... Technical Training
Road Test —
Automatic
Transmission
TRANSMISSION CHECKS, ADJUSTMENTS AND DIAGNOSIS
Automatic Transmissions - Course 262 165
The fluid level in the automatic transmission should ... Posistion
Sensor Signal
Automatic Transmissions - Course 262 163
1. -Perform pressure test of the automatic transmission using
appropriate pressure gauge set.
2. Perform stall test o...
... FUNDAMENTALS OF AUTOMATIC TRANSMISSION
Automatic Transmissions - Course 262
FUNDAMENTALS OF AUTOMATIC TRANSMISSION
Automatic Transmissions - Course 262
The automatic transmission is ... drive automatics
are the same. They share the same planetary gear train design which
is used in all Toyota automatic transmissions and the majority of
automatics in production today.
Types of...
... Section 7
82 TOYOTA Technical Training
The pump used in Toyota automatic transmissions is the crescent type.
It is designed to:
• Provide fluid to lubricate the planetary ... reaction
shaft) as well as the front of planetary gear set.
Purpose of the
Oil Pump
TRANSMISION OIL PUMP
Automatic Transmissions - Course 262 83
The oil pump is driven by the torque converter. The center drive .....
... a
lock−up converter, replacement is required.
Converter
Diagnosis
Service
TORQUE CONVERTER
Automatic Transmissions - Course 262 15
There are two ways to test a torque converter. The first method ... clockwise and then
counterclockwise.
Torque Converter
Testing
Bench Testing
TORQUE CONVERTER
Automatic Transmissions - Course 262 7
The torque converter is mounted on the input side of the...
... direction.
SIMPSON PLANETARY GEAR UNIT
Automatic Transmissions - Course 262
SIMPSON PLANETARY GEAR UNIT
Automatic Transmissions - Course 262
Our introduction to Toyota automatic transmissions will begin with ... SIMPSON PLANETARY GEAR UNIT
Automatic Transmissions - Course 262
When the carrier turns clockwise, the external toothed pinion gears
walk ... Member Direction
Sun Gear...
... the driver. The automatic transmission cannot select these
positions automatically on its own. The next selector position is the
only position from which the transmission is fully automatic.
In ... vehicle speed and will downshift to
second gear; however, in Electronic Control Transmissions and on A40
and A340 series transmissions with a D−2 Downshift Timing Valve, the
transmission do...
... POWER FLOW
Automatic Transmissions - Course 262 73
The single greatest advantage that the underdrive system has ... Technical Training
One simple planetary gear set is added to the 3−speed automatic
transmission to make it a 4−speed automatic transmission (three
speeds forward and one overdrive). This additional ... front of the
Simpson planetaary gear
set or behind it.
Power Flow
Thr...
... would be 50,000 miles.
Section 6
84 TOYOTA Technical Training
AUTOMATIC TRANSMISSION FLUID
Automatic Transmissions - Course 262 81
The automatic transmission hydraulic system requires special fluid ... AUTOMATIC TRANSMISSION FLUID
Automatic Transmissions - Course 262 83
If the fluid is milky colored, coolant is mixed ... have been used in Toyota automatic transmissions.
Type...