Model Outline
for Technician
Engine
Chassis
Body
Body Electrical
U660E Automatic Transaxle
Features
• 2 planetary gear units are used
Gear
Portion
• Number of planetary gear unit, clutch and one-way clutch is reduced from
U151E
• The pump impeller and turbine runner portions have been made narrower
• Split piston for Clutch C2 that acts in the pull direction
• Compact and high-flow rate linear solenoid valve (SL1, SL2, SL3 and SL4)
controls the engagement elements by directly
Hydraulic
Portion
• 3 ATF pressure switches are located in the output fluid passages of SL1, SL2
and SLU
• A felt type oil strainer is used
• Overflow plug for ATF adjustment
• TCM is mounted on the transaxle
• Hall IC type speed sensor (NT & NC) is used
• Clutch to clutch pressure control is operated at 2 3 4 5 6 shift
change
Control
Other
• Powertrain cooperative control ensures excellent start-off performance, and
realizes the deceleration which responded to the drive’s intension
• Lock-up clutch control & flex lock-up clutch control operation range is
increased
• The curvature of the differential case opening is enlarged to moderate the
stress concentration
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