AUTOMATIC TRANSAXLE [AW6A-EL, AW6AX-EL]
05-17–26
End Of Sie
TRANSAXLE RANGE (TR) SWITCH OPERATION [AW6A-EL, AW6AX-EL]
id051723100900
• A non-contact type TR switch has been adopted in the TCM. The TR switch detects shift position by using the
Hall Effect, which outputs specified voltage according to the shift position (P, R, N, D). The magnet position in
the TR switch changes when moving the selector lever, enabling the Hall IC to convert magnetic field strength
into an electrical signal according to the shift position. Compared to the contact type switch, the non-contact
type switch does not have contact points and is very compact. This makes it possible to integrate it with the
TCM, improving reliability and durability.
— The Hall Effect:
• If magnetic flux is applied perpendicularly to electric current flowing into a conductor or semiconductor,
a potential difference, called Hall voltage, is generated perpendicularly in both the electric current and
magnetic flux. This phenomenon is called the “Hall Effect”.
— Hall IC:
• A Hall IC is an electronic part that uses impetus caused by potential difference when a magnetic field is
generated.
CORE
CORE
MAGNET
P POSITION
HALL IC
SHAFT
N
N
S
S
CORE
CORE
MAGNET
N POSITION
HALL IC
SHAFT
NN
S
S
CORE
CORE
MAGNET
D RANGE
HALL IC
SHAFT
N
N
S
S
CORE
CORE
MAGNET
R POSITION
HALL IC
SHAFT
N
N
S
S
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3423-1U-06H(05-17).fm 26 ページ ２００６年１１月２２日 水曜日 午後５時３５分
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