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DIAGNOSTICS
MULTI--MODE MANUAL TRANSMISSION SYSTEM
05--185
COROLLA Supplement (RM1129E)
*1: The stopper position is where the clutch actuator push rod is fully extended.
*2: The clutch clamp position is where the preload applied to the diaphragm spring is 0
N
⋅
m
. Removal/installa-
tion of the clutch actuator is possible at this point.
The clutch clamp position is where removal/installation of the clutch actuator is possible.
*3: The standby position is where the clutch actuator push rod is compressed and the clutch is not engaged.
(b)
REPLACEMENT OR REMOVAL/INSTALLATION OF MULTI--MODE MANUAL TRANSMISSION
SYSTEM PARTS
Refer to the respective pages.
(c)
INITIALIZATION AND LEARNING
1) INITIALIZATION OF TRANSMISSION SYSTEM:
S
The transmission control ECU stores information from each component, such as sensors or mo-
tors, to control the system.
S
Every sensor and motor is different, even for parts that are the same. The transmission control
ECU cannot control the system correctly because information from sensors or motors differs due
to a difference from removal/installation of parts. Therefore, the transmission control ECU learn-
ing values must be cleared.
S
Learning of the multi--mode manual transmission system is performed when there is no learning
value in the ECU. It is therefore necessary to perform initialization of the multi--mode manual
transmission ECU before performing learning of the multi--mode manual transmission system.
S
For details of replacement,
2) LEARNING OF MULTI--MODE MANUAL TRANSMISSION SYSTEM:
S
This operation is performed to store the positions of components such as sensors or motors in
the transmission control ECU.
S
For details of replacement,
NOTICE:
Be sure to perform this operation after initialization of the multi--mode manual transmission system.
(d)
SYNCHRONIZATION POSITION CALIBRATION
S
Every transmission component is different. The ECU memorizes individual differences and ad-
justs the shift points to perform constant shift/select/clutch control.
Synchronization position calibration corrects and learns the individual differences.
S
For details of replacement,
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E