Daihatsu 1997 Terios J100 Service Manual page 410

(6) Ò range <1st gear>
The rotating force is transmitted in the same way as the 1st gear of the Î range, as previously explained.
However, the 1st & reverse brake (B2) operates to prevent the planetary carrier from rotating clockwise at
the time of engine braking.
In other words, at the time of driving with the Î range, the counterclockwise rotation of the planetary carrier
is locked by the function of the one-way clutch (F). Thus, the rotating force is transmitted to the planetary
output shaft.
However, at the time of engine braking, a reverse force is applied. As a result, the one-way clutch (F) will
not operate and the planetary carrier rotates idly. Therefore, in order to make the function of engine brake
possible, the planetary carrier is secured by operating the 1st & reverse brake (B2).
(7) Â range <Reverse gear>
When the transmission is in the reverse gear, the direct clutch (C1) is activated, as shown in the figure
below. Therefore, the rotating force of the input shaft is directly transmitted to the front planetary sun gear.
Conversely, the planetary carrier is locked by the function of the 1st & reverse brake (B2). Therefore, the ro-
tating force transmitted to the front planetary sun gear makes the planetary long pinion rotate counterclock-
wise on its axis. Consequently, the counterclockwise rotating force is transmitted to the planetary output
shaft.
Planetary long pinion
Front planetary sun gear
Input shaft
Planetary short pinion
Planetary long pinion
C2
Input shaft
C1
F
B2
Planetary carrier
Planetary output shaft
B2
Output shaft
Planetary carrier
Planetary output shaft
AT–9
Output shaft
JAT00015-00010
JAT00016-00011