
5A-FE 4.032
U540E 2.730 1.526 1.000 0.696 2.290
8A-FE 4.350
4.7 (4.97, 4.14)
ATF Type T-IV
Chassis
-C
U540E Automatic Transaxle • Torque Converter – A hydraulically operated lock-up mechanism type torque converter is used
Locks rear planetary carrier from turning counterclockwise
Chassis
-C
U540E Automatic Transaxle
• Planetary Gear Unit
– Operation condition
: Signal ON, X: Signal OFF, : Operation
Chassis
-C
U540E Automatic Transaxle • Valve Body – The valve body consist following parts
Shift Solenoid Valve SR
Valve Body Assembly
Shift Solenoid Valve SL2
Oil Viscosity
Oil Grade
-C
C550 3.545 1.913 1.310 0.973 0.804 3.214 3.944 1.4 (1.48, 1.23) SAE 75W-90 API GL-3
Chassis
-T -M
C15# Series Manual Transaxle • Overall – C15# series manual transaxle are used, basic construction and operation are same as Yaris/Echo



X

X/*2
X
X
/X*3

Hale Waihona Puke Baidu

X
X

X

X
X



X

X/*1 X/*1


X X/*2 X/*1 X/*1 X

X/*2 X/*1 X/*1 X

X

X
X



X

X/*1 X/*1


X

X
X



*1: After engaging, lock-up control is ON *2: After engaging, line pressure control is ON *3: After engaging, line pressure control is OFF
Shift Solenoid Valve SL1 SL2
SL3
DSL SL SR
Function
Control the B1 brake hydraulic pressure Control the C2 brake hydraulic pressure Control the line pressure that controls the hydraulic pressure for the C3 clutch and that for the B2 brake Control the lock-up clutch hydraulic pressure Switch the lock-up relay valve Switch the solenoid relay valve
Connects input shaft and intermediate shaft
B1
2nd and 4th Brake Locks front planetary sun gear
B2
1st and Reverse Brake Locks planetary carrier
F
One-way Clutch
Chassis
C550 Manual Transaxle • Specification
Transaxle Type
1st
2nd
Gear Ratio
3rd
(Counter Gear
Ratio Included)
4th
5th
Reverse
Differential Gear Ratio
Oil Capacity [Litter (US qts, lmp. qts)]
Brake Fluid Reservoir
Tank
Clutch Master Cylinder
Chassis
-C
C550 Manual Transaxle • Overall – C550 manual transaxle is used, basic construction and operation are same as Yaris/Echo
Chassis
-C -R -T -M
U540E Automatic Transaxle • Oil Pump – Trochoid gear type oil pump is used. As a result oil pump has made more compact and the driving torque has been reduced
Oil Capacity [Litter (US qts, lmp. qts)]
Oil Viscosity
Oil Grade
1NZ-FE C150 3.545 1.904 1.310 0.969 0.815 3.250 3.526
1.9 (2.0, 1.7) SAE 75W-90 API GL-4 or GL-5
Short Long
B2 F Pinion Pinion B1
Gear Gear
C1
C2
Input Shaft
Input
Rear Sun Gear Front Ring Gear
Front Sun Gear
C3
Intermediate Shaft
Chassis
-C
U540E Automatic Transaxle • Planetary Gear Unit – Function of components
-T -M
2NZ-FE C154 1.031 0.864
Chassis
-C
U540E Automatic Transaxle • Overall – U540E 4-speed automatic transaxle [ECT] has been newly used
Chassis
-C
U540E Automatic Transaxle • Specification
Engine Type
Transmission Type
1st
2nd
Gear Ratio
3rd
4th
Reverse
Differential Gear Ratio
Fluid Capacity (include differential) [Litter (US qts, lmp. qts)]
Shift Solenoid
Valve SL
Shift Solenoid Valve DSL
Shift Solenoid Valve SL3
Shift Solenoid Valve SL1
Chassis
-C
U540E Automatic Transaxle • Valve Body – Function of shift solenoid Valve
Facing Size*2 Facing Area
[mm (in.)] [cm2 (in2.)]
Master Type Cylinder Cylinder Diameter [mm (in.)]
Release Type Cylinder Cylinder Diameter [mm (in.)]
DST*1 200 (7.87) 200 x 140 x 3.5 (7.87 x 5.51 x 0.14) 160 (24.8) Conventional 15.87 (0.62) Non-adjustable 20.64 (0.81)
Engine Type
Oil Passage Diameter
Torque Converter
Type
Stall Torque Ratio
5A-FE
8A-FE
215 mm (8.46 in.)
3-element, 1-step, 2-phase (with Lock-up Mechanism)
1.96
行星齿轮机构结构原理图
Chassis
-C
U540E Automatic Transaxle • Planetary Gear Unit Construction – 1st gear (D or 2 position)
: Clutch : Brake : One-way
Clutch
Output
-T -M
*1: DST (Diaphragm Spring Turnover) *2: Outer Diameter x Inner Diameter x Thickness
Chassis
-C
-T -M
Clutch • Reservoir Tank – Clutch fluid reservoir tank and brake fluid reservoir tank are integrated for all models
Stator Shaft Assembly
Driven Gear Drive Gear
Pump Body
Chassis
-C
U540E Automatic Transaxle • Planetary Gear Unit – U540E effects the shifting of all speeds using 1 set of ravigneaux type planetary gear unit
Chassis
C15# Series Manual Transaxle • Specification
Engine Type
Transaxle Type
1st
2nd
Gear Ratio
3rd
(Counter Gear
Ratio Included)
4th
5th
Reverse
Differential Gear Ratio
Shift Lever Position
P R N
D
2 L
Gear
Park Reverse Neutral
1st 2nd 3rd 4th 1st 2nd 1st
SL1
X X X X X X X
Shift Solenoid Valve
SL2 SL3
DSL
SL
SR
C1 C2 C3 B1 B2 F
: Clutch : Brake : One-way
Clutch
Output
Short Long
B2 F Pinion Pinion B1
Gear Gear
C1
C2
Input Shaft
Input
Rear Sun Gear Front Ring Gear
Front Sun Gear
C3
Intermediate Shaft
Chassis
Clutch Manual Transaxle
• C550 Manual Transaxle • C15# Series Manual Transaxle Automatic Transaxle • U540E Automatic Transaxle • U340E Automatic Transaxle Drive Shaft Suspension Brake Steering Tire and Wheel
Chassis
-C
Clutch • Clutch Overall – Dry single-plate clutch operated by hydraulic pressure is used
[Specification]
Clutch Type Cover Size
[mm (in.)]
Clutch Disc